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Continuity Nod / Anime & Manga

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  • When Robotech was made by Carl Macek, he had to invent several of these, like Yellow Dancer being a singer who emulates Minmei.
  • This happens from time to time in One Piece.
    • When Usopp was first introduced he would regale Ill Girl Kaya with tales featuring things like a goldfish so large its poop was island sized, or claim he was sneaking around hunting a mole monster. After the Little Garden arc, the Straw Hats encountered a goldfish exactly like the one Usopp mentioned. During the Alabasta arc, Usopp faced Miss Merry Christmas, who had the power to transform into a mole-woman. The former case was lampshaded by Usopp commenting that the goldfish seemed familiar to him for some reason.
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    • Also the time when Zoro had to defeat Mr. 1, who had the ability to compose his body to the hardness of steel. To learn how to cut steel and gain one step closer to defeating his rival Dracule Mihawk, he defeated Mr. 1. He then asked Zoro as he fainted if he plans on cutting diamond next. Mihawk himself in the war against Whitebeard tried to use his strongest sword slash to see the difference between the two, only to find it blocked by 3rd division commander Jozu, who turned his body into diamond.
    • During the anime's adaptation of the various Marine officers gathering in Marineford, Jonathan, The Chessmaster commander from the G8 filler arc, is shown arriving as well, accompanied by his subordinates Drake and Gu.
    • When Zoro makes his reappearance in Chapter 599 after training with Mihawk for two years, he makes his entrance by slicing a boat in two and mocking its inhabitants amongst the wreckage. Perhaps he gained more than just the man's skills in that time.
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  • During the second season of Code Geass, Lelouch is shown walking past a wall in the school that is covered in cross-like marks, the end of the wall has blank bricks and a brick with just one line on it. This is a reference to the first season when he used his Geass on a girl with the instruction "make a mark on this wall every day" to test how long its effects last.
  • In Chrono Crusade, when Chrono tries to explain who the Pursuers are, he notes "If you count Leiraje, this is only the second time we've seen one!" (Leiraje was a character that had shown up in the first volume and kidnapped Azmaria.) Azmaria squeaks out "Really??" and Rosette snorts "Geez, nobody remembers him."
  • In the penultimate episode of Nichijou, the girls are confronted by a cop Mio had beaten up several episodes earlier. It turns out he remembered the incident and was about to bring them in, but lamented upon seeing that Mio had rescued a drowning child.
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  • In the fifth episode of Princess Tutu, a lamp is possessed by a heart shard when she believes that she's been abandoned by the family she used to serve, and everyone has forgotten her. Princess Tutu told her that she was sure someone else would find her and love her for her light and warmth again, and sure enough, Ahiru takes the lamp home with her at the end of the episode. It's often seen in her room in later episodes.
  • This happens a few times in Yu-Gi-Oh! GX and 5D's, in particular referencing the original series.
    • In GX a number of times, they reference a couple of the more famous battles outside of climactic showdowns, provided they were based on the manga at least, and occasionally referenced or alluded to well-known events or cards, like in episodes 18 & 19 where Judai dueled against a copycat who had stolen Yugi's deck.
    • This occurs far-less often in 5D's, aside from the fact it's in what we used to know as Domino City, though there are a few allusions to icons of the past on some of the newer cards.
    • The Speed Fusion card portrays Dark Magician and Flame Swordsman fusing into Dark Flare Knight.
    • This happened plenty of times within the original series as well. The Pharaoh walking through a valley of lost spirits and flashing back to a bunch of minor antagonists. The cameos that Doma's swordsmen received after the Waking the Dragons arc, along with everyone else in the last few episodes of the whole show. While not free of filler, the franchise has a truckload of continuity nods.
    • Ayukawa, the school nurse in the GX anime, makes an appearance in the GX manga observing a student's coma and noting a similarity between that coma and events in the Battle City tournament, where four people fell unconscious after their duels (Mai, Jonouchi, Rishid and Bakura), and two of them were confirmed by witnesses to be the victims of sorcery (presumably Rishid and Jonouchi). She then promptly dismisses it all as nonsense.
    • During the flashbacks that Jin Himuro had of back when he was a pro had a list of names which were actually taken from the manga of the Season Zero arc. In an easier example, the name of Yusei's new inmate roommate before he was due to fight Akutsu is Shugo Aoyama, the name of the Gary Stu that the first Yu Gi Oh movie revolved around. (You know, the one that was never released outside Japan?) And of course, Tetsu Ushio, the first baddie to taste the sadistic Penalty Game in the manga is now one of the core secondary characters in 5Ds.
  • In Sailor Moon, several aspects of the meeting between the protagonist Usagi and her new love interest Seiya in Sailor Stars mirror Usagi and Mamoru's meetings in the first season of the series, culminating in Usagi confusing Seiya dressed in black and red for Tuxedo Mask, who wears a black and red outfit. Seiya went as far as to throw a red rose to distract the enemy.
  • Throughout Fullmetal Alchemist:
    • There are scenes where you can recognize certain people traveling about — like the Curtises, Hohenheim, or a minor one, the mustached man in the white suit.
    • In Rush Valley, you also see automail stalls with photographs of their previous customers, like the man who hijacked the train in the first volume or the army guy in one of the spin-off games.
    • After Father Cornello outlives his usefulness, Lust lets Gluttony eat him. Later, Ed and Ling end up inside of his stomach and you can see a skeleton wearing some familiar garments.
  • The second-to-last episode of Best Student Council has basically every character that appeared in a single episode show up to act as a diversion.
  • Mahou Sensei Negima! chapter 268 is a flashback full of these; (links are spoilers, btw) there's the ermine detention compound, an appearance of Tosaka, Mama, and their friends, and Nagi saving a girl who appears to be a young Paio II. (NSFW)
  • Pokémon:
    • The Pokémon anime:
      • In "A Lean Mean Team Rocket Machine", Jessie, James, and Meowth use their original Team Rocket motto.
      • Misty's Staryu makes its first appearance in "Clefairy and the Moon Stone" and she calls it back before Ash catches up to her. In the next episode when she uses Staryu against him in a battle he checks it out on the Pokedex since he hasn't seen it yet.
    • Quite often do characters in Pokémon Adventures make references to events that happened in the past, even if said events happened in another region.
      • When Byron learns that Platinum collected six badges in twenty days, he mentions that he heard of a trainer in Hoenn who collected eight badges in eighty days (i.e., Sapphire).
      • At the start of the Platinum arc, when Platinum meets up with Looker, one of the first things she asks is if he's supposed to get a free bike ride around Sandgem Park and if he's really a comedian, referencing the mix-up that occurred at the start of the Diamond and Pearl arc.
  • Happens a lot in Monster. One notable instance is when Eva's flashbacks finally reveal why Tenma got back from his date in episode 4 so quickly.
  • For Gundam,
  • Each Macross show references the previous ones (barring the original Super Dimension Fortress Macross, of course).
    • Even Macross Zero, which occurred prior to the original series, has some connection by featuring Roy Fokker.
    • There's an episode in Macross 7 where two songs of Sharon Apple are clearly audible in the background. Even more noticeable since those techno songs sharply clash with the series's resident musical theme.
    • Macross Frontier in particular is chock-full of continuity nods: from Ranka singing songs of the previous installments to SMS formations being named after Fire Bomber songs.
    • Macross Zero had a retroactive continuity nod: after Sheryl Nome was revealed to be the granddaughter of Mao Nome, Sheryl's iconic Fold Quartz earrings were added to a shot in the Blu-Ray release of Zero to establish that they were a family heirloom.
    • There is a literal walking Continuity Nod that appears in every single iteration of the Macross franchise: the Monster Destroid, whether the Prototype, the original model, or the König model. Even Alternate Continuity Macross II had a cameo.
  • In Digimon Adventure:
    • Taichi uses a set of cards to open a gate to Earth while leaving out Agumon's card. In the follow-up series Adventure 02, Yukio Oikawa uses the same cards but replaced the Gomamon card with the Agumon card, sending him somewhere else entirely.
    • In the eighth episode after the battle with Ogremon and Leomon, Taichi says to Agumon "two Digivolutions in one day, you must be exhausted". This refers to the previous episode which had Greymon battling Unimon, technically only a couple of hours earlier.
  • All of Misaki's various opponents in Kidou Tenshi Angelic Layer show up in the audience for the fight in the Grand Finale.
  • The Slayers
    • The fourth season of the anime aired in 2008; the ending sequence featured the plane chart noting the hierarchy of the five Mazoku lords, the four Dark Lords, and the Lord of Nightmares suspended in the background. The two spots on the chart reserved for the Mazoku Lords Fibrizo and Gaav are destroyed, nodding to the fact that they were both Killed Off for Real in the second season of the anime (which aired in 1996).
    • Oddly, in a possible case of potential discontinuity, the spot on the chart for Dark Lord Dugradigdu remains intact, despite having been destroyed in the third season (1997). It is considered Hajime Kanzaka's way of protesting the season, as it is the beginning of divergence from his books. Since then, he seems to have accepted the change.
  • Lyrical Nanoha
    • Arisa comments that Arf (in puppy form) looks familiar when they meet in Magical Girl Lyrical Nanoha A's. Arisa had nursed her back to health after her escape from the Garden of Time in the first season, but she was in her adult wolf form at the time.
    • Throughout A's, Nanoha and Fate continue to wear the hair ribbons that they exchanged when they became friends.
    • The photo of Precia and Alicia that Fate keeps by her bedside in Magical Girl Lyrical Nanoha Strikers is the same one that she had back in the first season.
    • In chapter 20 of Magical Girl Lyrical Nanoha Vivid, Vivio and her friends are given special bracelets designed by the TSAB Research Department that drains a person's physical and magical powers to help in their training. When Nanoha sees it, she makes a comment about how she used to do something like that when she was a kid, except she had to let Raising Heart manually do the draining for her since she didn't have something as convenient as the bracelets. This was a reference to Nanoha's Training from Hell regimen that was described way back in the first chapter of the Magical Girl Lyrical Nanoha A's supplementary manga.
    • The simulated city that Nanoha and Fate have their training match in near the beginning of Magical Girl Lyrical Nanoha Reflection is the same one where they had their climatic final battle in the first movie.
  • In the background of the earlier Haruhi Suzumiya episodes, nods to the original series could be seen in the background. Multiple events that weren't shown in the first season, but occurred in the novels, had their remainders shown in the club room. While most were later filled in on in their second season, unfamiliar fans may wonder why there is a frog costume or a bamboo plant lying around.
  • Daily Lives of High School Boys
    • A constant, but more subtle example in the manga: covers from a given chapter might portray the result or any aftermath from a event that happened in the previous chapter. This is often reproduced as the eyecatch after the skit corresponding to the said "previous chapter" in the anime adaptation.
    • In another example, in High School Boys and Seniority, Motoharu's sister's classmates came to their house for a sleepover and, among others, were quite interested to have Motoharu shaved. The eyecatch right after this skit was the manga eyecatch mentioned above, having the girls trying to forcibly shave Motoharu. The next skit High School Boys and the Saviour, we see Motoharu shaved and had a few Band-aids on his chin, clearly the result of being forcibly shaved by the girls.
  • Although Persona 4: The Animation is a much abbreviated adaptation, attentive viewers can note many specific bits from the games that are still present:
    • Though he no longer draws attention to or explains it, Igor repeats the Tarot reading he did in the beginning of the game during the very first
    • Video Game Interface Elements are featured during transitions, fight scenes and the mid-episode eyecatches.
    • Various Social Link characters are present in the background of scenes they have no involvement in.
    • Yu has a habit of folding multiple origami cranes in his free time.
    • Many scenes that were changed or added to the anime still borrow directly from other events featured or mentioned during the game.
      • A flashback detailing Chie and Yukiko's first meeting in episode 3.
      • Yukiko's pet bird in episode 4, hinted at during the opening cinematic of the game.
      • Adachi coming back from shopping at Junes with nothing but cabbage in episode 7
      • Rise's decision to quit being an idol in episode 9.
    • Personas and Shadows demonstrate abilities related to ones they have in the game.
      • Chie's shadow has her Persona Tomoe's weaknesses in episode 3.
      • Ara Mitama and Pyro Jack are strong against physical and fire attacks respectively in episode 4
      • Shadow Kanji's flunkies have the same immunities as they did in the game in episode 7. Also, Yamata-no-Orochi is fused with the same Arcana combination that would be used in the game. (Magician x Priestess = Moon)
      • During the battle with Shadow Naoto, when she turns Yosuke, Yu and Teddie into old people, she's actually using her Galgalim Eyes attack, which causes the Enervation status. The connection to the game is further established by having Kintoki-Douji use Energy Shower to reverse the effect - in the game, the skill Energy Shower cures the Enervation status effect.
      • Shadow Naoto also fights like she does in the game, by exploiting weaknesses. Yu keeps having to change Personas because she keeps preparing to use attacks that his current Persona is weak to (though thanks to Rise, Yu is one step ahead).
      • During the Shadow Naoto fight, Yu has Mot use Mudoon, which doesn't work. Naoto's Persona, Sukuna-Hikona, resists Dark attacks.
  • Fairy Tail is incredibly good at this, to the point that it's actually too much of an effort to list all the small background details in it, though special mention goes to the Continuity Porn that is Natsu's house and the manga's willingness to reference events from filler episodes of the anime.
  • The inside covers of the manga of Handa-kun, a prequel to Barakamon that takes place six years earlier, feature illustrations and Yonkoma comics showing what characters from Barakamon were doing during the Handa-kun timeframe.
  • Happens several times in Kirby of the Stars:
    • Channel DDD is introduced in Episode 6 "Un-Reality TV/Check it Out! Channel DDD", and makes several recurring appearances throughout the show.
    • Episode 3 contains a flashback made by Kabu showing Nightmare directing his monsters through a checker-like board. These are seen again in the Grand Finale: Fright to the Finish/Fly! Kirby of the Stars
    • Episode 20: "Dedede's Snow Job/Goodbye, Snowman Chilly" features King Dedede freezing Cappy Town into winter using a Demon Beast. Then in episode 66: "The Chill Factor/The Wandering Pengi" features a similar plot of the town going into a sudden winter. This time, the town suspects about Dedede, xxcept this time, it's not Dedede who's responsible.
  • In episode 30 of Legend of Galactic Heroes, the Flashback where Mittermeyer and Reuenthal saw Reinhard and Kircheis for the first time four years before the start of the series is depicted in greater detail in episode 6 of the Hundred Billion Stars, Hundred Billion Lights arc of the first Gaiden series, this time from the perspective of Reinhard and Kircheis (the animators made a minor Series Continuity Error in the first flashback though by illustrating Reinhard and Kircheis wearing their new rank insignias too early).
  • In chapter 4 of Naruto, upon meeting the three Team 7 members for the first time Kakashi says his first impression is, "I don't like you." Years later, in chapter 689 Kakashi sees the three of them fighting in what he calls their last mission as Team 7 and says, "I like you." For that matter, after the team plus Obito are taken to another dimension by Kaguya, there are several Continuity Nods to moments from the beginning of the series, sort of bookending the series as those nods come in the final arc.
  • Yu Yu Hakusho:
    • Kurama was a demon fox before he was injured in a botched robbery and merged with a human fetus to recover his energy. When the Spirit World SDF arrive near the end of the Chapter Black arc, several of them mention that one of them was the one who injured him.
    • When Botan sees Yusuke's appearance after his Mazoku transformation, she remarks that she's having flashbacks of Rando, a villain from Season 1.
  • Lupin III has Lupin III: The Last Job, where the Fuma Ninjas are an evil organization after the same thing as Lupin. This was used earlier in The Fuma Conspiracy, and still earlier in "The Riddle of Tsukikage Castle".
  • In Cardfight!! Vanguard G (season 5), a mysterious, presumably ghostly, fighter appears, with many rumors surrounding him. Someone brings up other Vanguard-related urban legends, and while most of them are Japanese legends, one is of the cardfighting Yeti, a disguise used by crusher Kyo all the way back in season 2.
  • City Hunter: Plenty of them, but one above all merits mention: in one of the earliest chapters, Ryo demonstrated that you can prevent an uncocked revolver from firing by just holding the cylinder, and every time Kaori (who was receiving gun-using lessons earlier in that chapter) is holding a revolver the hammer is cocked. It verges on Call Back when Kaori is held at gun point by a revolver-wielding yakuza and not only blocks him in the same way but openly recalls that incident, berating herself for consciously forgetting why she cocked the hammer every time.
  • Chapter 180.1 of Assassination Classroom is explicitly stated to take place during Class 3-E's winter break — specifically, between Chapters 141-142, as Koro-sensei states to one of his would-be assassins that his students are busy "solving their homework" (i.e., meditating on what to do about Koro-sensei after learning of his Dark and Troubled Past).


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