Fridge / Kamen Rider Zi-O

Fridge pages are Spoilers Off by default, so all spoilers were removed. Proceed with caution. You Have Been Warned

Fridge Brilliance

• Interestingly enough, if you listen closely to the transformation sound of Zi-O, it uses a high pitched tone for the phrase "Kamen Rider", but then takes a deeper turn when it says "Zi-O". Maybe because Zi-O in the future is the Demon King of Time?
  • More importantly is the part where it says "Kamen Rider". With Geiz it's auto-tuned, which goes along with his digital motif, while Zi-O's is mostly unaltered. The part where it announces "Zi-O" or "Geiz" carries the same dropped tone, as if being a "stopping point" for the 'Kamen Rider'.
• One small thing to note; look at the design of Zi-O's face katakana and their placement. Note how the イ character's tip points out beyond the "visor" area, so it joins the minute and hour hand in the top. It's supposed to represent the second hand!
• While the choice of Kento Shimoyama as head writer may seem odd considering how much maligned the other series he wrote, Shuriken Sentai Ninninger, was, but after Ninninger he also wrote a Web Video series for Kamen Rider Ex-Aid which also was the only thing he wrote for the Kamen Rider franchise until Zi-O. The Web Video series in question? Kamen Sentai Gorider, another crossover special between past and present Kamen Riders. Considering the positive reception Kamen Sentai Gorider got especially towards the characterization and use of the past riders, it makes sense why Toei chose him as head writer for this crossover series. And before he started to wrote Zi-O and Ninninger, he wrote some episodes of Kaizoku Sentai Gokaiger, an anniversary season and a fan favorite among the fandom.
• Sougo's henshin pose, where he moves his arms in a counterclockwise fashion, could be seen as him turning the clock back in order to use his and the past Rider's powers.
  • The same could be said of the Zikū-Driver when spun.
  • If you think about it, the three main users of Zikū-Driver each has an unique way to spin the driver that reflects their personality:
    • Sougo just gives it a hand (literally), like whenever they help other riders in his hunt for Ridewatches he is just giving them a hand.
    • Geiz forces it with both hands because he wants to force the future to change, like how he tried to kill Sougo to prevent the bad future.
    • Tsukuyomi pushes them with both hands like Geiz, but more gently, because she too wants to change the future by taking a more passive approach.
    • The gesture of the two Woz are also different when pushing the Crank-in Handle: White Woz brings his hand upwards and aims to both force his future to happen and to surpass his Savior, while Black Woz brings his hand forward and slowly twists his palm upwards as he would usually do when making an announcement for his King.
• Tsukuyomi taking the Time Mazine into the age of the dinosaurs to hide from Geiz, and other time travelers in general, actually makes perfect sense - it's an age Older Than Dirt where no humans existed to record history. Everything we've learned about the dinosaurs from paleontology will at best give a rough estimate as to what century they existed in. Even if Sougo left footprints that were unearthed by paleontologists, it would still take Geiz ages to search through the massive window he could be in. As for how Tsukuyomi could make the return trip... well, the present day and her own time are likely recorded in the Time Mazine, like bookmarks on Mozilla Firefox or something.
• Each of the Another Riders has powers and even identities that invert the Rider they're based on.
  • Sento Kiryu is a brilliant scientist, gaining his power from purified Smash essences that turn Smash back into humans. Another Build is an athlete that gains his power from human essences that he gains by turning them into Smash Fullbottles.
  • Emu Hojo is a gaming doctor who was saved from death as a child and now helps people beat games that have infected them with the Bugster Virus. Another Ex-Aid is the parent of a dying patient who infects people with the Bugster Virus by dragging them into an unbeatable game.
  • Gentaro Kisaragi believes wholeheartedly in the Power of Friendship and willingly gave up his powers to inspire another to become a hero. Another Fourze, on the other hand, is a loner who strongly desires power and freaks out when his original power as Another Faiz is fading away.
  • Takumi Inui became a monster after dying and attempted to use his powers to save students from the massacre at Ryusei he ultimately failed to stop. Another Faiz became a monster after his friend died and used his powers to kill countless girls for the sake of his friend. In fact he's actually closer to Masato Kusaka since he made a Deal with the Devil to bring Mari Back from the Dead, which was his own fault.
  • Haruto Souma refused to give into despair and become a monster, instead choosing to fight and become a shining light of hope for others who find themselves in despair. Another Wizard, on the other hand, used his powers not to help others but rather to fulfill his own hopes and dreams. Ultimately, he soon went over the Despair Event Horizon when his hope was crushed and became a monster. Also, notably, his magic powers are activated by simply announcing the spell's name, without saying "Please", as if he's a ruder and more selfish version of Haruto.
  • Eiji Hino was a humble man who didn't desire much of anything and while having the powers of a greedy evil king, he used that power to do good everywhere he wandered around the world. Another OOO is Kuroto Dan, quite possibly the man with a personality most opposite Eiji's, and the evil one who the powers of Ex-Aid came from in the first place.
    • Additionally, Eiji was a man with absolutely no desire, but gaining the power of Kamen Rider OOO, led to him (re-)discovering his desire to help people no matter where they are. Kuroto, on the other hand, lost sight of all his original goals once he became Another OOO and became an aimless tyrant who only rules for the sake of it.
  • Kouta Kazuraba started out humbly as a member of Team Gaim, only to grow out of it and eventually become a god that saved earth from Helheim by removing it to another planet. Asura was a member of Team Baron who was kicked out, only to gain the powers of Another Gaim and use the powers of Helheim to usurp Kaito and keep his teammates in line. Opposing Kouta's status as a god also fits his name, as an angry deity obsessed with and solving all his problems with violence.
  • Takeru Tenkuji became a ghost after death, offered to revive himself by an all-powerful god, only to sacrifice that opportunity for the sake of others and to teach them the value of life. So in a way, Takeru's life "burned brightly". Makimura refused the opportunity the Time Jackers gave him to save his own life, burned brightly during his last moments, only to become a puppet for Another Ghost in death, sustaining his own lifespan by consuming the souls of others. Which in a way, is taking the flames of another's life so that they can continue to burn brightly.
  • Ryotaro Nogami is an everyday man who gets drafted into the war against Imagins but gladly allows the benevolent ones to possess him to fight them. Ataru Hisanaga however is a boy who gets possessed to become Another Den-O, but while being similar to Ryotaro, who's actually in control is different: the Taros are benevolent Imagin who wants to coexist with humanity, while the Another Den-O Watch possesses Ataru as an unwilling host.
    • For Another Den-O II, Takuya Endo is a young man who blamed his sister's boyfriend for her death and came up with a plan to steal the DenLiner to stop that from happening. Ryotaro looked up to his sister's fiancé like an older brother, to the point where part of the reason he remained a Kamen Rider was to reach out to him and even gained the respect of the younger Yuto despite their differences.
  • Shotaro Hidari and Philip are men who would often use the former's late mentor's "count up your crimes!" motto and are eager to protect the smiles of their city, Fūto. Another Double on the other hand is Tid's second-in-command and leads an army of combatants to attack innocents, effectively making an entire town's people crying in peril. And with his backstory of being a former fan of Kamen Rider who grew to hate the Riders for not being able to save anyone from the 2011 Tohoku earthquake, he essentially fights to ask the Riders to count up their crime of hollow heroism.
  • Yusuke Godai was a man who desired to protect the smiles of all no matter what, and in a meta sense, represents the revival of the Kamen Rider franchise into a new era. Tid's goal is to erase the Heisei riders from history to reduce them to little more than fictional characters and ultimately bring the end of their era and all those they protected. Absorbing Shingo to become Another Ultimate Kuuga is also a twisted form of Yusuke's motivation in life, using the smile of a fan of Kuuga to evolve further. Additionally, Another Kuuga has no thumbs, meaning Tid cannot replicate Yusuke's signature hand gesture to encourage others.
    • Furthermore, when Yusuke became Ultimate Kuuga, his desire to protect the smiles of others allowed him to resist Ultimate Form's Unstoppable Rage, thus retaining Mighty Form's signature red eyes. When Tid becomes Another Ultimate Kuuga, he immediately succumbs to its destructive impulses and changes his plans from conquering the world to destroying it, declaring that he's the only one who needs to smile.
  • Rentaro Kagura is the most skilled ninja of all, fighting for justice and even protecting his sister who has the potential to become the princess of an evil tribe. His past self was a weak man who took the power of Another Shinobi to get justice for a friend, but uses lethal and destructive methods against those he views as evil.
  • Mondo Douan's fighting style as Kamen Rider Quiz necessitates he show his opponents all the knowledge he has over them to attack, all of which are done as flashy and attention-grabbing as possible. Another Quiz, his father, was likely just as intelligent, but his inability to produce results meant he never got the fame nor recognition he felt he deserved, ultimately dying without anyone remembering him.
  • Shinji Kido is a kind reporter who fought to keep anyone from dying in the Rider War. Another Ryuga is the cruel Dark Shinji, his literal mirror image who instead attacks former readers of ORE Journal for a petty grudge.
    • Additionally in a benevolent way, Another Ryuga is an opposite of the original: in Kamen Rider Ryuki: Episode Final, Dark Shinji deceived Shinji to become one so he can exist outside the human world with no setbacks. While Another Ryuga indeed hunts former followers of ORE Journal out of petty revenge, Sougo revealed that in the end, Dark Shinji only wants recognition from his original self and returns to being Shinji's reflection once accepting his defeat.
    • For Another Ryuki, Tatsuya is a person that started a murder game for the sake of his dying girlfriend, Sara, acting a lot like Shiro Kanzaki while Shinji was forced into the Rider War but is dedicated to ending it peacefully.
  • Rento Makina is a Ridiculously Human Robot hero who fights for the liberation of humanity in the future of 2121. Another Kikai is a mindless parasite that searches for organic hosts to dominate their will, and rather than machinery, is made from wood. Its host Heure meanwhile, offers contracts that surrender the free will of most of the hosts, aiming to bring humanity to its knees with a new Demon King.
  • Sougo Tokiwa desires to be a king to protect everyone around him and gains the previous Riders' powers by meeting them and learning from them. Hiryu Kakogawa instead only cares about defeating Sougo to the point of turning innocent people into Another Riders for more power and gains the Another Riders' powers by assaulting their original owners.
    • Hiryu's return as the new Overlord also contrasts their reasons of becoming said Overlord. Sougo wants to become one in order to protect the world even though his future counterpart has a seriously twisted ideology of that motive. Hiryu has no shame being a ruthless Overlord that ruined all of Japan as he cares more about ruining Sougo's life in the process.
    • On top of that, Hiryu represents the worst qualities Geiz had, but amplified. Geiz hated Sougo, but it was more out of a desire to change the future and rid the world of a tyrannical Overlord, and throughout the season, he started to be more friendlier to Sougo after fighting alongside him. On the other hand, Hiryu hated Sougo after an incident that the latter never caused, never let go of that hatred, and would do anything to get rid of him.
    • Due to his brief transformation into Another Zi-O, Daiki Kaito also counts as a foil to Sougo. Whereas the regular Zi-O is someone who earns the approval to use the previous Rider's powers, Kaito steals them to add to his collection, just as the Another Riders steal them just be existing.
  • Kazuma Kenzaki was a kind-hearted person who willing gave up his humanity by turning into an Undead in order to see his friend Hajime have a good life and save the world. Amane, who was a bratty kid in Blade, was forcibly turned into a monster by people who want to see the world burn, and went looking for Hajime, the only person she respected. Whereas Kenzaki distances himself from Hajime for the betterment of humanity, Amane's action of tracking Hajime makes her an Unwitting Pawn of attracting two Jokers together to bring the Battle Fight to a definite end, therefore dooming mankind once more.
  • The Seed of Agito was created by the Overlord of Light to allow humanity to evolve past the Lords above them and give them a fighting chance. The Another Agitos spread among humans like a virus, dooming humanity to become mindless beasts under the control of the Time Jackers and ensuring the suppression of the human race.
    • In regards to the individuals, Shouichi Tsugami is an amnesiac who eventually embraces his current identity and achieve a simple life even though he's a product of human evolution. The Patient Zero of Another Agito completely lost his identity after receiving the Another Agito Watch and became a mindless creature following the Time Jackers' orders.
    • This Another Agito is also the antithesis to the original Another Agito, Kaoru Kino. When the former surgeon became Another Agito, he became disillusioned and detached from reality, to the point he thought he alone could defeat the Unknown threats and ultimately trying to defeat Shouichi before his encounter with Ryo Ashihara/Kamen Rider Exceed Gills, which leads to his eventual change of heart; fighting alongside with the Riders until his last breath. This Another Agito is a reflection of what Kino could have become if his Seed of Agito was corrupted by his long-lasting psychological and emotional breakdown, as well as his grandiose delusions.
  • Hitoshi Hidaka was the oldest and most trained of the Oni Riders, and was a firm believer in hard work to achieve greatness. Tsutomu Tsuzumiya is a young man in training to become an Oni, but was forced to take an easy way to achieve that goal (an Anotherwatch).
    • In addition, Tsutomu also contrasted with Hitoshi's disciples: Asumu Adachi and Kyosuke Kiriya.
    • Asumu is a humble youth who willingly decides to live a normal and peaceful life as a doctor rather than being an Oni at the end of Hibiki. Tsutomu on the other hand, is more than happy to mention his ambition of becoming an Oni and even bragged about his master.
    • Ironically, both Kyosuke and Tsutomu shares many similarities: in addition for being ambitious, they also willing to take underhanded methods to get what they want. Thankfully, Kyosuke is aware of this and as such he became much more matured and responsible than he was in Hibiki. Tsutomu, as Another Hibiki, becomes a twisted reflection of everything what Kyosuke was in his home series.
  • Wataru Kurenai was an introvert in self-imposed isolation who eventually grew to rise up to the rank of Fangire King to ensure the Demon Races could find a way to co-exist peacefully with humanity, along with protecting his half-brother Taiga Nobori. Yuko Kitajima is a woman who was incarcerated with the grand goal of becoming the queen of the world to change it under her own vision by force. She also quite prideful with her newfound power as Another Kiva, just like Taiga and by proxy his father the King/Bat Fangire.
    • In addition, Yuko also contrasted with Wataru's relatives and significant others: Otoya Kurenai (his father), Maya (his mother) and Mio Suzuki (his deceased love interest).
    • Otoya was an eccentric violinist and charismatic womanizer who is greatly remembered and respected by his peers, such as Omura, Jiro and Maya, to the point they referred him as a "great man". While sometimes he inadvertently ruining the lives of others with his antics, he is more than willing to give his hands to change their lives for the better. Yuko, on the other hand, is a schizophrenic individual who believes herself to be a rightful ruler and is an pathological liar who feigns being wrongly convicted. Her relationship with her ex-boyfriend is reminiscent to Otoya towards Yuri: while Otoya willingly broke up with Yuri Aso; after he confessed that he fell in love with Maya, Yuko killed her former lover's girlfriend after they broke up and even go so far as to attempt to kill his fiancée during their wedding.
    • Like Maya and Mio, Yuko was granted the power and responsibility as a Queen to to judge and execute others. However, while Maya and Mio don't possess ill will towards humanity and redeem themselves in the end, Yuko, though her death resembles Mio's death, is not the true identity of Sougo's first love.
  • Souji Tendou was a talented man who saw himself as nothing short of a god walking the path of heaven, yet never had any real goal, as he was the best of them all. Despite that, he remains idealistic and Kagami who become Kabuto's temporary successor maintains the same outlook on life despite all that has happened even after Souji left for France. Another Kabuto is Sou Yaguruma, whose fall from grace gave him a nihilistic outlook on life after becoming obsessed with defeating Tendou, resulting in him deciding to take a life of what he viewed as a road down to hell. In addition, while both of them have strong feelings towards their sister/brother figures, Tendou vows to protect both the world and his sister(s) Hiyori and Juka, whereas Yaguruma shows no hesitation in leaving the world as long as he can be beside his "brother" Kageyama. Kagami on the other hand accepted the fate of his brother and allowed Souji to kill the Worm pretending to his brother and swore to protect the world the best he could.
  • Shinnosuke Tomari had a partnership with Krim Steinbelt, his own transformation device. Their partnership grew from Krim giving him advice and encouragement to his super mode allowing both Shinnosuke and Krim taking control together as a team. Shinnosuke also may have had the ability to use the Roidmudes' Heavy Acceleration but never used it due to the horror it places on others. Another Drive is the Paradox Roidmude, a Roidmude who completely fused with her past self, who copied Ora as a way to sown discord towards Ora and Heure and even when she briefly worked with the original Ora, still wants to kill her so she can be the only Ora left. As a Roidmude, she can freely use Heavy Acceleration without caring how it hurts others.
    • Shinnosuke also contrasts with Ora, the person Paradox Roidmude copied. He was once a very passionate police officer who after injuring his partner during the "Global Freeze" incident, lost his passion and became more snarky and cynical after exiling himself to the Special Investigations Unit. Becoming Drive allowed him to regain his former personality while still keeping his snarkiness. Meanwhile, at first, Ora has been shown to have some standards before revealing it to be a lie, became more cold and heartless as the series went on to the point of being completely emotionless and relentless when she killed Heure. In general, Shinnosuke is a police officer who tries to protect people, upholds justice, deeply cares about the people very close to him, and even still manages to be a warrior even without his Rider powers; Ora, however, is a Time Jacker who turns given people into Another Riders without any regard for the consequences of her actions, effectively making her a time criminal, only cares about herself while feigning kindness to further her goals, and when Swartz took away her time powers, Ora displayed zero hesitation on stabbing Heure when Another Drive mocked her for being powerless just to get her powers back.
    • Ora also contrasts with Drive's female supporter, Kiriko Shijima. Kiriko wanted to become Drive herself but failed to do so and therefore, chose to support Shinnosuke in any way she could and made sure he lived up to the ideals of a Kamen Rider. Kiriko eventually fell for Shinnosuke and married him as well. Ora, on the other hand, lets her Another Riders do whatever they wanted and while she did support them, she only supported them so long as they don't disobey her in some way. Ora also doesn't love anyone and uses the love of others to make them obedient to her. She doesn't even care all that much about Heure, the only comrade she has that isn't using her and does care about her.
  • Tsukasa Kadoya was the former leader of Dai-Shocker who chose to conquer the 9 Worlds for his own amusement, only to have a Heel Realization when he found that his sister had been corrupted to fight for them. Another Decade is Swartz, who intends to use Sougo Tokiwa as a Puppet King for his own conquest and treated his younger sister like crap. Episode 47 reveals that Swartz's goal is a twisted replication of Decade's story. In Decade, Tsukasa's powers were unwittingly fusing the A.R. Rider worlds with his which will destroy them all thus he needs to destroy the A.R. worlds, Swartz is willingly and forcefully fusing every world except his into one so he can destroy it. At the end of Decade's story, Tsukasa let himself be killed after he killed every Rider so a unified world could be born with all the dead Riders revived, Swartz simply wants to save his world to rule it and is willing to do anything to accomplish his goal.
    • Swartz also contrasts Daiki Kaito from the same series. Kaito broke away from an authority position to escape the controlling influence of his Big Brother Bully, while stealing only unique, irreplaceable objects from every dimension he visited as collectibles. Schwartz chose to stay in his position of authority, taking away the unique powers of the Heisei Kamen Riders to advance his plans. Swartz is also a Big Brother Bully, manipulating Heure and attempting to murder Tsukuyomi. As Another Decade, Swartz summons Dark Riders that appeared in the various Kamen Rider movies while Kaito's world is based on Blade's movie.
    • As far as Kaito and his own Another Rider counterpart goes, Kaito comes from another world separate from Decade's and collects treasures out of delusion for what happened in his past. And while Diend does occasionally side against Decade, in the end, he does consider him his friend and will help him out when push comes to shove. Another Diend is White Woz, Black Woz's alternate counterpart, who is very amoral to even his savior and while he seems like an ally to Geiz, is willing to have him killed so his future will come to pass. In addition, he does steal the power of the Future Riders for his own benefit.
  • This even follows in the next season with the appearance of Another Zero-One. Aruto Hiden is a human who wants to continue his grandfather's belief that the HumaGears will help humanity and is basically forced to become the president of Hiden Intelligence. Will is a HumaGear, but he decides to lead his kind into the destruction of the human race after taking over Hiden Intelligence by force.
  • One can even add the original to his Another Rider counterpart. Takeshi Hongo was a man who was forced into becoming a cyborg for an evil organization but was lucky enough to retain his own will and uses his enhanced abilities for good. He is also the very first Kamen Rider which links the franchise from the Showa era to the Reiwa. His Another Rider counterpart, Finis, did erase the Daybreak Town Accident from history which seems good in theory but then lead to a present that is much worse which ultimately, was revealed to be an evil plan for her to replace the original Ichigo as the first Kamen Rider. In addition, while not the last Another Rider, does symbolically represent the end of them as the main villains and she is also a link between the Showa era with the Reiwa.
• Almost all Riders have powers that are either evil in nature or are used by the evil they fight. And sometimes, using that power leads to them becoming the same monsters they fight. However, Riders have the willpower to fight against the evil and remain human at heart. The average human being? Not so much. So it should come to no surprise that when an average human uses a Rider's powers, they're corrupted by it and become monsters.
  • Not only that but Another Build is a basketball player who is given Build's powers. Build's powers are based in being a scientific genius and yet they're given to somebody, an athlete, with the least compatible traits? Seems not only do you need the morality and willpower but also the personal traits of the Kamen Rider too.
• Why is one of Geiz's motifs a butterfly? Butterflies represents change, and things change as time goes by. It's also a reference to the "butterfly effect".
• Geiz uses the Ghost Ridewatch. Not only is he nothing like Takeru, who values life due to having died and would never take a life, but Geiz might also see it as justice that Zi-O is taken out by the grudges of those he killed.
  • Though, one idea is that Ghost (along with Drive) have a Kid from the Future who is trying to Set Right What Once Went Wrong and becomes a Kamen Rider. What is Geiz doing?
• The first two Ridewatches Geiz has are Drive and Ghost. His henshin pose combines the arm movements from Ghost and the wide stance of Drive.
• Giving a basketball player Build's power makes some sense considering Build's default form is RabbitTank. A basketball player would be strong and capable of jumping great heights.
• Another Build notes (with disappointment) that Karate and Tennis are not a Best Match. Aside from the fact that both are vastly different sports (Tennis is a ball sport; Karate is a martial arts that involves hand-to-hand combat), both would likely count as Biotic Fullbottles if they were to be used in actual Best Matches, since they'd likely be representing the player of each (Tennis Player for Tennis, Karateka for Karate), and with the exception of RabbitRabbit and RabbitDragon (which were very special cases), you can't make a best match with 2 Biotic Bottles^note same goes for Abiotic Bottles, which also had an exception in the form of TankTank.
  • As for why Swimmer and Archer is a Best Match? Because of the way Evolt set up the Best Match system, an archer would be capable of shooting and killing a swimmer in the water. Geiz even stops Another Build from using his swimmer powers with the Zikan Zax's Yumi Mode.
• Kind of a late one on Another Build, but one of his attacks that was about to hit Geiz and Tsukuyomi until Sougo deflects it in a Big Damn Heroes moment? That attack was a baseball. It highly implies he might have found a Best Match for Baseball at some point offscreen.
• Quite a few Kamen Riders' Final Forms have gold as their main color scheme (Blade (♠), Kiva and Ex-Aid) and Ōma Zi-O's suit is gold rather than Zi-O's silver and has lots of extra parts attached to it. Ōma Zi-O's suit is Zi-O's Final Form! (or rather, what his Final Form could be if he becomes Ōma Zi-O...). It's also fitting those Final Forms have traits that Ōma Zi-O also possesses. Blade King Form (♠K) and Kiva Emperor Form both represent rulers as King and Emperor respectively and Ex-Aid Muteki Gamer represents invincibility which also fits since it's stated Ōma Zi-O is the unmatched Evil Overlord of the future.
  • And a few Kamen Riders who are the Big Bad tend to have a form that is gold plated with red eyes, just like Ōma Zi-O.
• Anotherwatches don't appear to have turning faces like Ridewatches and thus do not display a date or symbols. Makes sense, given that Ridewatches embody Kamen Riders of past while Anotherwatches are for Another Riders that have yet to be created.
• In the opening, there's a section where Zi-O and Geiz jump down some stairs while their face characters extend out, showing where they're going to go. It's actually a subtle reference to Nude Descending a Staircase, No. 2, a famous portrait which portrays a character at multiple points in time simultaneously. Fitting for a time-based series.
  • It's also a reference to their Rider Kick finishers, which involve their mask and foot characters creating a line of trajectory (or in Zi-O's case, keeping the monster in place). Zi-O's finisher even has his characters lighting up in order of pronunciation, so it literally spells "Rider Kick".
• In the opening, Zi-O and Geiz are shown at first riding their bikes and dodging attacks together, but in the closing scene, they are suddenly fighting each other. This perfectly reflects their relationship in the series, Geiz is willing to fight together with Zi-O and protect the timeline, but if Sougo shows any sign of becoming like Ōma Zi-O, Geiz is willing to kill him immediately without missing a beat.
• Funny it may be, but Geiz using his own name as his Rider name makes sense. He's from a Bad Future engulfed in war and strife, why the hell would he care about using a "cool" pseudonym?
• Why did Another Build get excited to see Banjō, enough to say he and itself are a Best Match? Because as far as it knows, it's Kamen Rider Build and Build's closest partner and friend, the one he can trust to have his back in a fight, is Kamen Rider Cross-Z.
• Heure transforms the same basketball player into Another Build rather than simply turning somebody else into Another Build. While it's a bit soon to confirm, it implies only one person can transform into a specific Another Rider. It's much like how the previous Kamen Riders could only be portrayed by their original actors and trying to change that led to some complaints...
• Of course the graph created when Sougo uses Vortech Time Break isn't any complicated equation like Sento's. Sougo isn't smart enough to create any fancy equations like Sento can so a simple line graph is all he could think up.
• Sougo has traits similar to the past Riders such as...
  • Sōji Tendō: Underneath the meek and nice guy personality, Sougo has an ego similar to Tendō's, stating it's his destiny to become someone great.
  • Ryōtarō Nogami: Shares his bad luck and his Nice Guy trait.
  • Eiji Hino: Possesses the power of an evil king but is determined to use it for good.
  • Gentarō Kisaragi: Friendly to everybody, even those who were once hostile to him.
  • Kōta Kazuraba: Is a Manchild who didn't know what to do with his life like Kōta was at the beginning of Gaim.
  • Shinnosuke Tomari: Is Brilliant, but Lazy which can surprise people who underestimate him.
  • Tsukasa Kadoya: was at the time of his series the latest incarnation of the fucking Great Leader of Shocker, making him the oldest, greatest evil in the Kamen Rider multiverse. At 68 years old in 2068, Ōma Zi-O would certainly be the oldest, greatest evil Kamen Rider ever.
• Why is Takumi Katsuragi friendlier and has a personality more like Sento? This is because the Skywalls never happened. Katsuragi was more confrontational and abrasive because of his fight against Evolt as well as working for Faust. But in the Zi-O timeline, the Skywall never happened, he never joined Faust and his father never faked his death, thus he lacks the tragic backstory the World of Build Katsuragi has. As a result his personality developed a lot differently.
• In episode 3, Hiiro for some reason gave Emu's note to Geiz instead of Sougo, despite it was Sougo and Tsukuyomi who asked about Emu. The reason to this is not outright mentioned, with Hiiro even being unsure why did he do that in the first place, but remember that both Hiiro and Geiz shares a huge similarity: They're both secondary riders who appeared very early and initially dislike the main rider, but becomes an ally anyway to pay close attention to the main rider.
  • Not only that, the note was written in German and Geiz has a German name. So he assumed that Geiz probably knows how to read it and gave the note to him.
  • It was revealed in Episode 4 the actual reason was that Geiz went to the past to warn Emu and Hiiro about Another Ex-Aid's coming. Since Hiiro had only met Geiz and not Sougo, he felt it more trustworthy to give the note to him.
• Unlike Emu, Another Ex-Aid was forced to use a continue.
• Sougo Breaking the Fourth Wall and using the attack name bar to finish off Another Ex-Aid? One might say for Another Ex-Aid, it was like a boss using an Interface Screw against them and having no idea what to do.
• Another Ex-Aid is different from the other Another Riders because his belt doesn't match Kamen Rider Ex-Aid's Gamer Driver. This makes sense when you remember Ex-Aid is a composite Kaijin. Another Ex-Aid isn't wearing the Gamer Driver because he's wearing the Para-DX Buckle!
• In Episode 5, it was revealed that Another Riders steal not just the history of the Riders of their series, but also their villains, as shown with the Scorpion Zodiarts vanishing. This explains why the Another Riders look monstrous; they're a combination of both the hero and their respective monster!
  • Another Build looks as if he were covered in scrap metal like the robotic Smash. Just how like humans who are willing to become Smash use Smash Bottles to transform, Another Build's Fullbottles are the same kind. Furthermore, what sets apart Another Build from the rest of his kin is that he is brainwashed into a wild monster, just like how the early Smash from Kamen Rider Build are unwilling victims of Faust. Not only that, Another Build's colors (being slightly different shades) actually resemble Blood Stalk.
  • Another Ex-Aid not only resembles Ex-Aid, but also a twisted version of Mighty from Mighty Action X, fitting with the Bugsters being video game bosses come to life.
  • Another Fourze resembles the design of the Zodiarts with orange and red trails along his body, and his transformation into Another Faiz is reminiscent of the ability for some users to evolve into Horoscopes, most specifically the Cancer Zodiarts' evolution after he was defeated as the Pegasus Zodiarts.
  • Another Faiz clearly has Orphnoch designs in his armor, with the rib cage on the chest piece and a mouth on the face plate, along with the placing of the "fins" on his head giving him a resemblance to a shark.
  • Another Wizard's features resemble a European dragon, Haruto's Phantom. Basically an idea of what WizarDragon would look like if he drove Haruto to despair. There's even a short shoulder mantle reminiscent of the White Wizard suit.
  • Besides resembling an animalistic human chimera like the Greeed, Another OOO incorporates elements from each of the Greeed its animals are based on, with Ankh's green eyes, exposed mouth, and white fur collar, Kazari's silver spots on black leather and claws, and Uva's green leg armor. Furthermore, what happens to wounded Greeed and Yummies? They bleed Cell Medals, just like Another OOO.
    • Alternatively, it also gives us the idea of how a TaToBa Combo version of a complete Greeed would turn out to be.
  • Another Double's design brings to mind the Nazca Dopant, and the belt has an Egyptian bird design - while not based on a particular Dopant, the latter element would fit right in with the Dopants in the Sonozaki family's theme of antiquity-related Gaia Memories, seeing as how the right half of Double is part of said family. The bandaged right half also brings to mind a mummy as well as Shroud's bandaged appearance, as a nod to Shroud's identity as the right half of Double's mother.
    • The bird can also bring to mind the Xtreme Memory.
  • Another Den-O has Western demonic elements, most notably the horns replacing the eyes, somewhat contrasting with Momotaros, who is based around Oni (Eastern demons).
  • Another Gaim has tree roots growing out of him, bringing to mind both the Helheim Forest and the vines resulting from humans transformed into Inves. His weapon of choice is a zanbatō, like the one that Overlord Roshuo used.
  • Another Kuuga is more animalistic than the Gurongi, who themselves had more animalistic forms than regular humans, not to mention being vastly larger than the Gurongi are.
  • Another Ghost's chest has a large eye similar to that of the Gamma's buckles along with eyes and horns similar to that of the Gamma Superiors. His nature is a more grim version to how Gamma are created, as Makimura's lifeless body is taken over to create Another Ghost, much like how Gamma gain their forms by possessing inanimate objects.
  • Another Shinobi achieves this in retrospect, as his appearance in-universe takes after the leader of the Rainbow Serpent tribe, Yaminin.
  • Another Quiz has brain-like growths, which is ironic since Quiz battled a scientist... who is Another Quiz.
  • Another Ryuga resembles the humanoid Mirror Monsters with his animalistic dragon armor and Ryuga's weapons being naturally part of him bring to mind the Contract Monsters whose body parts made up the weapons summoned by their users. He's also based on Shinji's Mirror World counterpart, making his status as a Mirror Monster a bit closer than just in appearance.
  • Another Kikai seemingly defies this like the other future Riders, being a wooden creature instead of a machine, but that is part of the point; if Another Kikai was a machine then it would just be Kikai. But its resemblance to the Humanoise monsters is more subtle; it's an out-of-control monster that destroys humans, making it esoterically similar to the Humanoise machines.
    • Since Kikai and Another Kikai are made from Sougo's imagination, then the symbolism is two-fold; Another Kikai and the Humanoise are made from the same idea: Sougo being alone as a child. They both persecute and attack people spontaneously and without mercy, likely a twisted memory of how Sougo saw his own isolated childhood. This, in turn, means that Another Kikai shares aspects with the Humanoise on a more fundamental level than previously thought.
  • Another Zi-O is confusing when you consider how Zi-O is an anniversary show and he has no minions or original monsters to face, but then take a look at his faceplate. It's a skinned human face. Because Zi-O fights evil time traveling humans.
  • Alternatively, Another Zi-O is the Ur-Example of what Another Riders are; a monster based off a Kamen Rider.
  • Another Blade wears nailed metal spikes and plates as armor on leather much like the Undead, and her knight motif resembles the Caucasus Undead.
  • The Lords were unique monsters who chose only to target those with the potential to become Agito. The Another Agitωs spread their presence to other humans like a virus, essentially targeting anyone with the potential to fight like them.
  • Another Hibiki's appearance resembles the Makamou parents, with his wild black main, demon mask, and exposed toes.
  • Another Kiva wears stained glass designs like the Fangire, and her roaring face resembles the reborn Bat Fangire.
  • Another Kabuto bears many features similar to the Worms, with insect carapace for armor, bones formed through his body, and a head resembling the Native Worms.
  • Another Drive has the same grey skeletal face like the Roidmudes, and his armor formed from scrapped car parts resembles the armor of their executor, Mashin Chaser.
  • Another Decade has similarities towards Chinomanako, a monster who has managed to transform into Kamen Rider after stealing the Diendriver, fitting as both he and Another Decade are perversions of their respective Kamen Rider powers they stole. The silhouette of his head also resembles the Dai-Shocker emblem, the larger horns to the side forming the wings and the two smaller protrusions on top forming the two eagle heads.
• Going along with Decade not having a solid group of monsters as the antagonists, bits and pieces of his body have some sort of relation towards the Heisei Phase 1 monsters
  • Gurongi: The top part of his head looks like the fangs of a stag beetle, similar to how the Gurongi can transform into animal like monsters and more specifically, N-Daguva-Zeba since he has a stab beetle motif.
  • Lords: There are devil like wings on the front and back of him, a parody of Lords being angelic-like humanoid animals.
  • Mirror Monster: His "horns" look like Zelles monsters and the lines on him look like the ones on Abyss monsters.
  • Orphnochs: The center of him and his arms are as white as an Orphnoch.
  • Undead: There are a couple of metal spikes on his body.
  • Makamou: In how the Makamou has a very Japanese appearance, his leg covers look samurai like.
  • Worm: Parts of his body has an insect like chitin appearance.
  • Imagin: He looks like a western devil and his red area is pretty bright.
  • Fangire: Parts of his faces has a stained glass like appearance that's noticeable when it glows.
• This even carries on into Reiwa: The First Generation.
  • Compared to Zero-One's grasshopper, Another Zero-One resembles a Rocky Mountain Locust, which like the animals used as motifs for the Magia, is extinct.
  • Another Ichigo is obvious, as the original Kamen Rider was originally built as a Shocker Kaijin.
• The fact that Another Riders also steal the history of the villains also means there's little chance of the future becoming a nightmarish Bad Future because the villains won. So no Evolt destroying Earth, no Bugsters killing off players in a hopeless world wide MMORPG, no devastated Amanogawa High, no Smart Brain, and so on.
  • Makes sense when you realise most Riders are Phlebotinum Rebels, meaning to erase a Rider from existence is to erase the very phlebotinum that created both the Rider and villains, causing the villains to cease to exist as well.
• The connection between Fourze and Faiz:
  • After being beaten, Another Fourze turns back into Another Faiz. Of course he does. Because after Four(ze) comes Five(Faiz/555).
    • And who ends up with Faiz's Ridewatch? Geiz.
  • This can also fit into the school theme as both Fourze and Faiz had big connections to the antagonists of their seasons (Ryūsei School was the location of the first major Orphnoch attack and was run under a former Smart Brain member, while Amanogawa High School was run by Mitsuaki Gamou in an effort to find Horoscope monsters).
  • Why combine the 555 and Fourze tribute arcs? Recall what the "World of Faiz" arc in Decade was - a high school arc. It's not a stretch to imagine we might see other tribute arcs combined in a similar matter.
  • Also, both Fourze and Faiz are essentially saying "Four-Z" and Five-Z". As in counting up.
• Still in episode 5, Sougo makes himself fall off the stairs so that Geiz and Tsukuyomi can make the school nurse go away, allowing them to check up on her computer. Of course Sougo can think up this plan, he's a student, unlike Geiz and Tsukuyomi. So naturally, he knows the school would have a computer that keeps the data of all the students in the nurse office.
• Part of the reason why Geiz's name was spelled as such could be because the term "Gate/Gates" was already used in Kamen Rider Wizard. "Gates" here is a term referring to humans with potential magic.
  • Becomes Hilarious in Hindsight when it is confirmed that Geiz will be the one to don the Wizard Armor.
• It's fitting that Hayase, Another Wizard, only truly becomes a monster after he goes over the Despair Event Horizon (learning that his crush is already engaged and the theater he wanted to keep going for her is being closed down anyways). Just like a Gate turning into an evil Phantom when what little hope they had is crushed.
• Why is episode 7.5 about the actors lamenting over having their efforts wasted on shooting scenes that went unaired? When you think about it, it overlaps with how Hayase/Another Wizard had wasted 6 years of his life and efforts trying to impress his crush by keeping her late father's theater running, only for it all to have gone for naught when he learns she had planned to close it to begin with.
• Another Build was strangely easy to defeat compared to later Another Riders. While the riders introduced later are competent enough to run plans over a period of years and use the powers of their namesakes in creative ways, Another Build seems almost animalistic in his actions and can't seem to think of anything more complex than manifesting sports equipment despite having access to Build's wide array of powers. Then you realize that the Another Riders are specifically designed to oppose the main personality traits of their namesakes and have an overpowering obsession with their human form's strongest desires, albeit in twisted form. Sento is a genius who built his powers to make maximum use of his knowledge. The nameless basketball player had no real goal beyond survival and continuing his career. The opposite of a genius with only sports to hold onto results in a monster that personifies Dumb Jock and Jerk Jock: the furthest thing in the world from someone qualified to use powers based on the scientific process and creation. No wonder he was just the Starter Villain: he was the worst possible pick for his rider powers.
• How come Another Fourze and Another Wizard can use the powers of their namesake Riders without having to collect Astroswitches or Wizard Rings? Because Fourze and Wizard's gimmicks were objects that granted weapons or powers unlike Fullbottles, which only provided powers while the weapons had to be built by Sento himself.
• The Time Jackers' claim to have a plan to rewrite their future to their designs, but their methods don't seem to have a clear strategy behind them. They make random people Another Riders, then leave their new creations to their own devices without a bit of guidance. Then Another Faiz showed that the knockoff powers the Another Riders have aren't just addictive, but they will eventually fade out on their own. At which point, the Jacker will approach the victim again and offer them another hit. That's why they don't bother to simply brainwash or directly command their creations: the Jackers give the victim a taste, let them get in over their heads, then time travel to the point where the victim is desperate for more and offer one... for a price. Not only do they remove any threats to their plans by removing both Riders and monster, but they ensure that the new creature they make is a junkie they can influence whenever they are at their weakest.
  • Relatedly, the Time Jackers tendency to leave their Another Riders to their own devices is probably a strategy to test them. The Jackers want to create a Demon King puppet. That requires a candidate who is skilled, ambitious, and ruthless enough to want the position, but still vulnerable to their manipulation. That is a very specific sort of person. The Jackers run their schemes so that they can monitor their creations over the years to see if any of them fit the bill. They have more than 50 years for each potential candidate to develop, so it makes sense that they would keep a light touch and monitor them through time. The only reason they deviate from the plan is because Zi-O and Geiz present the only faction that can derail this scheme before they can find the right candidate. As long as those two are around, it's impossible to even monitor the Another Riders after 2019, which forces them to resort to essentially guessing who the best candidate could be.
  • If so, why does the Anotherwatch transform into a different Rider when logically, the Anotherwatch should create the same Another Rider as the first time? It's possible that the Time Jackers specifically pick which Rider their victim will become but it's also possible that they're trying to give their candidate as many Rider powers as possible so that they can become more like another Ōma Zi-O, a Kamen Rider who has mastered the powers of the Heisei Riders.
• As noted under Fridge Horror a lot of the changes to the Kamen Rider 555 characters make sense once you think about them.
  • Takumi is still alive, because since he didn't become Faiz, he was never an Orphnoch and his body didn't break down. As the result, he continued to live. It's either that or the time alterations or paradoxes are keeping him alive as explained in D-Video Special: Kamen Rider 4.
  • Kusaka is still alive, because his death at the hands of Kiba never happened. His personality change came because the event that caused his hatred of Orphnochs never happened which made him become a slightly better person in comparison to how he was in Kamen Rider 555 since he was not engulfed by his hatred and jealousy.
• Zi-O started in 2018 and will end in 2019. As of 2019, Zi-O himself is a past Rider. To emphasize this point, the first episode to air in 2019 after the new year break is all about riders from the (alternate) future, such as Shinobi and Woz.
• The reason Another OOO looks the most like the Rider it's based on? Because the person using that power is another Kamen Rider! Plus, Kuroto Dan actually has a personality that matches the original OOO, who was a evil king consumed with greed and desire, along with the willpower needed to wield a Rider's powers. His monstrous traits as Another OOO is likely because he doesn't have the heart of a Kamen Rider, a human heart that refuses to become a monster, especially since Poppy no longer exists.
• King seems to be a downgrade from God, right? Well, since Bugsters no longer exist, Kuroto Dan was no longer present to their creation, which led him to believe he created new life. Without that, Kuroto Dan had no reason to believe he was God and therefore, went for the next best title his pride would allow him.
  • In Classical Mythology, the Titans were once rulers of the universe until the gods overthrew them. In Dan's twisted mind, beating the gods as a king is his way of surpassing the old rulers.
• Given how easily Zi-O beats Geiz in Episode 9, Sougo's previous interactions with his classmates seems less "Sougo is not capable" to more "Sougo doesn't have the drive to do it".
  • What's interesting is that Sougo uses his Build Armor which is just saying that he's Obfuscating Stupidity.
  • The first episode establishes one of Sougo's longtime friends as a judo practitioner who'll put Sougo flat on the mat just to drive home a point. How many times has Sougo taken away the technique and not the lesson?
  • After seeing such a brutal display of skill and power from Zi-O, all the previous battles he had are now put into serious questions.
    • First off, how could Sougo know how a Kamen Rider fights if basically all the past riders don't remember a thing about their old lives? The only person he could turn to was Geiz, but Geiz wasn't going to give him information out of fear he might give Sougo the means to become Ōma Zi-O. Hence, Sougo took another route. He worked with Geiz and Tsukuyomi and tried the best he could to fight the Another Riders all the while quietly observing Geiz's own abilities and the Rider Armors. By the time Episode 9 came, Zi-O had worked out all the strengths and weaknesses Geiz had and even if Geiz used the Rider Armors, Sougo have some countermeasures prepared for them.
    • Secondly, Sougo had the Time Mazine which he can use to travel back in time and watched all the battles the Past Riders had fought in to get the lessons he needed. However, this part comes with Nightmare Fuel - it might also unknowingly be the reason why Ōma Zi-O is so powerful.
• The Time Jackers can stop time and use past Rider's vehicles as part of their Time Mazines. It's entirely possible they have either the technology for Zect's Clock Up, the Roidmudes' Slowdown or the Buggle Driver II’s Pause, albeit a much more advanced version of them.
• While at first glance the OOO TaJaDol Combo Ridewatch seems like it was designed for toy sales and/or promotions, there is a technical in-universe reason for it existing, beyond simply "Eiji remembering Ā̃ṅkh". In the final battle of Kamen Rider OOO, Eiji used the Core Medal housing Ā̃ṅkh's consciousness, and he announced the names of TaJaDol's Core Medals of the transformation. Because of this, it's not too farfetched to say that, in that moment, Ā̃ṅkh was Kamen Rider OOO (albeit as the Transformation Trinket), alongside Eiji, as Ā̃ṅkh briefly did fight with Eiji afterwards. Naturally, with Ā̃ṅkh erased from history, since Eiji was also part of OOO for this, it's not a stretch that both Ridewatches would end up with him, due to his shared ownership of this 'Kamen Rider Ā̃ṅkh-OOO'.
• There's a theme of not everything is black and white but mostly grey:
  • Coincidentally, Sougo's Zi-O base form is grey which correlates with his personality. Sougo has a white face that shows he wants to be an overlord that will be loved and respected by everyone but has some shades of black where he isn't above using manipulation and brute force to achieve his goals.
  • Grey could also refers to the Kamen Riders and the Another Riders as a whole. Kamen Riders were forcibly created by monsters to destroy humanity but chose to use their powers for good and become heroes. Another Riders are people that chose to become monsters with the best of intentions but their powers soon corrupt them into become a threat to humanity.
• This might be obvious, but the reason the Another Rider remove the monsters and additional riders from history is because they aren't just removing the Kamen Riders' history - they're removing the Kamen Rider series, as a whole.
  • This is actually implied by Sento in Episode 2.5 when he said that it's like "Kamen Rider Build" as a series does not exist, but at that time no one, not even the viewers, realized what he's saying is literal.
  • In Kamen Rider Heisei Generations FOREVER, the ultimate plan of the Big Bad is to erase the entire Kamen Rider franchise. Part of that plan was for him to become Another Kuuga. Without Kuuga to open the way to a new era of Kamen Riders, the Kamen Rider franchise would have never been restarted.
• While Sougo bungles up the Finishing Moves of the past Riders, they are close to how the originals were when you seriously think about it.
  • Build Armor: Ignoring the pathetic attempt at the theory blocks, Zi-O's attack is similar to Build's RabbitTank's Vortech Finish by sliding down a graph line, if your replace "attack with kick" with "attack with drill".
  • Ex-Aid Armor: While it almost seems like a subversion, the way Zi-O knocked his opponent into the air by ground pounding with his Gashacon Breaker Breakers is similar to Maximum Gamer's Maximum Critical Break where Ex-Aid pounds the ground with enough force to knock his opponent into the air.
  • Fourze Armor: With Zi-O transforming into a rocket, and performing a corkscrew kick, he's basically performing an altered version of the Rider Rocket Drill Kick if you take away the Drill Module.
  • OOO Armor: The three medals facing in front of him are a nod to how every finishing move OOO performs has three circles in front of him. Plus, besides the aforementioned medals, the attack is close to the original TaToBa Combo's finisher.
  • Gaim Armor: It's a reverse of the very first finisher Gaim performed in his debut fight where Kouta trapped the Byakko Inves in an energy orange before slashing him.
  • Double Armor: Oddly enough, it's a near copy of the Triple Extreme attack as Decade, Shotaro, and Philip are replaced by Zi-O and his two Memory Droids.
• Sougo mangling Double's catchphrase into telling his opponents to confess to their crimes makes sense, since he's a king and is ordering them to confess to what they have done. Additionally, given he knows he risks becoming the Evil Overlord Oma Zi-O who's got a rap sheet so long it spans the globe twice, it's possible present-day Sougo recognises the inherent hypocrisy of him telling others to count up their crimes.
• This goes into Fridge Heartwarming. The flow of the arcs so far have strongly indicated that the flow of time tries to resist changes like the ones the Time Jackers are making, and because of that the Riders and the people close to them still gravitate together even though the stories that originally brought them together don't exist anymore. That includes the Another Riders, which is why nearly every original Rider has been found by hanging out near the Another Rider's stomping grounds. In the case of people who outright can't exist in the new timeline anymore like Ā̃ṅkh, Eiji still wears a memento of him even though he has no reason to do that in the broken timeline. Time wants to go back to the way it was, much like how in Den-O the memories of people in the future would eventually correct any damage done to the past unless the damage was so severe that there was nobody left to remember what was supposed to have happened.
  • This applies even to the main characters, as despite all the change in history, Tsukuyomi still wants to believe Sougo, and Geiz, in just the span of an episode, start to doubt his hate towards Sougo and eventually go back to being on a friendlier terms with Sougo.
• Since Kamen Rider Decade was the 10th anniversary Heisei series, why combine its tribute arc with Ghost? Wouldn't it make more sense to combine it with Blade (♠) or Gaim (5th and 15th anniversaries respectively^note if going by the show's number)? Technically speaking, Ghost is an anniversary show in the same way Αgitω, Kabuto, and OOO are - if you go by what year it aired in, as opposed to what number series it is, Ghost is the 45th anniversary show^note 45 years since the original Kamen Rider aired (with Αgitω, Kabuto, and OOO being the 30th, 35th, and 40th anniversary shows respectively).
• With the interference of Future!Sougo changing the events in the current timeline, he now effectively becomes an alternate-future Sougo, due to how Present!Sougo received the Gaim Ridewatch differently and first activated it in a rather different situation from Future!Sougo.
• It makes sense that Another Faiz's powers faded away after years of use since the rider he's based on also loses his power eventually, because their Transformation Trinkets deplete Orphnoch DNA and will eventually kill the user which was especially shown with the users of the SB-913B Kaixa Driver who usually die after a few uses.
• The Time Jackers' method of offering deals to their Another Rider candidates seems very odd. The cases of Another Ghost and Another Build show that they don't have to bother playing along and can just force the victim to transform. So why bother with the formality? Because in the cases where they power was forced on a victim, the resulting Another Rider suffered severe mental degredation and was only useful as a regular monster. The Jackers want a Demon King that they can control, not some deranged beast. They're looking for those who will crave power when offered. Especially those who use it to take their desires at the expense of others while retaining enough of their human intelligence to do so properly. It's because those are the people most likely to have the ambition and drive to become the Demon King.
• Remember, Decade has fought in Kamen Rider × Super Sentai: Super Hero Taisen against his counterparts, Kaizoku Sentai Gokaiger who did show they can use weapons and powers of other Super Sentai with just one key. Tsukasa probably noticed this and like it and add the feature to the Neo Decadriver.
• When one thinks about it, Another Ghost was collecting his series' gimmick much like Another Build was collecting Fullbottles. Ghost's gimmick were the Eyecons, souls of great men and women throughout history. Another Ghost steals the lives of "troublemakers", normal people who won't be or are not yet great.
• Why does the Decade Armor transform into the Grateful Damashī form rather than Ghost's first Mid-Season Upgrade, Tōkon Boost Damashī? It might be because due to the changes in the timeline cause by the appearance of Another Ghost led to Takeru's father's sacrifice to be undone and so, the Tōkon Boost Eyecon no longer exists. The fifteen real life, long dead luminaries who became the Eyecons used for the Grateful Damashī, however, wouldn't be erased from history and therefore, the power of the Grateful Damashī still exists.
• Have to give the writers credits for conceptualising how Tsukasa doesn't need a Time Mazine to travel through time despite being a dimensional traveler: He just needs to go to a dimension where the past/future happens in his present time.
  • Or he just used Den-O, that works too...
  • As he so explains, he travels to the World of Past/Future
• Why is Tsukasa an enemy? Because hero or not, he is STILL the Destroyer of Worlds whose presence causes non-AR Rider worlds to collapse into non-existence. For the new Rider's world to survive, they must do as the other Riders did: defeat Tsukasa, ending his threat to their world. His fighting them and defeating them is part of HIS side of this cycle: the Riders must remember him so he can come back to life to continue his journey.
• Given that the Another Riders and Rider Armors are based on the same kind of technology, and that the Anotherwatches usurp the powers and history of the Kamen Rider it's based on, why are the Riders not restored when Sougo defeats the Another Riders? Simple: his Ridewatches, based on the same technology, are keeping the Riders erased by also usurping the Rider's power and history. All that changes is getting rid of the competition.
  • Why has Decade not lost his powers despite the existence of a Decade Ridewatch that should be usurping his history? Because Decade's history does not stand alone like the other Heisei Riders. Decade does not have an original power source or monsters. It's connected to the history of Kamen Rider Ichigō by way of the fact Tsukasa is an incarnation of the fuckin' Great Leader of Shocker, meaning his power is unique among Heisei Riders as it's connected to the original Kamen Rider. To erase his power, you need to erase Shocker itself, and that would only happen if Another Ichigō came into being.
    • Additionally, Decade is a Rider who isn't from the original mainstream timeline. The Time Jackers' temporal paradox only applies to their universe, not Riders from A.R. Worlds. Decade and co. have been jumping into dimensions and fight the Dai-Shocker army, who can also jump into various worlds.
    • Or... go with me on this... the Decade Ridewatch was made from the normal DecaDriver, necessitating the switch to the magenta NeoDecaDriver. Episode 43 affirms this, as still being a Rider means he's fair game for an Another Ridewatch to take that power from him anyway.
• Ever since Geiz returns to live in 9 5 DO in episode 12, he has been assaulting Sougo even after the youth just waking up from sleep. One has to remember that Geiz was Curb-Stomped by Zi-O in episode 9 when he himself is far better trained in combat, thus learning the hard way to not underestimating Sougo, even if he has just receiving his powers as Zi-O.
• When using the Wizard Ridewatch, what's announced is "Please! Wizard!". Almost as if the user of the Ridewatch is asking Haruto nicely if they can borrow his powers, just how Haruto asked WizarDragon for his magic.
• In episode 16 Zi-O uses Ghost Grateful Damashī to summon a bunch of Parka Ghosts to snatch back the extra Zikū-Driver, and the one that actually gets it is Goemon. He's the Loveable Rogue so it was clearly intentional.
  • Given that historically he was a noble thief much like Robin Hood, you bet it was intentional.
• It's no wonder that Ōma Zi-O is a Fashion-Victim Villain in his civilian clothes. Present time Sougo has no fashion sense either.
• As of episode 22, the show has debuted Zi-O's Mid-Season Upgrade, Zi-O II. While at first this seems like a silly and lackluster name, it actually makes sense in the context of the show. Sougo is becoming a new king with that Ridewatch. The form isn't Zi-O #2, it's Zi-O the Second.
  • This also applies to Geiz Revive. In the new timeline, Geiz defeated Ōma Zi-O. He revived the future.
• Why do the future riders use a modified Zikū-Driver as their belt buckle? The practical reason is because it's from the same show and Toei doesn't want to make a new unique belt for every future rider. In-universe, however? That's because those belt buckles are based on their savior's, which is Geiz's own Zikū-Driver.
  • Given how Kamen Riders are usually connected to the evil they fight in some way, it would be more likely some evil organization saw the potential power of the Zikū-Driver and tried to replicate it, only for it to fall in the hands of future Kamen Riders who would use the evil power for good.
  • Another explanation? The Future Riders use modified Zikū-Drivers because they were created by Sougo's dreams and his time manipulation made them into reality, so they are connected to a future evil, Ōma Zi-O.
• White Woz doesn't just change the future, he directs the future to go a certain way, little different from a movie director. This is further hinted by one of his motifs (Film), Futurings (which closely sounds like "featuring", a word seen commonly in movie posters), him being dressed very similarly to artists and directors, topping it off with the beret, and the very way his BeyonDriver announces.
• Fitting White Woz' director motif, the four Futuring forms that Kamen Rider Woz can access each represent a popular genre or theme in film and television:
  • Shinobi represents Ninja films and the Gratuitous Ninja trope common in 80s American cinema.
  • Quiz is the odd one out, as he represents game shows, which are TV shows instead of films; the closest film representation may be Slumdog Millionaire.
  • Kikai represents dystopian films featuring a Robot War, such as The Terminator.
  • Ginga represents 50s retro sci-fi, such as Plan 9 from Outer Space.
• Geiz is quick to agree with Sougo's idea to distinguish the two heralds as 'Black Woz' and 'White Woz' in #18. This might look odd given their complicated relationship, but the explanation is simple. Whatever annoys Woz is welcomed by Geiz.
• The way White Woz can rewrite reality with his futuristic book makes more sense if you compare it to Black Woz's old fashioned book. White Woz's book is essentially a tablet for words that can be edited if there is a mistake that needs to be corrected while Black Woz's book is ink-printed and any mistake can't be undone once printed out.
  • In other words, White Woz can freely manipulate the current future that doesn't belong to his own future timeline while Black Woz can only give guidance and follow the events that has been set.
  • The real brilliance sets in when you look at what their books really are. Black Woz has a history textbook; rigid, unbending, and absolute. White Woz has a movie script; while certainly going in one direction, it is malleable and can change on a whim to suit the situation, but there has to be some plot justification, the same way White Woz can only cause things that already had a chance of happening.
    • This also appears to be a meta Fridge Brilliance as 'Woz' sounds like 'was', even though his(White Woz's) powers are based on Future Riders. Then this power is taken from him by Black Woz, who although still uses the powers of Future Riders, comes from a sort of 'old' future(the one where Oma Zi-O rules) whereas White Woz comes from a 'new' future(in which Geiz Revive defeated Oma Zi-O). In a sense, Woz(both Black and White) turns the new to old, making it what it 'was' rather than what it could be.
    • Alternatively, Woz was the latest Rider to join Sougo, until the 11th-Hour Superpower-appearance of Kamen Rider Tsukuyomi. This also applies to the alternate timeline, the Rider who used the power of Future Riders is now just a Rider that 'was'.
• The Time Mazines that the Time Jackers have come from shows that match that of their personalities.
  • Heure has Captain Ghost, from Kamen Rider Ghost. The show has a Slice of Life feel to it and has one of the more optimistic Riders in the franchise. What better inspiration for a carefree kid to follow?
  • Ora has Castle Doran, from Kamen Rider Kiva. Considering the tragedies that go on in that series, it makes sense for a woman focused on invoking tragedies to manipulate people into becoming Another Riders.
• Kamen Rider Geiz is nearly entirely red despite being the second rider and being more in line with an Anti-Hero. But then it's revealed a potential future has him beating Ōma Zi-O and being considered the savior.
• Why the change from Another Riders based off primary Past Riders to Future Riders (Shinobi, Quiz, Kikai) or minor Riders (Ryūga)? Note that this change to Riders other than the primary Riders of each year happened right after Sougo obtained the Decade Ridewatch. It's entirely possible that using the Decade Ridewatch, which gives the user the power of all nineteen Heisei Riders, allows Sougo to defeat the main Rider without having to obtain their Ridewatch. All he would have to do is set the Ride HeiSaber to whatever Rider he's fighting and finish them off. This method, however, doesn't work on Another Riders who aren't main Heisei Riders, like the Future Riders or Ryūga.
  • The Watsonian reason that Another Ryūga is used instead of Ryūki? Because Ryūga is already the Evil Twin of Ryūki. In the same way that Another Αgitω is already the Evil Twin of the normal Αgitω, Ryūga is an already existing template of what an inverted Ryūki would look like. Not to mention, Another Ryūga is made from Dark Shinji, who is already an inversion of the real Shinji by nature.]
  • In a way, Zi-O did beat Another Ryūga with the same power he uses, but unlike the normal Ridewatch-obtaining process, Sougo obtains the other half of the Zi-O II Ridewatch from his mirror counterpart. So basically Ryūga was not defeated with his own power, but a power which had the same property of his origin (the Mirror World).
• Kamen Rider Woz's Futuring forms changing his "strap" design instead of giving him Armor is likely in line with how a number of smartwatches feature customisable straps.
• In theory, White Woz and Black Woz represent the bad sides of the ones who oppose each Rider's future. White Woz is a smug Knight Templar who can influence the future, matching Ōma Zi-O's arrogance and control over time. Black Woz is a pragmatic chessmaster, mirroring Geiz's very direct approach with Tsukuyomi's educative approach of trying to convince Sougo to change his future by his own choice by simply telling him how bad it's going to be if he doesn't change.
• It's fitting for Zi-O to use the Double Ridewatch against Kamen Rider Woz, as he is asking White Woz to count up the crimes he committed in his pursuit of creating Miridewatches.
• There are three Ridewatches for the three main characters Rider forms, and only two are in Japanese script, Sougo's and Geiz's, and the third is in English, Tsukuyomi's. At least until you realize Tsukuyomi's isn't in English, it's in rōmanji!
• It is fitting that Zi-O II would have an Artoria-styled finisher. After all, he is now the Once (past) and Future King.
• Why weren't Sougo's attacks reflected once he became Zi-O II? Because by that point, Sougo accepted his mirror self and therefore, his mirror self is now on his side and wouldn't attack Sougo.
• At first it seems Tsukuyomi's decision to kill Sougo seems sudden at the end of episode 22 but considering how she stated she believes that Sougo could never become Ōma Zi-O at the start of the episode, it makes sense. Tsukuyomi having seen how kind present Sougo is like Geiz couldn't mentally connect Ōma Zi-O with the current Sougo, thinking of them as completely different people. Even thinking it was impossible for Sougo to become the Evil Overlord that she knew. But seeing Sougo using powers that Ōma Zi-O has finally let her realize that Sougo truly does have the potential to become Ōma Zi-O, deeply scaring her.
• Kamen Rider Decade gave its main riders subtractive color themes (magenta for Decade, cyan for DiEnd, and gold instead of yellow for Kuuga). Zi-O does the same for the riders' visors, with Zi-O having magenta, Geiz having yellow, and Woz having cyan. This is most obvious with Zi-O Trinity, which unites the power of all three riders.
• Mirror Sougo can be represented as Sougo's deepest fear of him turning into Ōma Zi-O due to the former constantly mocking the latter about his future destiny.
• The female Humanoise posing as a candy shop owner was smart: Robots like them don't eat, thus anyone who comes in to buy a candy from her is most likely a human that needs to be eliminated.
• At first, Geiz's super form being based on an hourglass seem weird, until you realize it represents the moral dilemma Geiz faces on how to prevent Ōma Zi-O's future.
  • The blue colored Geiz Revive Shippū represents the "kill Sougo" decision. It is a speed-based form representing this decision being the quicker way to deal with the problem. It having a lower defense stat represents how easy it can be for Geiz to lose himself and his morals if he goes down this path.
  • The orange colored Geiz Revive Gōretsu represents the "befriend and guide Sougo" decision. It is strength-based, representing the strength Geiz needs to resist the temptation of the other path. Its lower speed stat represents this decision being the slower of the two.
  • Geiz Revive is also a Deadly Upgrade, slowly killing Geiz by rapidly expanding and contracting time around him. Hourglasses are often used to symbolize the length of one's time on Earth, and when it runs out, one dies. In a poetic sense, Geiz Revive is robbing "sand" from Geiz's own "hourglass".
• How come Another Zi-O's date is 2019 rather than Zi-O's actual year of origin, 2018? Because 2019 is the year Zi-O truly starts to gain his own powers separate from the Ridewatches of past riders, in the form of the Zi-O II Ridewatch, which also explains why Another Zi-O has Combat Clairvoyance.
• Given that the Geiz Revive Ridewatch was made from the original three Miridewatches, it would make sense that the Revive form had some homages to the three Future Riders.
  • Revive Gōretsu is the strongest of the two forms, and has a higher punching stat. Kamen Rider Kikai was a Humanoise/Robot themed Kamen Rider that had primary focus on powerful punches.
  • Revive Shippū is the fastest of the two forms. Kamen Rider Shinobi was a ninja themed Kamen Rider, and used speed to his advantage against his foes.
  • Finally, both Revive forms share the color scheme of Kamen Rider Quiz (red/orange for Gōretsu, and blue for Shippū). Also since Geiz Revive Ridewatch allows for instant form change, it can easily confuse enemies fitting the Quiz's Confusion Fu fighting style.
• Geiz Revive can beat Zi-O II despite Zi-O II's massive power due to:
  • Revive Shippū is so fast that Zi-O II's Combat Clairvoyance means nothing if Sougo can't react in time to even use the power.
  • And if Sougo does grab Revive Shippū to stop his speed, Geiz can just change to Revive Gōretsu whose strength means the close distance is now to Geiz's advantage.
  • Finally Geiz can switch between the forms instantaneously meaning Sougo can't correctly react.
• In the series, there are two characters who seemed to share the Guardian mold, which are Kamen Rider Kikai and Kasshin, the latter being Ōma Zi-O's servant. As we explored that Kikai is a product of Sougo's childhood toy robot given life from his growing power as Ōma Zi-O, one can argue that Kasshin would have Kikai's analogue in Ōma Zi-O's timeline.
• A very interesting tidbit that can be noted with the names of the Time Jackers, a very interesting piece of Fridge Brilliance comes in once you realize their names in the order that they were introduced; Heure, Ora, Swartz, and Tid. They spell out HOST, something that they are constantly looking for in the series events.
• The reveal that blank Ridewatches can steal a rider's powers explains how Ōma Zi-O was able to steal the Heisei's riders powers since they were unlikely to just give them to him like our Sougo.
• After being revealed as the one who instilled the desire to become king into Sougo, Swartz forcing his candidates to become Another Riders makes more sense. He's already got his perfect candidate for becoming Ōma Zi-O so why bother searching for another candidate? Turning people into Another Riders is likely just to keep the other Time Jackers from getting suspicious and to keep the timeline going the way he believes it should.
  • Also by creating weaker Another Riders, he's forces Sougo to gather the Heisei Rider powers as he wants while making it harder for Sougo to lose.
• Back in Episode 16, even though Ōma Zi-O was erased from existence, the Dai Mazines and Kasshin still existed, and Swartz was even able to reprogram the Kasshin in the present to assassinate Geiz and Sougo. With the revelations of #27, it makes sense: The Dai Mazines and Kasshin were never made by Ōma Zi-O, they were made by Swartz, who would know how to control them better than anyone.
• Kaito's debut in Zi-O's Blade (♠) arc, come as a very huge moment of fridge: not only does it neatly tie in with Tsukasa's cameo in the previous two episodes, but also remember his debut in the original Decade series; he first made his cameo in the World of Blade (♠), at the end of the second part, and the fact that the World of DiEnd is based off the events of Kamen Rider Blade: Missing Ace.
• A lot of Tsukuyomi's actions from episodes 23 to 27 make a lot more sense if you remember her initial attempt to prevent Ōma Zi-O from rising. She tried to stop Sougo from even becoming Zi-O, thinking he was doomed to become Ōma Zi-O if he gained that power. This shows she's something of a fatalist and thus moment Sougo gained Zi-O II's powers which are the same powers as Ōma Zi-O, she resigns herself that he's destined to become the tyrant she knows.
  • Episode 32 also reveals she thinks Time Power is inherently corruptive in Episode 32 which further explains her mindset.
• Geiz not being able to handle Geiz Revive's power makes sense as unlike Sougo and Zi-O II which is a natural extension of his time powers, the Geiz Revive Ridewatch came from Shinobi, Quiz and Kikai's powers. Geiz simply can't handle the power that far exceeds his own powers.
  • It's also a neat Call-Back to how other Riders couldn't handle rapidly upgrading to new levels of power (Grease Blizzard, Brave Fantasy Gamer, and Type Deadheat)
• The reason the Zi-O Trinity Ridewatch was created through White Woz and not Black Woz? Simple, White Woz was the original wielder of Kamen Rider Woz so it makes sense the Ridewatch is created from him, Zi-O II and Geiz Revive Ridewatch.
• During Zi-O's fight against Another Blade (♠), the former has a hard time fighting due to the latter having thick armor akin to Blade King Form (♠), it is necessary for Zi-O to use Gaim Armor to have an equal ground to fight Another Blade (♠).
• The three riders fighting Woz in #29 (DiEnd and his two summons, Baron and Knight) all relate to Zi-O somehow. DiEnd is from Decade, the previous anniversary season. Knight and Baron are from Ryūki and Gaim respectively, two chaotic battle royale-esque series. Even better, they are Geiz's foils. Ren needs to kill Kido to advance in the Rider war, whereas Geiz needs to kill Sougo to save the future. Both are stopped and forced into situation where they start to like their adversaries. Kaito is a negative reflection of both, showing all of Ren's bad qualities and everything that Geiz doesn't want to be as apparent by their meeting in the Gaim arc of Zi-O.
  • And as for Kamen Riders Accel and Birth? Well, they made their proper fighting debut in the next years and their Rider belts are contrasts to the titular Riders. Birth and Accel just need one collectible to transform, whereas their title Riders need two and three sets altogether to complete a single form.
• Another slight possible reason besides plot purposes as to why Amane is Another Blade: Kenzaki's Category Queen, Yazawa/Capricorn Undead is male, whereas the other three were female.
• The reveal that the Future Riders are from Sougo's subconscious power to manipulate the future hints at how all three were created from some fear Sougo is hiding.
  • Kikai is the most obvious being Sougo's toy brought back to life. Kikai's story has him turning against his kid friends and they nearly give up hope that their friend was a good person. But Sougo is able to reconcile their friendship which shows Sougo's desire to reconcile with Geiz and Tsukiyomi who at the time of the Kikai arc didn't trust Sougo.
  • In the Shinobi arc, Renataro wants to do good but is scared that he'll never grow strong enough to protect the weak thus he clings to the powers of Another Shinobi in fear. Sougo told 2019!Rentaro to trust his future self, words that Sougo would repeat to Dark Sougo in the Ryūki arc. Showing that Shinobi was the result of Sougo's fear of his possible future as Ōma Zi-O but desire to believe that he'll become a better person.
  • Mondo's quest in the Quiz arc was to find out if his father truly loved his mother and thus by extension himself. We have since learned that Sougo only started to desire to be king after his parents were killed. Sougo might wonder if his parents could love him if they knew he would grow up to be Ōma Zi-O but desires that they would just as Mondo found out his father truly does love his mother.
  • Ginga also factors into this, if one assumes he was also created by Sougo's timeline powers. He's a villainous ruler with astonishing power who comes out of nowhere to ruin people's lives. Sound familiar? He's how Sougo sees Ōma Zi-O, his own future self. His fears of what he could become ended up creating a creature that is almost exactly like Ōma Zi-O. They have multiple similar traits in their Rider costumes, which is likely not a coincidence. Hell, Ginga even has a baritone similar to Ōma Zi-O's.
• DiEnd uses a Dimensional Wall from Decade to reveal the person he's been working with, Ōma Zi-O, who exists in the future instead of an alternate reality. This is not without precedent; the shimmery wall was all that was needed to go from the World of Black RX to the World of Black, which was really the year before.
• The reason why most of the early Heisei Riders are in modern times as opposed to their respective years like the other, later Heisei Riders is pretty simple: the Decade-Build Riders don't look like they've aged one bit, whereas the earlier Heisei Riders have. Rather than attempt a Fake Shemp when the Riders go back to the past to better resemble their original versions, they decided to emphasise on the fact that they're Older and Wiser by setting them in modern times.
• Word of God states that due to the piling time paradoxes, Another Riders no longer steal the histories of their respective Riders. Another explanation for why Riders and their Another Rider counterparts can now co-exist can be that Sougo's growing power over time is allowing him to subconsciously stop the Anotherwatches from erasing a Rider's history.
• When one thinks about it, the three Future Riders Shinobi, Quiz, and Kikai each symbolize a part of what it means to be a Kamen Rider.
  • Shinobi- A Kamen Rider is usually the product of evil forces but thanks to their Heroic Willpower, they can overcome their evil natures and become true heroes. Kamen Riders also rarely, if ever, get thanked for their heroics but that doesn't stop them from continuing to fight evil in the shadows.
  • Quiz- A Kamen Rider sometimes has to deal with hard choices but they will always pick the right answer, the answer being to save the world.
  • Kikai- Above all, a Kamen Rider is a protector of children and will do anything to protect their smiles.
  • Ginga- A slight inversion, as he represents Dark Riders rather than heroic Riders.
• The purpose of the restarted Rider War in Zi-O is different from the Rider War in Ryūki:
  • First, the restarted Rider War isn't about a battle royale to the death over a single wish but instead a battle to find the right person to defeat Another Ryūki.
  • Secondly, the organizer of this Rider War is Sara which is dying from her illness and wanted to prevent the death of innocent people for her sake; which is starkly contrast to Shirō Kanzaki that organize the previous Rider War which has been manipulating and killing people for the sake of saving the life of his sister, Yui.
• The absence of Ryūki and Knight Survive Form and the Badass Decay of Odin have a good logical explanation if one think about it:
  • Sara doesn't really know how the Mirror World and the Rider System work like Shirō Kanzaki did. Meaning she doesn't have a method of accessing the Survive Cards and granting them to the Riders.
  • Odin suffering from Badass Decay is because this Odin is an actual person that willingly transforms but doesn't take advantage of its Story Breaking abilities like the Teleport Spam and Time Master powers and only relies on its powerful Finishing Move. Meanwhile the Odin that Shirō Mind Controls to do his bidding are always Unskilled, but Strong, but they always used their broken abilities to have an edge in the middle of the battle.
• The last scene of Rider Time: Kamen Rider Ryūki has the Dragreder and Darkwing Advent Cards disintegrating when Shinji tosses them in the air. Given how Ridewatches usually work, of course they would disappear. They're not really supposed to be there since there's already Ryūki and Knight Ridewatches.
• Tsukuyomi not knowing who Oda Nobunaga is but Geiz does makes much more sense when you realize she has amnesia. She probably forgot it and was never retaught it since as part of the Resistance, history isn't that important.
• In the previous tribute arcs, the secondary rider usually did at least decent against the Another Rider if they fought said rider, but come the Αgitω Arc, Another Αgitω tears through multiple Kamen Rider G3s with little difficulty. It might seem odd at first… until you remember that the G3 system fared poorly against the Lords in its home series. It wasn't until Makoto Hikawa switched over to the G3-X that he had more success against the Lords; up until that point, the majority of victories against the Lords were by either Shouichi or Ryou (Gills).
  • Also adding to that it wasn't Makoto in the suit. So not only are the G3 too weak but they don't have any experience fighting anything like the Another Αgitωs.
  • Furthermore, G3 is based on Kamen Rider Kuuga, and by the logic of the show wouldn't be able to defeat something based on Αgitω.
    • Lastly, at the end of Αgitω showed the G5 system being announced, yet here the only thing available is the G3 (not even the G3-X). Although the reason out of universe is obvious (Toei not wanting to spend money on a new suit), in-universe, either the program never got off the ground due to the Overlord of Darkness telling the Lords to back off at the end of the series (and thus the G5 system lost it's purpose), or it did get off the ground, but more G3 units had been made (and were more available).
• It makes sense that one of the only beings capable of beating a opponent with immense power over time like Zi-O is a master over the powers of space like Ginga.
  • During Another Drive's rampage, it seems that Woz Ginga-Finaly can render a Roidmude's Heavy Acceleration obsolete. This is due to time dilating, or moving slower, in space than on Earth due to the presence of gravity and relative theory. This is first explored in Ex-Aid Another Ending: Genm vs. Lazer when Genm in God Maximum Gamer used Cosmic Chronicle, thus allowing Kuroto to have his own Space Master powers. He is able to bypass Cronus's Pause like it was nothing before hurling the moon on Masamune's face.
• What are the final Ridewatches (as of the Hibiki arc) that are to be collected? Kiva, Kabuto, and Den-O, three of the four Phase 1 Heisei Riders who had plots involving Time Control and Time Travel.
  • Among them also includes Drive, which also involved Time Travel in its movies.
• Kiva Armor is the only Rider Armor that changes the color of Zi-O's eyepiece. Why? It's corresponding Rider got his powers from the Fangire, monsters with bodies akin to stained glass. Essentially, Kiva(and by extension the Fangire)'s powers stained the eyepiece glass!
• The statuettes on Zi-O's final form mirror Ōma Zi-O's Kamen Rider statues.
• Yuko kept pretty good control over Another Kiva, and unlike many Another Riders kept control of the power, not going on a mindless rampage. Even her rampage at the end was exactly what she intended. Why? Because she was ALREADY a horror movie monster before becoming Another Kiva. She's an implacable-type serial killer with an extremely inefficient weapon (in this case manhole covers) who seldom accelerates above a walk.
  • She also is already crazy. The Anotherwatch did little more than inflate her already-impossible ego, still allowing her control of herself.
• Sougo hesitating to use the Kiva Ridewatch in the climax of #36 echoes not only of the fact of his (misled) feelings for Yuko, but also that a similar struggle happened with Megumi and Yuri attempting to use the IXA gear in #19 of Kiva, especially since both episodes were written by Inoue.
• In the Kabuto arc, when they destroyed Another Kabuto the first time, it reveals KickHopper underneath. In other words, KickHopper is Casting Off his outer shell, just like the other riders in Kabuto.
  • Alternatively, the next episode shows that Yaguruma transforms into Another Kabuto from KickHopper in a manner resembling a twisted Cast Off. Transforming back into KickHopper to protect the Anotherwatch is like using Put On to return to the more heavily armored form.
• The point of the Blade (♠) arc is for the Time Jackers to unleash a horde of Undead to invade the Earth and ending the world. In the next arc, Αgitω, they use Another Αgitω to spread itself like a virus. Two arcs later in Kabuto, meteors carrying Worms are falling on Earth. It seems like the Time Jackers really tried to stop Zi-O by overwhelming him with a horde of monsters.
  • Adding to that Heure and Ora are interested in gathering the Ridewatches now instead of just the Anotherwatches as seen in the Αgitω and Hibiki arcs. They know that Sougo is getting close to becoming Ōma Zi-O and they're interested in stopping his rise thus the change in tactics.
• Kenji Matsuda not reprising his role as Kamen Rider Zanki makes sense given how Hibiki was not negated out of existence. Zanki's still dead.
• Throughout the course of the show, Sougo has interacted with the mechanics or toys of some of the Rider seasons he crosses with or replicated past events in some way other than the Ridewatches. He has a self form another time where he is more dangerous than he could've thought, played a game with Bugster virus, made friends with people despite their insistence he doesn't, used special machines disguised as ordinary objects, brought hope to someone who fell into despair, used machines that turn into animals, interacted with the Helheim Forest, died, has met with past Riders and helped them as they loaned their power, had a strong rivalry with a red Secondary Rider, became feared for his immense power, spoke to his Mirror World self, stopped the end of the world via sealing Undead powers, dealt with a horde of malicious psychic monsters, helped someone to train and better themselves as a person, had relationship troubles, had two separate incidents with alien invasions, had his friends possessed by the Taros, and had confusing time travel shenanigans. Fitting how in order to acquire the powers of all other Riders, he must first step into their roles, even temporarily.
• In #39 the Grand Zi-O Ridewatch was made both without the Drive Ridewatch being formed, and the Den-O Ridewatch wasn't assimilated into it, and instead was still in his hand. To answer the first problem, the Drive Ridewatch that Geiz brought back was likely a decent substitute for Grand Zi-O. To answer the second one, the lights that went from the Ridewatches into Sougo's hand were likely not the Ridewatches themselves, but instead aspects of their power and Rider histories, to help craft Grand Zi-O's Ridewatch. The Ridewatches are likely still on the Ridewatch Daizer.
• Momotaros suddenly having the ability to possess himself from the past actually makes sense if you see it as his current memories briefly entering his past self, according to newer time travel rules established by X-Men: Days of Future Past and Deadpool 2. Also, Kamen Rider Den-O really did establish how memories are time.
• When Oma Zi-O said that the power of Grand Zi-O isn't a match for his power, this may be a case of Badass Boast for Ōma Zi-O but he actually pulls off a Villain Has a Point towards Sougo:
  • Notice that when Sougo is transforming into Grand Zi-O, he puts the Zi-O Ridewatch into the main slot instead of the Grand Zi-O Ridewatch, which heavily implies Sougo is subconsciously holding back his true power from being fully manifested.
  • To further support above point, look the position of the Ōma Zi-O Ridewatch in Ōma Zi-O's driver. Him putting the said Ridewatch into the main slot indicating he unleashing his true power without any kind of Restraining Bolt to him and compared to Sougo who is using Grand Zi-O like his regular transformations as an armor instead of using it as his main form.
• How Geiz Revive was killing Geiz when he initially used it, and how the weakness was removed. The producers said it was due to adapting to the power, but what if that wasn't the full reason? White Woz was aware that Geiz could die. Hell, he even expected it. It's possible that in the Revive timeline, Geiz did die, as a Heroic Sacrifice to stop Ōma Zi-O. And him continuously receiving damage was related to that. But when the Revive timeline was no longer guaranteed and Geiz stopped fighting Zi-O, Geiz wasn't fated to die anymore, therefore allowing him to adapt to Revive's power.
  • In the Blade (♠) arc, that occurred right after Geiz and Sougo fully became allies, the Zi-O Trinity Form was formed which gave Geiz a safe alternative to Geiz Revive. Thus he has more time out of the dangerous form which gives him time to adjust to its powers. In the Another Zi-O arc when Geiz first got Geiz Revive, he transformed into it five times in the span of two days, once against Sougo and Hiryu, once against just Hiryu, twice against Black Woz and once teaming up with Sougo against Hiryu. Makes sense his body reacted horribly to the power, not only did he just get it but he was borderline abusing the form.
• Why doesn't Woz announce the debut of Grand Zi-O and choosing to just relish in the moment? Because the transformation jingle already did the whole "Iwae! Kamen Rider Grand Zi-O" bit of his so doing it twice would be taking away from the awesomeness that is Grand Zi-O.
  • The other time he doesn't announce Sougo's new form (at least at first) is when Sougo actually becomes Oma Zi-O. However, in this case, it's not so much he didn't feel the need to announce it, but rather, he didn't expect that he would be able to - by that point in the show, Woz likely has accepted that this version of Sougo won't become the same kind of king as Oma Zi-O - if you pay attention to Woz's voice after Sougo's transformation into Oma Zi-O, it's a mixture of hesitation and surprise.
• Five of the last Ridewatches Sougo needed to obtain before obtaining the Grand Zi-O Ridewatch are Riders for whom theoretically anyone can become said Rider. Anyone with the potential to can become an Agito. Anyone can train to become Hibiki, anyone can capture the Kabuto Zector to become Kabuto, anyone possessed by the Imagin crew can become Den-O, and anyone wearing the Drive Driver can become Drive. However each has their own problems that prevent everyone from becoming said Rider. Most Agitos end up being too scared of their power or are hunted down. The amount of training (both physical and mental) needed to become Hibiki is so hard that most would quit within a week, the Kabuto Zector will fight back if someone forcefully tries capturing it, becoming Den-O requires that the wielder be a Singularity Point, and becoming Drive requires a mental state that few can reliably invoke on command.
• How did Another Den-O II survive so many Rider finishers before finally being destroyed by the combined finishers of Zi-O, Build, Gaim, OOO, and Kuuga? Because none of those finishers came from Den-O himself and thus, the rules of being an Another Rider kept Another Den-O II from being permanently destroyed until that rule was overwhelmed by the sheer power of being hit by several Riders all at once.
• It's fitting that Woz GingaTaiyo form debuts during the "Kabuto Arc", given that in his home series Tendou often compared himself to the sun.
• It's subtle but episode 41 gives us the reason why Tsukasa's photos tend to be distorted. When he first appeared in Zi-O when he took a picture it wasn't distorted, in the Another Zi-O II timeline, the picture he takes is distorted. Going along his actual purpose this would mean the pictures are capturing how distorted the world is compared to what's supposed to be the normal world.
• Ōma Zi-O pulling Sougo to his time is simply an application of Grand Zi-O's ability to summon any of the twenty Heisei Kamen Riders, in any of their forms, to their side. Zi-O is one of those twenty Kamen Riders.
• The Drive Ridewatch came from a timeline where Sougo forcefully took the powers of the Heisei Riders, rather than the powers being willingly given to him. Of course Drive wouldn't obey our Sougo when Sougo neither stole or was given his powers . That particular Drive belongs to Ōma Zi-O and only obeys his commands.
  • It's especially fitting that it's Drive's powers that Ōma Zi-O turns against Sougo. Gold Drive loved to use his powers to steal the weapons of other riders and to use them to attack their wielders.
• Fitting that the two Another Riders that Time Jackers have willingly chose to turn into are based on Kuuga and Decade, which are riders that are described as having enough power to destroy worlds.
• Kamen Rider Decade becomes a more active player in the series after 2019. It makes sense, since it's been a decade since his own show.
• The reveal that Grand Zi-O is an incomplete version of Sougo's true final form makes sense when we see how cobbled up the form looks to Oma Zi-O and Sougo's own Oma form more sleek look.
  • It is more that Sougo is restricted to powers of all 20 Heisei Riders, just that the forms go beyond that.
• When Woz said to Geiz that he had become a follower to Sougo, Woz wasn't lying about it because in a truly literal sense, he is a follower to Sougo and to be precise his right hand man as seen on this picture.
  • To explain even further, as Geiz has abandoned his quest of killing Sougo in order to prevent him from becoming Ōma Zi-O and declaring that he will watch over Sougo, thus essentially making him a Foil to Woz's The Corrupter trait to balance out the influence from Woz with the guidance from Geiz.
• Regarding how Sougo managed to even finish off Another Drive in the first place, Drive's power happens in full capacity when the proper emotion to use a given form gets set and attained at the time. Seeing Ora stab Heure and Another Drive mock the latter's death was enough to make Sougo driven with anger to become Grand Zi-O and summon Drive to help out on scrapping the Roidmude.
• Tsukasa used to be the Big Bad of the multiverse until he had a Heel–Face Turn and became the Big Good instead. So it's fitting that Another Decade is the Big Bad of Zi-O, the Time Jacker Swartz.
• Decade can only use the power of nineteen Riders unlike Zi-O who can use all twenty of the Heisei Rider powers. But if you add in Swartz's own inherent time powers to Decade's powerset, you get a being that can rival Ōma Zi-O's power.
  • Not to mention that Decade actually does have a Zi-O form.
• The reveal that Swartz's plan was to steal Sougo's powers at the height of his strength helps explain what exactly White Woz's plan was, he wanted Swartz to steal Geiz Revive's power instead. The Day of Oma arc is essentially Swartz and White Woz betting who would be stronger, Oma Zi-O or Geiz Revive and the winner would have their power stolen by Swartz.
• Episode 47's reveal that Tsukasa put half his powers into the Decade Ridewatch explains why he never used Complete Form; his power was literally incomplete since day one!
  • Him leaving half his power in the watch also displays some more tactical wit; by leaving part of his power in the watch and giving it to Zi-O, when he reclaimed it that power had soaked up Zi-O's essence, thus giving him the Zi-O card, allowing him to complete his collection of Heisei Rider powers. Him giving Zi-O the watch was likely his way of getting the Rider Card, much like how in his own series he had to help the other Riders with various issues before he got their powers. Albeit, in this case it was a tad bit more complex than usual.
• The Future Riders' arcs have a few connotations to the three Rider seasons without full tributes:
  • Shinobi/Kuuga: Both were the first of their respective sets (Heisei and Future Riders) and were mystical-based.
  • Quiz/Double: Both Mondo and Shotaro wear hats, use extensive knowledge (Gaia Library/keywords and trivia), and Sougo even used WArmor against White Woz in #20.
  • Kikai/Drive: Both are mechanical/technological in nature and deal with Killer Robots.
• The Riders of Quartzer are all based off "lost" Heisei riders, usually in groups of three. Woz being a part of Quartzer fits this same mold as well; his abilities are based off the future riders, or Heisei riders who didn't exist yet.
• The final episode reveals that Oma Zi-O is the result of absorbing every Ridewatch but that begs the question of where did Sougo even get all those other watches besides the 20 main Heisei Riders and some of the secondary Riders. But the final episodes also reveal that the main Heisei watches hold not just the power of their respective Rider but also their world's history as shown as when the watches break, the Rider's history mixes with Sougo's world. Thus the main watches that Sougo collected also contained the powers of the various Riders that appeared in those series. That explains why Oma Zi-O told Sougo the remaining watches were the key to become king, the main Heisei watches allowed Sougo to unlock every Riders' power and become Oma Zi-O.
• A meta example, Seiji Takaiwa as the live actor for Oma Zi-O does make sense since he was the main suit actor for 18 out of the 20 main Kamen Riders but if you want to count Decade transforming into the remaining two Kamen Riders he wasn't the main suit actor for but still wore for that situation, Kuuga and Hibiki, he wore all 20 of the main Kamen Rider suits, which in a way, makes him the physical manifestations of all the history of the Heisei Riders.
• Kiriya becoming Hibiki in Zi-O mirrors how an AU Asumu became Hibiki in Decade (and in a Hyper Battle Video). In other words, despite fighting each other for their mentor's approval, in the end, they're both worthy of inheriting the name of Hibiki.
• Each of the Time Jackers became Another Rider from a different era (with the obvious exception of Reiwa)
  • Showa: Finis with Another Ichigo.
  • Heisei: Tid with Another Kuuga.
  • Heisei Phase 2: Ora (or rather the Roidmude mimicking her) with Another Drive.
  • Future Era: Huere with Another Kikai.
  • The Grand Finale to Heisei's Phase One: Swartz with Another Decade.
• In the final stage show, a third version of Woz shows up who's a zealous supporter of Tsukiyomi, but his name is Red Woz, as opposed to Grey. Why? Chess reference - in some chess sets, red is used instead of black^note in fact, chess sets used to be red and white instead of black and white; it was only after the War of Roses that red fell out of favor, and ebony becoming more favorable because of it's color and durability, that Red was replaced, and sure enough, Red Woz is ultimately revealed to be a brainwashed Black Woz.
• Another Decade actually follows Kamen Rider Decade's unique MoTW tradition of an Arc Villain whose existence was solely due to Decade's own presence in a Rider's World.
  • Not to mention, Decade's whole show gimmick is that he visits alternate versions of past rider timelines. Now, when did he become an active ally to Sougo in the show? During the Another Zi-O II storyline, where said character altered the entire Zi-O timeline up to that point.
• It's odd seeing how a lot of Another Riders representing Heisei's first Phase are made in 2019, before you realize that Another Riders only have thirteen years before their powers die off unless they take the Another Watch of another Rider. This was a way to write around the issue.
• Most of the Another Riders made by the Time Jackers have some connotation to them:
  • Build: Heure being the one who turned the basketball player into Another Build echoes him having a similar role to Kiba.
  • Ex-Aid: As a Medical Drama, Ex-Aid deals with how the Doctor Riders try to find a way to save their patients, in which most have a loved/close one hoping for their recovery, something that Ora does regarding Ida when his son Keisuke was diagnosed.
  • Fourze: Fourze deals with power, both for friendship and the Big Bad's goals, which ties into both Swartz's desire for power and him giving Sakuma additional power via Another Fourze when the latter's other powers start fading away.
  • Faiz: Ora turning Sakuma into Another Faiz echoes 555 being a show dealing with miscommunications and tragedies that come with relationships, as well as Ora having a similar role to Saeko in this series.
  • Wizard: While Heure kickstarting Hayase's tenure as Another Wizard could possibly echo younger people being engaged with magic, Ora being the one to ignite the latter's rampage echoes how some of the Phantom cases link to the Gate's loved ones, as well as Ora having a similar position with Medusa in this scenario.
  • OOO: Heure turning Kuroto into Another OOO could be interpreted as yet another method of the lad's desire to make a new king to overrule Oma Zi-O, with desires being a major concept in OOO.
  • Gaim: Gaim deals with how individuals handle the power they have and what they do with it, something Swartz does with his rare choices of Another Rider victims.
  • Ghost: In addition to Heure's Time Mazine being Captain Ghost, Ghost's more uplifting nature and Takeru's youthful nature would definitely have some appeal to the mischievous Time Jacker.
  • Double: Another Double serves as The Dragon to Tid, a power-craving Time Jacker whose unstable mentality and appearance could echo with the madness of Memory overuse that Dopant users have.
  • Kuuga: As Another Kuuga himself, Tid seeking power and corrupted mentality would bring to mind of the Gurongi, with his Omnicidal Maniac tendencies due to his instability echoing N-Daguva-Zeba and his love for violence and corrupted power.
  • Ryuga: A correlation due to Heure turning Dark Shinji into Another Ryuga, but the fact that Ryuga's home series Ryuki deals with the Riders fighting each other till only one remains could be seen as a Deadly Game or a battle tournament, which could possibly engage someone like Heure.
  • Zi-O: Swartz spends most of the series desiring power and forcing it upon a few, especially with Sougo and Hiryu; by making Hiryu Another Zi-O, Swartz ultimately gave the latter unbridled power to not only enact his misled revenge on Sougo, but also give him the ability to temporarily rupture the timeline so that he would be the Demon King in Sougo's stead.
  • Blade: Arguably the only Heisei primary Another Rider not directly caused by any of the Time Jackers, but instead by White Woz, brings to mind of the latter acting as some type of Wild Card in the grand event of his own selfish desires, not unlike many of the Undeads.
  • Agito: Swartz being responsible for Another Agito echoes how the Seed of Agito brings unfathomable power to those bestowed upon it and the perils it ignites upon those individuals, which would appeal to Swartz's power-hungry nature.
  • Hibiki: Heure turning Tsutomu into Another Hibiki echoes the former being a young lad, somewhat like with Asumu.
  • Kiva: Not only do Ora's choices for Another Riders involve people with some form of love issues, especially in this case Yuko, but in addition to her using Castle Doran as her Time Mazine, Kiva was a series showcasing romance and all the happiness and tragedy that comes with it.
  • Kabuto: Heure granting Yaguruma the power of Another Kabuto echoes the Time Jacker having a somewhat similar role as Kageyama.
  • Den-O: Ora turning Takuya into the second Another Den-O echoes how some of the Imagin cases relate to love (such as a man who lost his wife) and how a recurring plot point in Den-O being about Airi's fading memories of her fiance Sakurai.
  • Drive: Swartz presumably being the one responsible for Paradox from Another World being Another Drive echoes not only of how the Drive System encompasses power to the user, but also with the likes of Tenjuro Banno wanting to have the power to rule over others via the second Global Freeze. By extent, Paradox impersonating Ora echoes both the latter using other people's loves to turn them into Another Riders and Shinnosuke's developing feelings for Kiriko thorughout Drive.
  • Decade: Being Another Decade himself, Swartz uses it as a way to gain power, both from Oma Zi-O and as a way to assert himself as king of their homeworld instead of Tsukuyomi. Additionally, Decade deals with Tsukasa gaining of the powers of other Riders and the chaotic destruction being labeled the Destroyer of Worlds has, something Swartz plans to do with the Rider worlds in order to save his.
• Another Ryuki's appearance and animalistic characterization in Decade VS Zi-O echoes it behaving like an actual Mirror Monster while it appearing to go after a few of the houseguests (mainly for failing to complete a round), paralleling both what a Contract Monster does to a Mirror Rider should the latter's Advent Deck break and how the Rider Fight is treated as a Deadly Game. Additionally, Another Ryuki even actually appearing in general also mirror both Ryuki being one of the two previous Rider Time specials and Ryuki being Decade's most used KamenRide in total.
• While it may seem odd that the Elementary Inves' appearing in Zi-O VS Decade maul students that escape Hikarigomori in a Bloodier and Gorier fashion akin to the Amazons, there's the revelation in that the True Sougo ultimately used up a lot of his power, thus leaving him in a dimensional gap, with the implication that those Inves that he ended up being responsible for appearing got distorted in personality as well, thus their more carnivorous nature this time around.
• DecadeArmor Saber Form is the only DecadeArmor form which continues to use the original suit rather than replacing its parts with the Legend Rider's suit parts as well as representing Brave Dragon instead of Dragonic Knight via faceplate only makes sense considering that Saber is the current running series when the Rider Time miniseries aired, meaning that the suits for Saber's forms would be unavailable to temporarily modify and use as they were still being used in that series itself.
• Why is Sougo using the Saber Ridewatch able to overpower Ohma Zi-O? Two reasons suggest themselves.
  • Saber decides how the story ends, so Sougo decided that it was needed with his victory.
  • Saber never existed in Ohma's original timeline, giving Sougo a similar advantage to Geiz Revive, which was similarly derived from powers that didn't exist in Ohma's timeline.
• Tsukasa's death in Zi-O VS Decade could likely imply as him passing more of the anniversary Rider mantle to Sougo.
• The four Future Riders all have ties to the different origins of a Kamen Rider:
  • Shinobi: Magic (Wizard and Ghost) via his ninjutsu.
  • Quiz: Manmade Technology (Faiz and Double) via his intellect.
  • Kikai: Advanced Technology (Kabuto and Drive) via him being a Humanoise.
  • Ginga: Outer Space (Fourze and Build) via his galaxy powers.
• With the reveal that Another Double is a former Rider fan who grew to hate the Riders because they couldn't do anything to save people from the 2011 Tohoku earthquake, this makes his appearance and Character Tics take on more meaning than mere references to Kamen Rider Double:
  • His right half is covered in dirty bandages, possibly meant to represent those injured or killed by the earthquake.
  • Another Double's right half appears to be grinning, while his left half bears an expression of sadness. This could represent the conflicted feelings of adoration and resentment he bears towards the Riders he once loved.
  • He flawlessly imitates Shotaro's Catchphrase and habit of flicking his wrist, and angrily calls Sougo half-boiled when the latter botches said catchphrase. Being a former fan, he still had fond memories of Double and likely imitated Shotaro while watching the series.

Fridge Horror

• The basketball player in episode 1 was basically given a lose-lose situation. He was either going to be hit by a car which would either kill him or at least seriously injure him or he would end up being turned into a rampaging Kaijin Rider Another Build.
  • Also good thing that when the basketball player was truly rescued he wasn't sent back to being killed by the car and instead he gets to live.
  • Also if you think about it with how history changes work with Kamen Rider Den-O, those changes are probably small and insignificant, because those people aren't people whose life or death would cause a big change in history. They are just normal civilians unlike more important historic figures such as the Kamen Riders who are erased from history.
• For Zi-O to become the evil overlord in the future, any future Kamen Riders that could stop him would have to either be destroyed by his hand or Ret-Gone. Bearing in mind that Kamen Rider Heisei Generations FINAL: Build & Ex-Aid with Legend Riders is set just before Kamen Rider × Kamen Rider Wizard & Fourze: Movie War Ultimatum, this means we've officially caught up to the time when Gentaro destroyed his own Driver and forced Inazuman to become the new hero... only the Bad Future would mean that Inazuman would definitely fail at some point. Nice going.
  • Or maybe the Riders all died of old age by the time Ōma Zi-O finally rose to power. Again, you must remember this is 50 years in the future and we barely know how long Ōma Zi-O has ruled the future or how he managed to do it. It's still too early to make the call.
    • Around the middle of the series it's spelled out that the Day of Ōma WILL happen in 2019. And there are no more Riders after Zi-O in that timeline, because he prevented any more from appearing. Plus, Flash Forward shots when Geiz talks about past riders shows their statues cracking to reveal the Rider inside, suggesting they've all been captured and turned to stone.
  • What about future riders like Ayumu Tenkūji, Eiji Tomari, Michal Minato, Masao Kurenai, or Kōtarō Nogami. Kōtarō would at least be probably young enough that old age won't be such of a trouble.
• Look at the first five Ridewatches Geiz got - Ghost, Drive, Faiz, Genm and Wizard. Four of them came Back from the Dead at least once, while the last one comes disturbingly close once, looking like he had a heart attack at the time. It doesn't look good for Geiz.
  • On the other hand, his Super Mode is called Geiz Revive.
• Why couldn't Īda find a heart donor for two years? Aside from all the moral problems, there is one huge flaw in his plan: the organs from his victims would be infected with the virus he spreads, which means they cannot be donated. Therefore, Īda actually PREVENTED his son from having a chance to survive.
• A minor one from Episode 5 when you think about it: Kondō and Nezu are now good guys to begin with who weren't Gates-turned psychics that were saved by Kamen Riders (in fact it was implied that Zi-O and Geiz are now the first Kamen Riders they have actually met). It could imply that Gates already do not exist anymore at this point, and in turn, Kamen Rider Wizard himself, hinting at the long-existing presence of Another Wizard.
  • This also doubles as Fridge Brilliance - they met Kondō and Nezu in 2018, and Another Riders are always created in the same year as their series, so of course Kondō and Nezu in 2018 aren't Gates, it's because Another Wizard already exist since 2012!
  • Turns out the Ridewatches Geiz had on him at the start were just stolen from Ōma Zi-O from the future, with Geiz's Zikū-Driver being Ōma Zi-O's original Zikū-Driver.
• In a flashback to when the future was altered, Faiz lost his power just as he was about to save Mari from the Elephant Orphnoch. Meaning he probably had no choice but to stand there and watch her get crushed to death.
• In D-Video Special: Kamen Rider 4 from Kamen Rider Drive, it was stated that Takumi is only alive because of time paradoxes and alterations. In Zi-O not only is he alive, but also Kusaka who in turn never got revived. This along with Kusaka's personality change raise questions of just how much of a mess time currently is especially with Sougo, Geiz, Tsukuyomi, two versions of Woz, the Time Jackers, Tsukasa and the Future Riders traveling through time or manipulating it every episode.
  • Or it could imply how messed up the events of 555 were, given that with its events being erased from history, the Orphnochs and Smart Brain do not exist, and the Ryūsei School is just a normal school for orphans, sparing Kusaka the trauma of the Orphnoch attack during the night of the school reunion that started it all, as well as sparing him and Takumi from the events that led them to their deaths.
• Takumi seems happy in his life of dry cleaning and is probably a pure human as well. So if history is restored back to normal (or as close to normal as possible), either Takumi dies or he goes back to being Faiz, with all the emotional baggage attached to the title.
• The Time Jackers can remove not only Rider powers from history, but they remove their enemies as well. Keep in mind, some of these enemies are not only horrifyingly powerful, but many of them are inherently tied to human history and, in come cases, reality as a whole. The Time Jackers don't even do anything special to accomplish this, they just take a watch and give if to some victim. By just handing over a trinket, these people can warp reality to ridiculous degrees.
  • The changes to history may just make the Kamen Rider world's history more like our own. So while they are changing history and reality, they aren't necessarily making the current present time worse or better. Just more mundane.
• If the Time Jackers succeed in erasing all the Heisei Riders from history, that means the first Kamen Rider of the new era the world will know is the one who conquers it as Ōma Zi-O.
• It was stated that Another Riders don't only erase the history of Kamen Riders, but also the monsters they fought against. While this may not seem bad at first, this probably also includes the monsters that are on their side. This includes Hajime Aikawa/Chalice, Tsurugi Kamishiro/Sasword, Hiyori Kusakabe, Sōji Kusakabe/Dark Kabuto, Daigo Tachikawa, and Shun Kageyama/PunchHopper, the Taros including Deneb and Sieg, Taiga Nobori/Saga/Dark Kiva and partially Wataru/Kiva himself, Ā̃ṅkh, Chase/Proto-Zero/Chaser and Roidmude 072, Parado/Para-DX, Poppy Pipopapo, and partially Ryūga/Cross-Z^note Ryūga would still exist but with a different birthday, no Evolt genes, and would be a different Ryūga from the one we know, as seen in the final episode of Kamen Rider Build.
  • As a Fridge Brilliance, this could be why the Kamen Rider OOO focus episodes feature Eiji and Hina, but not Ā̃ṅkh.
• More of a Fridge Tearjerker than anything scary, but the Time Jackers end up doing more good than harm in retgoning the Riders, as the monsters also disappear. This means that...
  • Japan isn't split into three by the Pandora Box and nobody's mind got changed by the light.
  • People who lost their lives to Bugsters and Kamen Rider Chronicle now have a second chance at life after being denied that by Masamune.
  • Ryūga and Hiiro don't have to lose their girlfriends.
  • Amanogawa High wouldn't have to suffer bi-weekly Zodiarts attacks (albeit it does also retcon Character Development from some of the characters).
    • This goes two levels deep as the Hercules Zodiarts was responsible for corrupting all those teens, and without him Kong and Nezu went on to live normal lives, and Ruby can go on to her ninjitsu and engineering lessons... or hey, whatever works... And Saburo Kazeta not having any connection to Zodiarts means that the future Inazuman will still exist... for all the good it'll do...
  • Takumi isn't dead.
  • Kusaka, as we see in the show, is a nicer person in contrast to his 2003 counterpart.
  • Nobody would lose their lives to Phantoms, which includes Mayu's family.
  • The people who died to the Smash, Bugsters, Gamma, Roidmudes, Inves, Greeed and Yummy, Dopants, Fangire, Imagin, Worms, Makamō, Undead, Orphnochs, Mirror Monsters^note Although in the case of erasing them and possibly the Mirror World, this guarantees Yui Kanzaki's death at the hands of her neglectful parents and with no Mirror World version of her, Shirō would have to live the rest of his days alone, Lords, and Gurongi are alive.
  • Yūya Sumii, Ryūji Hase/Kurokage, and the others transformed into Inves are still alive and human.
  • Philip, or rather Raito, would have a normal family, though he might have died instead.
• Going along with Zi-O being Obfuscating Stupidity, how would Sougo know how to fight as a Kamen Rider? Simple. He goes back in time and sees the entire series himself. Depending on whether you see this funny or terrifying, that means all the battles the Kamen Riders fought from Kamen Riders Ichigō and Nigō confronting and unmasking the Great Leader of Shocker to Kamen Rider Build destroying Evolt, Sougo was hidden, watching them and all of this happening.
• What if, while also truly wanting to become a beloved overlord, Sougo manipulated Tsukuyomi and Geiz into sparing him to see what happens so they wouldn't kill him before he gained enough fighting experience to ensure Geiz would be unable to kill him?
• If Another Kiva appears and steals Kamen Rider Kiva's history, would Wataru still exist or would he never have been born since he's half-Fangire? And if Wataru doesn't exist, it's entirely possible the Kiva Ridewatch won't exist too. Sure, Sougo or Geiz can obtain the watch from another source like Kousuke having Wizard's Ridewatch but in those cases, the Rider still existed. And with no Kiva Ridewatch, that would make Another Kiva invincible...
  • For the Ridewatch, not only is it already visible in the ending scene every week when they all spontaneously activate, but given Zi-O is meant to inherit the power of all Riders it's literally impossible that one won't be created. For Wataru, it might be like Terra in Final Fantasy VI, where at the end she became a normal human and just her Esper half vanished. Given how Another Riders work, he'd likely be a normal, violin playing human.
  • It's a moot point; Another Kiva is created in 2019, and any Another Riders that aren't made in the year of origin of their source won't erase that Rider (i.e; Wataru and the 13 Demon Clans still exist).
• If you think about it, everyone, who's not Kaito or Geiz, who were thrown into the Helheim Forest has only two possible fates awaiting them. Either they're killed by the Inves or they walk around until they eventually cave into their hunger and take a bite out of the strange fruit growing on the trees...
• Kamen Rider Heisei Generations FOREVER showed it's possible for an Another Rider to attain their respective Rider's final form in some way. Another Riders already cause enough problems with their base Rider powers, imagine the destruction a Another Drive Type Tridoron or a Another Ghost Mugen Damashī could cause.
• White Woz is a prophet for Geiz Revive, the warrior who defeated Ōma Zi-O. The keyword there is "defeated". Geiz promised Sougo in the previous episode that he would kill him if he started to turn evil, so based on White Woz's new allegiance... that means he did end up killing Sougo. Relatively recently, too, since Shinobi is from the year 2022, a mere 3 years in the future from the current time.
• Fans have wondered why Kamen Rider Woz draws power from made-up future Riders rather than ones previously established, like New Den-O, New Kiva, Aqua and Dark Drive^note Or whatever the proper name for the real Eiji Tomari's Rider form is. There is actually a perfectly good reason: Because those Riders' existences are tied to their predecessors', meaning that once Zi-O and Geiz claim their Ridewatches, the events that lead to the future Riders existing never happened. No Ryōtarō Nogami as Den-O, no Kōtarō Nogami as New Den-O. As for Aqua, while his powers weren't tied to OOO, he wouldn't have been given the means to eventually have enough confidence to become Aqua.
• Fridge Tearjerker and Horror, but Heure being given the fate of getting involved in a car accident, that's the horror part, absolutely freaks the guy out to the point just seeing either Woz causes him to panic, which is the slight Tearjerker. Sure the guy wants to rule the world/future but that's going a bit far with the punishment isn't it?
• The reveal that Sougo has the power to manipulate the future so it happens as he dreams it is horrifying just due to how powerful Sougo really is. Especially since Sougo essentially made Kikai happen subconsciously, a timeline where humanity is driven to the brink of extinction against machines that have taken over most of the world, makes you realize that Sougo is essentially a Reality Warper. It's honestly not shocking that Ōma Zi-O became as bad as he did when you see just how much power he's hiding.
• The victims the Another Riders capture are only rarely shown to return after the fact. Some of them get spared due to having to time travel and beat them in their own year, but others are captured in the past right in front of Zi-O and Geiz. When the Another Rider is beaten, their victims don't show up again. And Karin specifically says that she wants Ryūichi, AKA Another Fourze, to stop killing other girls to save her life.
• Kamen Rider Woz Futuring Kikai has an ability to turn nearby humans into Semi Humanoise. While the Humanoise are evil androids in the future, taking account to the word Semi, does that mean White Woz's Semi Humanoise are actually suffering from Unwilling Roboticisation?
  • The fact that Kamen Rider Woz Futuring Kikai has such an ability implies Rento also has or had this ability, as Woz is using his powers. A little WMG here, he may even have been used as a tool by the Humanoise to get close to humans and when the time is right, a signal is sent to turn him back into a tool of the Humanoise and convert all nearby humans into Semi Humanoise.
• What in the world happened to Sougo's uncle in Ōma Zi-O's timeline? Is he working for Ōma Zi-O, did he rebel, is he still alive? It can even be possible that his death could have become the catalyst for Sougo to turn into the Evil Overlord he's known for in the future.
• With everything that's revealed in #27, one must wonder just how much of Sougo's life was manipulated by Swartz to set up Ōma Zi-O. From his friendless childhood (his best friend was a toy robot for Pete's sake) to his school activities, anything goes if it means manipulating Sougo to have the right mindset to become his Puppet King. He's like Professor Zoom but with Rider powers.
  • #28 reveals that Sougo already had time powers before Swartz got his hands on him, if Swartz's surprised expression is anything to go by. With #32 further revealing that naturally-born Time Jackers are rare, it makes one wonder about Sougo's true origins.
  • The latter is further exacerbated with the reveal in #43 that natural time powers are exclusive to the royal family Swartz and Tsukuyomi belong to. These points are eventually are rendered moot when it turns out that Swartz and Tsukuyomi are from another timeline, separate from the World of Zi-O.
  • Episode 46/47 reveal that Swartz's plan has a full Stable Time Loop in place to control Sougo. Either he takes the option that kills his friends, he loses, or he becomes Oma Zi-O. It's implied in this statement that Swartz has done this multiple times. How many times has he looped Sougo's past? How many times has he crafted an Oma Zi-O, only to start over and modify another variable in the loop? Forget Professor Zoom, he just turned into Hazama.
• Ōma Zi-O's main color is gold compared to our Zi-O's silver. But the more upgrades that Sougo gets, the more gold gets incorporated into his suits. Zi-O II has some gold highlights while Zi-O Trinity has streaks of yellowish gold throughout his body. Almost if Sougo's power is corrupting Sougo. Makes sense why despite all the various changes to the timeline including creating a powerup that didn't exist, Ōma Zi-O still exists.
• At the end of episode 40, Momotaros is complimenting Sougo, before turning around and seeing that Sougo is gone. Initially a funny moment, it quickly changes when we see where Sougo went. Ōma Zi-O opened a time portal to pull him into his own time. In Grand Zi-O. Ōma Zi-O was able to pull someone into 2068 perfectly silently and nearly instantly. And he was able to make his younger self transform, to boot. Which means there's nothing stopping Ōma Zi-O from pulling anyone he wants at any time to his own location or time, and cancel their transformations. Yet another example of why he's considered the World's Strongest Man in the show.
  • Adding onto this, it's easy to see how he defeated various other Riders or their villains. Some of the strongest characters required a Driver to control their powers, and Ōma Zi-O can cancel that power in an instant. No wonder he beat characters like Muteki Ex-Aid. Even characters who don't need Drivers (Like the Man of the Beginning, Lord Baron, or either Joker Undead), he can easily just pull them from a time where they're more vulnerable and then steal their powers.
• A Spoiler yet not: On the opening sequence, we see Geiz wearing a tattered poncho which he takes off and throws away. that same poncho appears (lands) at 2068 Oma Zi-O's feet on the next sequence. Just before taking it off, Geiz is wiping blood from his mouth. It told us the origin of 2068 Oma Zi-O (And Schwarz's ongoing plan) since the very beginning.
• Ohma Zi-O has all the power of every Kamen Riders. One of those is Den-O, who has the power of a Singularity Point, which allows him to be effectively immune to changes in the timeline. Tsukuyomi and Geiz's travelling to the past to kill young Sougo would have solved nothing. The only reason why the series happened the way it was is because Ohma Zi-O wants it to happen that way. Even the time when he was erased due to young Sougo's giving up the Driver, it all appeared that he knew what would happen and chose to go along instead of being the victim.

Fridge Logic

• If creating Another Rider erases not only the Original Rider's powers but also their enemies shouldn't that mean Takumi should be dead by the time 555 started let alone the year that Zi-O rolls around? He is only a Orphnoch because he died when he was a kid but revived as one. If Orphnochs are erased that means he should had been dead as he can't become a Orphnoch as they are erased or am I missing something?
  • If that is the case, doesn't mean that Takumi's encounter with Mari, his rivalry with Masato and friendship with Kiba shouldn't be exist either?
  • Based on Kamen Rider Den-O's workings of time, it seems that time is trying to keep itself in order, so if character A lived, then time alters things so that character A lives in the new timeline, even if the Another Rider removed their survival method. Likely, Takumi was only in the hospital for a long time as a kid instead of dying. Similarly, a lot of the Fangire characters are likely turned into humans, so Wataru's mom is a human too, and she may have simply had an awful divorce with her husband (if he's anything like his original self) and rebounded with Otoya.
• in Episode 21 White Woz has stated that his future is a "everlasting peace as if time itself has stopped". And in episode 46 he mentions that the Another World is "A place of repose, where time stands still for eternity".
  • They're probably not the same type of world, Another World is created by Another Decade.
• Why even get all the primary rider's Ridewatches if Grand Zi-O ultimately was useless against both Oma Zi-O and Another Decade? Beacuse those are the catalysts for Restoring the timelines and the blueprint for the one Sougo creates.
  • Also why Grand Zi-O would never beat Oma Zi-O even if he had gotten the Drive Ridewatch from anyone of the Drive cast: Grand Zi-O only channels the Primary Heisei Riders powers and can summon them, Oma Zi-O instead uses EVERY HEISEI RIDER POWER AT THE SAME TIME, even Movie Riders and from Specials. Thats the power of 20 riders against the power of almost 90 riders at once. Grand Zi-O was never coming close.
• For all the talk of Oma Zi-O being a great evil, he's never seen making the first attack, he always acts defensively or counters. Likewise it's implied that the Resistance was the one attacking him first. Could it be that Swartz manipulated the Resistance against Oma Zi-O in an attempt to erase the only power that could stop him in the future?

---