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1Not all cartoons have a ResetButton. Sometimes there's going to be [[WhamEpisode an episode or two (or multiple) that changes everything you know about the cast]].
2
3It goes without saying, but '''beware of spoilers.'''
4
5!!Shows with their own pages:
6[[index]]
7* ''WhamEpisode/AdventureTime''
8* ''WhamEpisode/AvatarTheLastAirbender''
9* ''WhamEpisode/BoJackHorseman''
10* ''WhamEpisode/DuckTales2017''
11* ''WhamEpisode/TheLegendOfKorra''
12* ''WhamEpisode/ScoobyDooMysteryIncorporated''
13* ''WhamEpisode/SouthPark''
14* ''WhamEpisode/StarVsTheForcesOfEvil''
15* ''WhamEpisode/StevenUniverse''
16* ''WhamEpisode/TotalDrama''
17* ''WhamEpisode/TheVentureBros''
18* ''WhamEpisode/WinxClub''
19* ''WhamEpisode/YoungJustice2010''
20[[/index]]
21
22!!Other examples
23
24[[foldercontrol]]
25
26
27[[folder:A-G]]
28* ''WesternAnimation/AdventuresOfTheGalaxyRangers'' loved their {{Drama Bomb}}s, but a few episodes really stand out.
29** "New Frontier": We find out ''why'' [[BigBad The Queen]] is hunting humans. We also see [[FateWorseThanDeath what happened to Eliza]].
30** "Scarecrow": That new enemy that was literally dug up ''kills'' several people, ''survived'' that fire, and has taken the face of a spaceport tech to continue his rampage across the galaxy.
31** "Heart of Tarkon": It's revealed that Doc really ''is'' a badass after all, and the Heart of Tarkon is neither a legend or supersition; it's a Benevolent AI that must be awakened to protect the planet. And its ancient archenemy was The Scarecrow Entity.
32** "Armada": There's a ''big'' flotilla of ships headed for Earth, but [[spoiler:their cut-rate starstones led to most of that fleet being destroyed, delivering a devastating blow to the Empire's ability to continue waging war]].
33** The Supertrooper Duology: We knew [[CorruptBureaucrat Senator Wheiner]] was ''bad'', but we had no idea ''how'' bad. And what did he try blackmailing Walsh with? [[spoiler:Walsh is Goose's biological father.]]
34* ''WesternAnimation/TheAdventuresOfPussInBoots''
35** Most of the show's second season focused on completing a spell to restore the barrier that protects San Lorenzo. In the Season finale "No?", [[spoiler:the spell turns out to have been a fake, and ends up reviving an ancient evil instead.]]
36** The third and fourth seasons then focus entirely on preparing to deal with the implications of the previous season finale, all adding up to the penultimate episode of the fourth season "The Obelisk" [[spoiler:where the ritual the heroes have been led to believe can destroy the Bloodwolf turns out to be the ritual to finally summon it for real, apparently killing the ChosenOne in the process.]]
37* ''WesternAnimation/AllHailKingJulien'' has "King Juli-END?" that ends on a cliffhanger that sees its main character missing and presumed dead by his friends, in a series that had been an episodic comedy up until then. The next season finale, "Un-King Me" takes it a step further and has Julien completely defeated, forced to run away in retreat as the Kingdom and most of Madagascar is taken over by a ruthless warrior tribe.
38** "For Whom the Bell Gods Toll" has three major events in it: King Julien dies and is later put on trial to get another shot at living, [[spoiler:the Bell Gods rescue Maurice from his fall and reveal themselves to be merely snails, and Mort's multiple personas and voices inside of his head are revealed to be versions of himself from across the multiverse that he has absorbed, making him stronger and being able to live longer.]]
39* ''WesternAnimation/TheAmazingWorldOfGumball'' had "The Shell", where Penny breaks her shell [[spoiler:revealing her true form to be a [[EmpathicShapeshifter shapeshifting fairy]], and Gumball and Penny [[TheBigDamnKiss kiss]], [[RelationshipUpgrade starting their relationship]]]].
40** "The Oracle" starts off as a fairly light-hearted episode about Gumball trying to avert the future of him being naked on live television which was depicted on one of the paintings of Banana Barbara (the "Oracle"). [[spoiler:It ends with a [[WhamShot clip of Banana Barbara painting what appears to be the Watterson family running away from "The Void", the place where what the world deems as mistakes go to, which was introduced in the episode of the same name]]]].
41** "The Nobody" reveals that [[spoiler:[[TheNondescript Rob]] [[TheBusCameBack escaped the Void]] [[CerebusRetcon during the events of that episode]], [[BodyHorror at the cost of becoming horribly disfigured]], and he vows to become Gumball and Darwin's [[BigBad nemesis]]. In addition to that, further reference to the events of "The Void" indicates that Banana Barbara's painting from the end of "The Oracle" as mentioned above is closer to coming true]].
42** "The Bus" was just thought to be a simple pretend bus hijack to teach kids a lesson in skipping school gone wrong only to end up being set up for real, and not by accident either: [[spoiler:'''[[NotSoHarmlessVillain Rob aka Dr. Wrecker]]''' is the one who tricked the [[UnwittingPawn adults]] to get $1 million and use a real explosive to kill everyone on the bus. The fact that ''Gumball'' (along with audience first time seeing the episode) didn't see it coming means Rob actually made progress in being a real villain at an ''alarming rate'' after the last time we see him in "The Nemesis". From this point on, what may happened next in anyone's guess since he'll likely be out of jail and the painting from "The Oracle" might be happening ''sooner'' than expected.]]
43** The Season 4 finale "The Disaster" has Gumball in his DarkestHour with his life ruined before him... [[spoiler:his friendship with Darwin, Nicole and Richard's marriage ruined, Anais all alone and crying, and Penny mere moments away from death ''after heartbroken from thinking Gumball was cheating on her and was pushed off the second floor by him when he was controlled''... by Rob setting it all up with his Universal Remote. Rob tells him straight he never wanted to be the villain and revealed the bombshell ignored from "The Signal" that this world they live in is not even real so he plans to get rid of Gumball by pushing him into the Void so Rob [[ItsAllAboutMe can be whatever he wants]]. Gumball fights back and Rob throws the remote into the Void when losing, forcing him to jump into the Void to chase after the remote just as Rob wanted and he closed the portal thinking he's won as the credits play leaving the world to not reset from it. However, Gumball reaches the remote in time and presses the Rewind button on it to travel back to the beginning of the episode so he can SetRightWhatOnceWentWrong in the second part "The Rerun".]]
44** The second part from "The Disaster" and Season 5 premiere "The Rerun" [[spoiler:gives Gumball the second chance to undo the event... then the DarkestHour turned even '''darker''' due to the RetGone of Anais and Darwin's cruel death after being turned back into a normal fish before choking from lack of water thanks to the de-aging of Nicole and Richard as well as Penny in mortal danger once again. Gumball defeated Rob by ejecting him into the Void and takes the Remote... before he decides to [[SaveTheVillain rescue him]] out of the goodness of his heart. This action softens Rob to fix everything in atonement by rewinding to back to the beginning of "The Disaster". However, he's the only one well-aware of what truly happened and the world they live in. Despite Gumball wanting to be friends with him after what happened, Rob chose to have him forget about it for his sake so he'll live his life as a villain before destroying the Universal Remote... the painting from "The Oracle" also has ''yet'' to happen.]]
45** Season 6 episode "The Future" brings up Banana Barbara's ability to paint the future from "The Oracle" and in this episode she gets kidnapped. [[spoiler:It was Rob who kidnapped her and he is forcing her to paint the future but she keeps painting static instead, implying for some reason that she can't paint far beyond what's happening recently. Banana Barbara then reveals that she can also ''rewrite reality'' by making changes to her paintings which lead Gumball, Darwin, and Banana Joe straight to her. The fight that ensued ended with Gumball and Banana Joe erasing him off the painting and out of existence, but they bring him back to life by painting him again... of him falling into the Void. After Gumball speaks about seeing Rob in the future, Banana Barbara responded that ''[[WhamLine there is no future]]''. The episode ends with the static screen similar to what she painted of a mysterious person behind it, which might the same person that was in one of the new paintings she made at the beginning of the episode if you see her gallery of the ones next to the static kind. Like the painting she made at the end of The Oracle, the ones with static them are likely the clue to what will happen near the end. It's also implied that Rob was desperate to find out what's going to happen and that it's bigger than his own arch-enemy even, but we don't find out what he knows.]]
46** The final episode of Season 6 and [[Main/SeriesFauxnale former series finale]]: The Inquisition, [[JustForFun/HolyShitQuotient whoa nelly]]. The tone of the episode is...perhaps only marginally more serious than usual, but things go from zero to sixty in the last few minutes: The episode involves the school superintendent (a ''live-action human'') entering the school and trying to stamp out the cartoon-y and surreal antics of the school by turning it and all the students and faculty into live-action humans. Gumball and Darwin are able to save everybody from this fate and they and the restored students and faculty stop the superintendent as he tries to escape. But then it turns out that the superintendent [[spoiler:was really none other than [[BigBad Rob]], who insists that what he was doing [[WellIntentionedExtremist was for everyone's own good]] and all to avoid...[[AStormIsComing something horrible]]. Nobody believes him and Tina knocks him unconscious. In the middle of the night, Rob wakes up still at the school lamenting his failed plan to (supposedly) save everybody...which is quickly followed by a hole to the Void opening up in the ground and sucking Rob into it, and it becomes very clear that the disaster first alluded to in "The Oracle" is beginning to come to fruition. The scene freezes on the terrified Rob and fades to black as [[BrokenRecord a bar of the ending theme skipping over itself]] plays.]] Talk about your {{Cliff Hanger}}s...
47* ''WesternAnimation/{{Amphibia}}'' has quite a few:
48** A pretty big one happens in "Best Fronds", the second episode of the show. We learn of Sasha's fate, and that there may be a potential antagonist in the future.
49** "Anne vs. Wild": Anne confesses to the Plantars about the box that transported her to Amphibia, albeit without mentioning that she stole it. Hop Pop lies that he doesn't know anything about it, but is revealed to have a book that calls it a Calamity Box.
50** "Toad Tax": After a month of being ridiculed by the townsfolk, Anne finally gets their respect after defending them from the tax-collecting toads, becoming an honorary member of Wartwood.
51** "Bizarre Bazaar": WhamEpisode: Hop Pop buries the music box out of Anne's sight, thus not finding any answers to her request and lying to her.
52--> '''Hop Pop''': Sorry, Anne, but I can't have you showing this thing around. Too dangerous for all of us. Now it's where it belongs. Where no one can find it.
53** "Anne of The Year": At the end of the episode, Anne is finally reunited with Sasha, but unfortunately, she brought Grime and his army with her.
54** "Fort In The Road": It's revealed that Amphibia used to have technology a long time ago, which changes everything we know about the show, [[AfterTheEnd and hints at a possible explanation for why the music box is called the Calamity Box...]]
55** "Wax Museum": Anne discovers an item from her world that wasn't brought there by her, Sasha or Marcy. She also discovers that there are several more items like that, all of which are kept in Newtopia.
56** "Hopping Mall": We finally learn what happened to Sprig and Polly's mom. She died when they were both young and that Sprig doesn't really remember her.
57** "After the Rain": Anne finally finds out about Hop Pop hiding the music box—she's (understandably) furious and doesn't truly forgive until he tells her how he blames himself for what happened to Sprig and Polly's parents.
58** "The First Temple": It turns out King Andrias is working with some kind of MechanicalAbomination, seeking "revenge" and plotting to "undo" a prophecy.
59** The season two finale, "True Colors". Over the course of the episode, [[spoiler: Anne and Sasha learn that Marcy deliberately planned for them to end up in Amphibia, King Andrias formally unveils his plans to become an interdimensional conqueror, said monarch kills Marcy ([[OnlyMostlyDead as far as the main characters are aware]], anyway), and the episode ends with Anne and the Plantars on Earth, while Sasha remains in Amphibia.]] All in all, there's a good reason why the season three premiere is called "The New Normal".
60** "Turning Point": Sasha officially has a HeelFaceTurn, and she and Grime start training the Wartwood villagers to act as the resistance to Andrias.
61** "Anne-sterminator": Mr. and Mrs. Boonchuy start to learn the full details of what's going on with Andrias, the robot assassin has been destroyed, Anne uses her powers again, and the government is now getting involved.
62** "Olivia & Yunan": Yunan and Olivia officially defect from King Andrias, but fail to save Marcy, who ends up possessed by the Core.
63** "Mother of Olms": Mother Olm says that Anne, Sasha, and Marcy should all have powers from the Calamity Box gems, but only Anne still has hers, suggesting that Sasha and Marcy will need to get their powers back if they want to save Amphibia. She believes that as long Anne retains a piece of that power, she can awaken the power in her friends.
64** "The Core & The King": King Andrias' past is finally revealed... and it's not a great one.
65* ''WesternAnimation/{{Arcane}}'':
66** Episode 3: [[spoiler:Powder, trying to help Vi rescue Vander from Silco, ends up causing a massive explosion that kills Mylo and Claggor, forcing Vander to sacrifice his life to save Vi. Vi then snaps at Powder and blames her for everything, and while Vi is taken away by Marcus, Powder, now on her way to become Jinx, is taken in by Silco and his gang]].
67** Episode 9; '''[[DownerEnding Holy Shit]]'''. [[spoiler:Jinx kills Silco accidentally during a MexicanStandoff, with him affirming [[EvenEvilHasLovedOnes his love for Jinx]] as he dies; and because Vi is unable to give Jinx the trust she needs by killing Caitlyn, Jinx decides [[ThenLetMeBeEvil to fully embrace her nature]] and disowns Vi on the spot before going out with the Hextech gemstone and firing a missile directly into the council chambers... just seconds away from declaring peace with Zaun and, [[SavedByCanon with the exception of Jayce and Viktor]], [[UncertainDoom seemingly killing them all]]—beginning a truly inevitable war between Piltover and Zaun.]]
68* For a goofy spy comedy, ''WesternAnimation/{{Archer}}'' has a lot of these:
69** "[[Recap/ArcherS2E13DoubleTrouble Double Trouble]]": Barry gets turned into a cyborg and becomes DragonInChief to Jakov. Even more, he crashes Katya and Archer's wedding, and gets Katya killed in the process in one of the first real {{Tearjerker}}s of the series.
70** "[[Recap/ArcherS3E10CrossingOver Crossing Over]]": Barry usurps Jakov as head of the KGB, and subsequently murders him.
71** "[[Recap/ArcherS3E11SkinGame Skin Game]]": Katya is revived as a {{cyborg}}, but runs away with Barry.
72** "Viscous Coupling": Barry is rescued from the space station, thanks to Katya manipulating Archer, while Katya has become the head of the KGB.
73** "Sea Tunt, Part II": Lana is pregnant from a sperm donor and Archer drowns in the sinking sealab to save her and her baby, confessing his love for her in his final moments. Luckily, he is resuscitated afterwards.
74** "White Elephant": The Season 5 premiere literally changes the premise of the entire show. ISIS is not, and never was, an actual government-owned spy agency, and as such the headquarters are raided by the FBI. Brett is killed in the fight, and Malory is faced with having to disband ISIS to prevent her employees from being sent to jail. Abandoning their espionage work, the main characters form a cartel to sell a literal ton of cocaine Malory was storing in her office.
75** "Arrival/Departure": The entire ''Vice'' arc is concluded. Slater and Hawley were CIA agents who hired Mallory to monetize their cocaine supply. Mallory regains ISIS as a CIA organization. Lana gives birth to her child, whose father is revealed to be Archer.
76** "Edie's Wedding": Katya has dumped Barry for Boris. Barry is finally significantly injured, and his body is burnt, possibly to death, in a grain elevator.
77** "Pocket Listing": After six seasons, Archer and Lana ''finally'' get together.
78** "Reignition Sequence": Archer finally chooses Lana over Katya, and he makes amends to Katya before she leaves. His relationship with Lana is still significantly damaged. It's also revealed that Woodhouse has gone missing.
79** "Drastic Voyage": The CIA threaten to disband ISIS once again if they fail one more mission - being shrunk down to the size of a blood clot and inserted into the brain of a brilliant scientist. They actually end up failing the mission, killing the scientist and all other people in the room, leaving the gang without work once more.
80** "Deadly Velvet Part II": It looks as if Archer has nicely used a cyborg double to get shot by Veronica Deane in order to trick her into confessing to murder...only for the live Archer to be revealed as the cyborg, thus the ''real'' Archer is the one in the pool.
81** "No Good Deed": Woodhouse is revealed to be dead, and while Archer survived the previous episode, it put him in a coma. The rest of the season follows his [[AdventuresInComaland coma dream]] that he's a 1940's FilmNoir detective, trying to investigate the murder of Woodhouse.
82** "Cubert": Three years after Archer went into the coma and after [[GenreShift three self-contained seasons re-imagining the cast in new scenarios]], Archer finds a mysterious cube in space and begins seeing the others in their original designs while [[SanitySlippage losing his mind in the process.]]
83* ''WesternAnimation/{{Arthur}}'':
84** In "Arthur and Los Vecinos", Arthur's seldom-seen neighbor Mr. Sipple [[PutOnABus moves away]]. Moving into his house are the Molina family from Ecuador, and they stick around as recurring characters throughout the show, getting focus episodes like "Buenas Noches, Vicita", "The Blackout", and "Molina's Mulligan".
85** "Big Brother Binky" has Binky's family adopting a baby, Mei Lin, from China. Mei-Lin stays for the rest of the show, even getting a few major episodes (such as "Mei Lin Takes a Stand" and "Around the World in 11 Minutes").
86* ''WesternAnimation/TheAvengersEarthsMightiestHeroes'':
87** The 26th (and final) episode of season 1, "A Day Unlike Any Other" concludes with the Avengers saving Asgard and, by extension, the world from Loki. However... [[spoiler:Captain America has been replaced with a Skrull agent by the end of the episode, setting up next season]].
88** The next season has "Who Can You Trust?" Nick Fury learns that one of the Avengers is really a Skrull. The viewers have known which Avenger the Skrull replaced since the first season ended[[note]]see the entry above[[/note]], so the shock value derives more from seeing the Avengers' dependability give way to paranoia, which even drives three heroes into quitting the team. By the time the episode ends, the Avengers consist of half as many heroes as in the first season, and Captain America takes the leadership position Iron Man renounced. Finally, the viewers learn that the queen of the Skrulls has made her way to Earth, disguised as [[spoiler:one of Nick Fury's agents, Mockingbird]].
89* ''WesternAnimation/TheBatman'':
90** The season 1 finale, "The Clayface of Tragedy" has Ethan Bennett becoming [[CanonCharacterAllAlong Clayface]] and Ellen Yin ceasing her attempt to capture Batman by forging a partnership with him.
91** In the season 2 episode "Meltdown", Ethan undergoes a FaceHeelTurn by declaring ThatManIsDead and fully embraces being Clayface.
92** In the season 2 finale "The Night and the City", Chief Rojas learns of the partnership between Yin and Batman. He fires Yin and holds her hostage to get Batman to reveal his identity. Fortunately, Commissioner Gordon makes his first appearance and asserts his authority by ordering Rojas to release and reinstate Yin, as well as allow Batman to continue defending Gotham.
93** After being absent the entirety of season 3, Ethan returns in the season 4 episode "Clayfaces" and attempts a HeelFaceTurn by getting his life back. Batman is hesitant to trust him but has to when a new Clayface, Basil Karlo, emerges. Ethan holds Karlo enough for Batman to expose them to a cure. While Ethan is permanently cured and fully earns back the trust of Bruce, Karlo still has his powers.
94* ''WesternAnimation/BatmanTheAnimatedSeries'':
95** The two part episode "Two Face". Harvey Dent had already been established as a good, loving man at this point, and you're rooting for him every step of the way to not become a bad guy. ''[[TearJerker He]] [[ProtagonistJourneyToVillain does]]''.
96** "Heart of Ice". Not only for taking a joke villain like Freeze and turning him into a legitimate threat, but was the first time a cartoon show ever seriously delved into themes such as vengeance and that characters could die.
97* ''WesternAnimation/BatmanTheBraveAndTheBold'':
98** [[Recap/BatmanTheBraveAndTheBoldS2E11ChillOfTheNight "Chill of the Night!"]] is an UnexpectedlyDarkEpisode that deals with Batman's origin, the fact that it's one of the few times this version of Bruce Wayne is legitimately angry, and we finally see him unmasked.
99** "The Siege of Starro! Part Two" sees the death of B'Wana Beast.
100* WesternAnimation/BeastWars'' has a heavy one in "Code of Hero", an entire episode dedicated to Dinobot's DyingMomentOfAwesome where he takes on the entire Predacon lineup including the ImplacableMan Rampage and, as far as he knew, stop Megatron's plans of changing the future.
101* ''WesternAnimation/Ben10''
102** The first season finale, ''Secrets'', has the reveal that Grandpa Max had formerly worked for a secret organisation known as "the Plumbers", who had been dealing with aliens long before Ben got the Omnitrix, as had been foreshadowed throughout the season.
103*** The episode also has the first real encounter between Ben and ArchEnemy Vilgax, with the extra reveal that Max has history with the alien tyrant.
104---->'''Max:''' Benjamin, get in! Believe me when I say, you do ''not'' want to pick a fight with Vilgax.\
105'''Ben:''' [[INeverToldYouMyName Uh... how do you know his name is Vilgax?]]
106** ''Ghostfreaked Out'' reveals that Ghostfreak, one of Ben's original ten aliens, is actually sentient [[AndIMustScream and aware inside the Omnitrix]], before he successfully escapes the watch and begins hunting Ben down to merge with him.
107** The ''WesternAnimation/Ben10AlienForce'' finale ''The Final Battle'' also counts-- after losing the Omnitrix to Vilgax, Ben uses voice-control to activate it's self-destruct sequence as a threat to get it back. Vilgax attempts to call his bluff, only to discover Ben ''wasn't'' bluffing.
108*** Ben then successfully coerces [[EvilTwin Albedo]] into giving him his Ultimatrix by using the exact same threat, setting the stage for ''[[WesternAnimation/Ben10UltimateAlien Ultimate Alien.]]''
109* ''WesternAnimation/BewareTheBatman'' has episode seven, "Family", where [[spoiler:Bruce finds out about Katana's past, fires her and Alfred, is betrayed by Bethanie Ravencroft, and causes a civil war in the League of Assassins between Silver Monkey and Lady Shiva, all of this later revealed to be part of Bruce's master plan to weaken the League and "test" Katana, revealing his identity as Batman to her by the end]].
110** Episode ten, "Sacrifice", had [[spoiler:Anarky establishing himself as a major threat by messing with the League of Assassins and using the corpse of Ra's al Ghul as a bargaining chip against them. The episode ends with him returning it to Lady Shiva]].
111** The mid-season finale, "Fall", reveals that [[spoiler:Alfred and Tatsu's father had faced Ra's before, and the latter's betrayal might have forced the former to kill him with the Soultaker Sword. Also, Jason Burr overcomes his brainwashing, only to be a victim of the sword, Ra's is revived again, Batman is captured by the League of Assassins, Katana and Alfred barely escape alive, and the League succeeds in using the Ion Cortex to plunge Gotham into darkness]].
112** "Reckoning" brings resolution to the above plot points, but it also has the revelation that [[spoiler:Tatsu's father committed suicide by handing over the Soultaker to Alfred so his own soul could be absorbed, leaving Alfred with survivor's guilt]]. To make up for that, [[spoiler:Alfred leaves Bruce and Tatsu to make amends about his past life, which affects Bruce in the long-run]]. In addition, [[spoiler:the commissioner's death leads to Gordon getting promoted and paves the way for Harvey Dent's introduction]].
113** In "Animal", Batman's character arc comes to a head as [[spoiler:he becomes too unstable without Alfred and too reckless as his Batman persona, causing him to savagely beat and nearly murder Killer Croc. Alfred returns from his quest to help out Bruce once again]].
114** "Epitaph", within the first minutes, has [[spoiler:Bruce Wayne being ''killed'' by Batman himself. This starts a chain of events that reveals Dane Lisslow, recurring character and friend of Bruce's, as the fake Batman, Batman's reputation is ruined as he is successfully framed for Lisslow's crimes and is hunted down by the police as a terrorist, Deathstroke is revealed to have survived the events of "Hero", and Harvey Dent is injured and hospitalized. On top of that, Lisslow might not have even existed in the first place]].
115** "Twist" follows up on the events of the previous episode and it lives up to its title as it reveals [[spoiler:that Dane Lisslow and Deathstroke are both one of the same, and he has been planning a long, elaborate scheme throughout half of the season to culminate in the destruction of Alfred and Batman]]. In addition, [[spoiler:Anarky "twists" a disfigured and deranged Harvey Dent into getting revenge on those who wronged him, and Gordon quits as commissioner]].
116** The season finale ([[ScrewedByTheNetwork Which also doubles as the series finale]]), "Alone" features [[spoiler:Katana recruiting all of Batman's previous allies as the "Outsiders" against Deathstroke in a final battle. Deathstroke loses his eye and becomes amnesiac, Batman forms a team, Anarky is ready to continue his dangerous game, and Harvey Dent has new plans for Gotham as Two-Face]].
117* ''WesternAnimation/BigHero6TheSeries'' has a few:
118** "Small Hiro One": Hiro learns from Wendy Wower that Professor Granville, the new SFIT dean, taught there over 20 years ago, instead of starting that semester, as she had previously indicated.
119** "Mini-Max": Following on from the aforementioned episode, Hiro visits Professor Callaghan in prison, learning Granville did teach at SFIT before, but resigned following an accident she caused. Granville herself later tells him she took the blame for an experiment by one of her students, blaming herself for not controlling his inquisitive nature, and she and Hiro become better friends.
120** "Rivalry Weak:" The gang learns that something Lenore Shimamoto created caused a "great catastrophe" years ago, which led to San Fransokyo being rebuilt as it is now. Also, [[BigBad Obake]] reveals himself to the team for the first time.
121** "Countdown to Catastrophe": The first season finale, reveals that Granville's student [[StevenUlyssesPerhero Bob Aken]] is Obake[[note]] Though to be fair, [[CaptainObviousReveal people probably had figured that out]][[/note]] and his plan is to recreate [[MacGuffin Lenore Shimamoto's device]] and destroy the city, then rebuild it in his own image. Globby, one of the team's enemies, undergoes a HeelFaceTurn, Granville reveals to the team that she knew their secret identities, and Obake, upset when Hiro refuses to join him, gives up on his scheme and remains in his CollapsingLair, presumably dying (though it's noted they NeverFoundTheBody).
122** "Seventh Wheel": Liv Amara, who was previously seen as just simply a benevolent millionaire, makes a deal with Momokase and genetically alters her, revealing herself as the BigBad.
123** "Prey Date": Karmi manages to restore Orso Knox back from the monster he had become in season 1's "Big Problem." However, the end reveals that [[EvilutionaryBiologist Liv Amara]] was the one who transformed him in the first place, and she keeps him in line by noting she can re-transform him whenever she chooses.
124** "Lie Detector": Hiro learns Baymax has a lie detector function and tries to use it to expose Liv (having become suspicious of her actions two episodes earlier in "Something Fluffy"), but the detector indicates she's telling the truth when asked if she's responsible for the monsters. At the end, Liv approaches a mysterious person, who had been seen in stasis in the aforementioned episode and was implied as the reason for all of Liv's actions this season, and it's revealed that said person is... [[spoiler:''another'' Liv Amara!]]
125** "City of Monsters, Pt. 2": The Liv seen throughout this season is a clone of the real one, (who is in stasis due to side effects of an experiment to find immorality she attempted on herself), named Diana or "Di" and her sole purpose is to cure Liv. After abducting Hiro and having him use his nano-bots towards that end, Di realizes [[EvilFeelsGood she enjoys mutating people]] and decides to [[ILied go back on her offer]] to let him go and restore the mutated Karmi. Meanwhile, the rest of [=BH6=] have their hands full with the mutated villains, until they get Ned Ludd to regain control of Bessie ([[BearsAreBadNews now mutated into a bear]]), which disables the villains' chips, restoring them to normal. Liv is restored, but is displeased with Di's actions and she and Chris[[note]]who was revealed to also be a genetic creation of Di's[[/note]] are arrested. Hiro also makes peace with Karmi, only to find [[PutOnABus her parents pulled her out of SFIT due to everything that happened]].
126* Of all shows from of all studios, Creator/{{Filmation}}'s 1987 cartoon ''WesternAnimation/{{Bravestarr}}'' has a Wham Episode dealing with drug abuse, but it refuses to do with it what ''WesternAnimation/CartoonAllStarsToTheRescue'' did--sugarcoat it. The episode "The Price" deals with a kid who is turned onto a topical controlled substance called Spin. The perps are caught but the tag is tainted: The boy is found in his treehouse, dead of a Spin overdose. The episode ends with the boy's mother in agonized hysteria, with the final "pro-social message" scene showing Bravestarr laying a wreath at the boy's grave.
127* The ''WesternAnimation/CareBearsAndCousins'' episode ''The Bright Stuff'' finally revealed Wonderheart's belly badge power. A milder example than the other tropes listed here, but keep in mind that in the previous series ''WesternAnimation/CareBearsWelcomeToCareALot'', she spends the entire series searching for her power to no avail.
128* ''WesternAnimation/{{Centaurworld}}'': "[[Recap/CentaurworldS1E5ItsHidinTime It's Hidin' Time]]" reveals that the GreatOffscreenWar that was sporadically mentioned has having occurred in Centaurworld was fought by centaurs, alongside human allies, against the minotaurs, which are shown to be the same monsters as the ones currently ravaging the human world. This establishes the two universes as having shared a close connection in the past and the minotaur army as being a significant threat active in both universes rather than simply a native force of the human world, and sets the groundwork for further revelations about the nature of the series' main villain.
129* ''WesternAnimation/CloneHigh'' has two. The most notable would be the GrandFinale, in which [[spoiler:Abe realizes he's in love with Joan, Joan sleeps with JFK, and Scudworth locks them all in a quick freezer with the Secret Board of Shadowy Figures]]. The second one that might qualify would be "Litter Kills: Literally", which basically revolves around JFK mourning the death of his friend Ponce.
130* ''WesternAnimation/CodeLyoko'':
131** ''Code Lyoko'' has one in the Season 2 finale, where Aelita's memory is drained, and XANA escapes the confines of Lyoko. Followed by Franz returning Aelita's memory, which almost totally deletes him.
132** Then there's the Season 3 finale, which has William becoming TheDragon for XANA. There's also Xana forcing William to destroy Lyoko completely by possessing his body through the Scyphozoa. He [[CurbStompBattle effortlessly]] slashes through the Lyoko Warriors with his BFS, then floats off the edge of the highest platform to the Heart of Lyoko. William stabs it, and the entire virtual world collapses in on itself, taking the SixthRanger with it.
133** Season 4's finale was one wham after another. Jeremie's almost finished the program he needs to kill Xana, but the program isn't going down without a fight. When the Warriors are searching for Franz Hopper in the Ice Sector, the AI attacks and possesses William, who was denied the chance to go to Lyoko. What follows (on Earth) is one of the most brutal beatdowns ever seen on the show. The biggest punch: Jeremie's program can't run because it doesn't have enough power. Franz Hopper sacrifices himself to provide that power and ''dies.'' And this time, he doesn't come back. Aelita comes out of the scanner crying. She wasn't the only one.
134* ''WesternAnimation/CodenameKidsNextDoor'' had Operation G.R.O.W.U.P., the 1st season finale which set the stage for the show's eventual CerebusSyndrome, and it gets better from there.
135* ''WesternAnimation/CourageTheCowardlyDog's'' GrandFinale. "[[Recap/CourageTheCowardlyDogS4E52RemembranceOfCouragePastPerfect Perfect]]" is more or less of what you want to make of it, but "[[Recap/CourageTheCowardlyDogS4E52RemembranceOfCouragePastPerfect Remembrance of Courage Past]]" was the most serious episode throughout the entire series, included the worst {{Jerkass}} villain ''ever'' (making Katz the second crulest villian in the series), and was a major TearJerker. Why? [[spoiler:Because we find out what happened to Courage's parents and their current whereabouts.]]
136* ''WesternAnimation/DannyPhantom'':
137** The season one episode "Public Enemies" also falls under this, as it rather drastically changed the status quo. Before, ghosts were not widely recognized or even known, and so Danny Phantom flew (no pun intended) under the radar. All of a sudden, ghosts become a recognized enemy across the entire city that need to be fought against, and not only ''that'', but Danny Phantom becomes ''the number one enemy'' after being framed for kidnapping the mayor, all orchestrated spectacularly by Walker, whose [[MagnificentBastard bastardry]] will never again be understated.
138** "Reign Storm": Danny starts a friendship with Valarie [[DatingCatwoman that's clearly headed in a romantic direction]], Vlad reveals himself to Valarie as her benefactor and [[UnwittingPawn starts using her as a pawn]], Maddie forgives Vlad (for the moment), Vlad steals the Crown of Fire and the exo suit, Valarie's dad learns her secret identity, and Danny's HeroWithBadPublicity status is mostly lifted as many begin to view him as a hero thanks to him fighting Pariah Dark. The public also now knows him as "Danny Phantom" rather than the humiliating nickname "Inviso-Bill".
139** ''The Ultimate Enemy'': Danny's life has been going fine until he decides to cheat on the cat. One small mistake, and everything goes downhill. His friends and family end up ''dying horribly in an explosion'', and with no place to go, he ends up in Wisconsin living with Vlad. The guilt and sadness eats away at the kid to the point where he begs Vlad to remove his humanity, allowing him to rid himself of his emotions. Well, that backfires horribly. Danny's ghost half rips out Vlad's ghost half and fuses with it, creating a sociopathic monster that destroys most of the earth. The ResetButton got hit, of course, but the whole ''plot'' of the episode is just ''disturbing.'' And even then, after a season of being Danny's SecretSecretKeeper Danny finally learns that Jazz knows the truth about him.
140** The season 2 finale, "Kindred Spirits". For two seasons Vlad has mustered all his energy and strength to make Danny his son. Then we find out in "KS" that he had prepared a back-up plan to complete a perfect clone of him as a substitute (incidentally, that's also why Vlad gave Valerie her [[ChekhovsGun first ghost hunting suit]]) on the off-shot that the real Danny never will come to his side. Shit happens and one VillainousBreakdown later, Vlad changes his mind about the boy.
141* In "Dye! Dye! My Darling", the season 4 finale of ''WesternAnimation/{{Daria}}'', tensions between Daria, her best friend Jane and Jane's boyfriend Tom came to a boiling point. The scene where Tom and Daria agree that they can't stab Jane in the back then immediately spontaneously kiss in his car was enough to induce {{Spit Take}}s in the audience (a lot of whom declared the series "Ruined FOREVER!" as a result). The episode and thus the season ended with Jane and Tom splitting up, Daria and Jane agreeing they could still be friends but needed to spend some time apart from each other, and with Daria's phone ringing and her answering it to hear "Daria? It's Tom..."
142* The Easter special episode of ''WesternAnimation/DaveyAndGoliath'' where Davey's grandmother dies.
143* ''WesternAnimation/DawnOfTheCroods'' had "Dawn of the Broods," the Season 2 finale and "It Takes Ahhh! Valley," the Season 3 premiere, both of which introduced changes that would last till the show's end; the former introduced [[EvilCounterpart the Broods]] who would go on to be recurring villains, and the latter had Grug named the new leader of Ahhh! Valley.
144* The ChristmasEpisode (And GrandFinale) of Nickelodeon's ''WesternAnimation/{{Doug}}'', "Doug's Christmas Story", was very different. It starts when Porkchop bites Beebe's leg to get her away from thin ice, but [[ArrestedForHeroism he's blamed for attacking her and is sent to the pound]], where if he's not proven innocent, would be put down.
145* ''WesternAnimation/DragonBooster'''s plot changed significantly when Armageddon showed up in talking amulet form, promising power for Moordryd, the antagonist, which led to him becoming the Shadow Booster and ultimately rebelling against his father. This had far more impact than Mortis revealing that he is Connor, Artha and Lance's dad, and not as dead as they thought. The lack of impact for the latter event was because the fandom had assumed that for months.
146* The early parts of ''WesternAnimation/TheDreamstone'', with the exception of the pilot, were mostly a [[HarmlessVillain Harmless]] VillainProtagonist series revolved around the Urpneys and fairly laid back. "A Day Out" starts off as this, but midway turns into a PerspectiveFlip on the heroes [[EarnYourHappyEnding for once are struggling and using full wits and valour]] to stop Zordrak, who not only has the Dreamstone, but unveils a far more menacing motive for using it (to become "LOOORRD OF THE UUUUNIVEERRRSE!!!"). While episodes after revert back to comical Urpney plots, the more even SympatheticPOV for the heroes, and the slightly more hectic sense of menace, are often maintained.
147* ''WesternAnimation/TheFairlyOddParents'': The second half of the show has a tendency to introduce new characters (intended to be permanent) in its season premieres.
148** "[[Recap/TheFairlyOddParentsS3E21TheSecretOriginOfDenzelCrocker The Secret Origin of Denzel Crocker!]]" has a massive reveal: Crocker used to have fairy godparents, and they were none other than Cosmo and Wanda. He's obsessed over fairies because he left a note to himself saying that "fairies ''do'' exist!" right before he lost them. Timmy goes back in time to try to fix it... but Cosmo messes it up. This reveal gets brought up again in later episodes like "[[Recap/TheFairlyOddParentsS5E12TheGlandPlan The Gland Plan]]" and "[[Recap/TheFairlyOddParentsS5E15HassleInTheCastle Hassle in the Castle]]", and gets another major focus in the SequelEpisode "Let Sleeper Dogs Lie".
149** Season 6's premiere, ''WesternAnimation/FairlyOddBaby'', sees the birth of Cosmo and Wanda's baby, Poof -- a milestone, as he's the first fairy baby in a million years. Poof sticks around as a major character until season 10.
150** This gets followed up next season with "Anti-Poof", which brings up the point that Poof doesn't yet have an [[EvilCounterpart anti-fairy counterpart]]. Cue the birth of Foop, and the rest of the episode focuses on their battle. Unlike Poof, Foop actually sticks around until the very end of the show, getting a couple of episodes based around him.
151** Season 9 starts with "Fairly [=OddPet=]", which has Timmy adopting a pet dog, Sparky. Sparky sticks around for the entire season before [[ChuckCunninghamSyndrome inexplicably disappearing in the next]].
152** "The Big Fairy Share Scare!" introduces new character Chloe, and the season's gimmick of Timmy needing to share his fairies with her. Chloe appears in every episode of the season as a major or supporting character.
153* ''WesternAnimation/FamilyGuy'':
154** First there was "[[TenLittleMurderVictims And Then There Were Fewer]]". TV anchorwoman Diane Simmons is being replaced by a younger woman ([[HollywoodMidLifeCrisis she just turned 40]]) and at the same time stood up by her new love interest James Woods...so she concocts [[GambitRoulette an elaborate scheme]] to kill James and frame co-anchor Tom Tucker for the murder. When things [[SpannerInTheWorks don't quite]] go [[Manga/DeathNote just as planned]], James and semi-regular cast member Mrs. Goldman are KilledOffForReal, as well as Jillian's husband seen only once before, Quagmire's [[KavorkaMan current]] girlfriend, and James' second girlfriend. Then Diane almost kills Lois after Lois figures things out, and is turn killed by Stewie ([[TheOnlyOneAllowedToDefeatYou who claims to be the only one who can kill Lois]]). Tom meanwhile is successfully framed and sent to prison.
155** By the next episode Tom's out of prison and James Woods has been brought back from the dead, but all the other changes so far seem to have stuck, which is also part of the reason why Joyce Kinney was hired as the new TV anchorwoman.
156** It's not the only ''WesternAnimation/FamilyGuy'' episode to be a Wham Episode. It's simply titled "Brian and Stewie". The ColdOpening and lack of cutaway gags is a giveaway that something is going to go down. Basically it's about Brian and Stewie locked in a bank vault over a weekend. It had the usual ''Family Guy'' antics, including Brian eating Stewie's poop, Stewie drunkenly piercing his ear, and a gun from Brian's safety deposit box ricocheting around the room. It eventually dies down and we're wondering what's about to happen next, then Stewie asks why [[DoesntLikeGuns Brian]] has a gun. He tells him that it's in case he ever decides to commit suicide as he cannot find a purpose in life; the alcohol is meant to be his last drink. Stewie is horrified and admits that Brian is his best friend, and sometimes making another person happy is enough.
157** "Screams of Silence: The Story of Brenda Q." a DarkerAndEdgier VerySpecialEpisode that dealt with DomesticAbuse in a straight and serious way. Here, Quagmire tries to help his sister overcome domestic abuse and rub out her abusive boyfriend in a confrontation that takes a turn for the worse.
158** "Life of Brian"---[[spoiler:the one where, as you probably have heard by now, Brian dies]]---was this when it first aired, since it [[spoiler:ended with Brian Griffin ''still'' dead and replaced by Vinny]]...
159** And then the ChristmasEpisode a mere three weeks later ended with [[spoiler:Stewie preventing Brian's death, and retconning it all away]]. [[WordOfGod Seth Macfarlane]] later claimed the whole thing was done for shock value, to remind all the viewers it was a show where anything could happen and likely would. (Meaning, it was ''meant'' to be a Wham Episode with a ''huge'' Wham.)
160** "Peter's Sister" - Turns out that Peter abused Meg all these years because that was the way he was treated by his sister Karen. After Meg saves his life by bashing a chair to Karen's head, Peter, and the rest of the family as a result, start to treat her better. [[spoiler:They still treat her like crap, but this time it's the same crap they give to most people, not the specific and cruel kind of earlier seasons.]]
161* ''WesternAnimation/FriskyDingo'' does these quite a lot. The second season plotline of Xander and Killface running for President took a sudden turn when someone finally pointed out that, since Xander's only 32 and Killface isn't a U.S. citizen, neither of them can actually get elected President. In a rage, Killface cripples Xander, kills his cute animal mascot, and vows to finally destroy the world like he said he would in Season 1.
162* ''WesternAnimation/{{Futurama}}'':
163** [[Recap/FuturamaS4E2LeelasHomeworld "Leela's Homeworld"]] finally answers the longtime question of the identity of Leela's parents. They're not aliens as long-believed, but ''sewer mutants'' who gave up their baby daughter so she could live a better life than them on the surface world.
164** [[Recap/FuturamaS4E10TheWhyOfFry "The Why of Fry"]] reveals that Fry's 1000-year freezing in the cryogenics tube was ''no accident'', but the work of ''Nibbler'' to bring Fry to the future and stop the [[EldritchAbomination Brain Spawn]] (previously seen [[Recap/FuturamaS3E7TheDayTheEarthStoodStupid "The Day the Earth Stood Stupid"]], which also qualifies due to the reveal that Nibbler is actually intelligent).
165* ''WesternAnimation/TheGhostAndMollyMcGee'': In "I Wanna Dance With Some-Ollie", Molly tells Scratch that she's calling off her relationship with Ollie, deciding that being with a ghost-hunter is not worth putting her friend in danger. Unbeknownst to her, Ollie overhears the whole thing and, now knowing that Molly is friends with a ghost, finds himself being forced to choose between her and ghost-hunting.
166* El Manana, Music/{{Gorillaz}}' music video in which {{Moe}} Noodle [[spoiler:apparently DIES]]. Also the Plastic Beach interviews which show Murdoc to now be mentally and physically abusing 2D quite horribly.
167* ''WesternAnimation/GreenEggsAndHam2019'':
168** In "House", Sam reveals to Guy that he'd been lying about the fun times he had with his mother, and that she actually [[ParentalAbandonment abandoned him at an orphanage when he was young]]. At the end, it's revealed that Sam wasn't really trying to save the Chickereffe, but instead [[TheMole bring it to Mr. Snerz]].
169--->'''Narrator:''' Oh my goodness. I'm speechless. It's such a surprise. The one working for Snerz wasn't the Bad Guys. It was ''Sam'' all this time, right in front of our eyes.
170** The following episode, "Boat", reveals that the Bad Guys, contrary to their name, are actually animal rescue agents trying to stop Sam, and it ends with Goat successfully stealing the Chickereffe from Sam and Guy.
171[[/folder]]
172
173[[folder:H-P]]
174* "Helga on the Couch" from ''WesternAnimation/HeyArnold''. Helga gets sent to a child psychologist, where the truth comes out about why she acts the way she does... It involves inattentive parents, and a sister whose standards she'd never be able to reach in her parents' eyes.
175* ''WesternAnimation/HuntikSecretsAndSeekers'' has the episode that reveals that [[spoiler:Zhalia is TheMole for the Organization.]]
176* ''WesternAnimation/InfinityTrain'':
177** Book 1 has "The Ball Pit Car" and "The Past Car". The former was a light-hearted episode that [[MoodWhiplash turns dark quickly]] when [[spoiler:the Steward and the Conductor attack Tulip, try to kill One-One and the Cat, and turn Atticus into a Gohm]], while the latter reveals that the Conductor [[spoiler:is [[SamusIsAGirl a human woman]] named Amelia who took over the Infinity Train from the original Conductor.]]
178** Book 2 has "The Mall Car" and "The Wasteland". The former reveals that [[spoiler:the other passengers MT and Jesse met in the previous episode are part of a denizen-hating cult who believe Amelia was the true Conductor]] and ends with [[spoiler:Jesse's number reaching zero, only for the duo to learn too late that he can't take MT with him, leaving her at the mercy of the Mirror Police]]. Meanwhile, the latter has [[spoiler:the show's first instance of KilledOffForReal, with MT graphically murdering one of the officers in self-defense]].
179** Book 3 has "The Color Clock Car" and "The Hey Ho Whoa Car". The former ends with [[spoiler:Simon killing Tuba, as well as the reveal that Hazel isn't human]]. The latter reveals that [[spoiler:Hazel is one of Amelia's failed attempts to recreate Alrick]] and ends with [[spoiler:Simon learning that Grace purposefully didn't tell him about Hazel's inhuman status]].
180* In ''WesternAnimation/IronManArmoredAdventures'', the first season finale is one pretty much from start to finish. Everything that could've gone wrong has done so by the end of it.
181* ''WesternAnimation/JusticeLeague''
182** The episode "A Better World" starts off looking like a BatmanColdOpen with Superman, Wonder Woman, and Batman fighting their way past Mooks to stop a BigBad. It's ComicBook/LexLuthor. No surprise there. But Lex taunts Superman about Supe's complicity in Lex's crimes because Supe always holds the HeroBall like it's stuck to his palms with Krazy Glue. Then come the 'whams': (1) Superman murders Lex Luthor; (2) he's glad he did it; (3) the camera pans out the window to reveal that Superman just killed the President of the United States; (4) then the JLA takes over the entire planet. Good news: all of that was just from an alternate reality. Bad news: the JLA from said reality soon figures out how to travel to the main reality, planning to take over the world there as well.
183** The 3-part episode ending season 2, "Starcrossed", turns out to be a WhamEpisode too. Hawkgirl is TheMole for the Thanagarian Empire, and always has been. She helps them take over the planet. [[spoiler:She turns against her own people when she realizes they will destroy her adopted home and helps the Justice League prevail. But the JL satellite is destroyed in the process, and Hawkgirl quits the League before finding out if she had been expelled from the team.]]
184*** [[spoiler:In the following season, she finds out Superman gave the deciding vote to keep Hawkgirl in the League, noting he believes in second chances.]]
185** Let's not forget the ''Justice League Unlimited'' episodes that dealt with the Cadmus Arc. About half of seasons one and two to be exact.
186*** Culminating in the episode "Question Authority" which had six Wham ''moments'' topping each other: [[spoiler:Luthor finding out his cancer had gone into remission, The Question finding out the secret of the Justice Lords, The Question deciding to avert fate by killing Luthor so that Superman couldn't, Luthor issuing a CurbStompBattle on the Question and revealing his Presidential campaign was a lie, Superman finding out his old ally Professor Hamilton had ''volunteered'' for Cadmus, and Captain Atom showing up at the last moment revealing he has orders to ''stop'' Superman from rescuing the Question.]]
187*** The arc had one more Wham to go; in the last few moments of "Panic In The Sky", we discover that the true ManBehindTheMan isn't Luthor, but actually [[spoiler:Brainiac, who was ''fused into Luthor's body'']].
188* ''WesternAnimation/KingOfTheHill'' has "Death of a Propane Salesman," in which it is revealed that [[spoiler:Buckley died in the propane explosion at Mega Lo Mart]]. Luanne goes slightly insane attempting to hide her grief.
189* ''WesternAnimation/KipoAndTheAgeOfWonderbeasts'':
190** "[[Recap/KipoAndTheAgeOfWonderbeastsS1E05TheAstronomersInTurtlenecks The Astronomers in Turtlenecks]]": Kipo manifests mutant-like night vision and slit-pupiled AnimalEyes when it gets too dark for anyone to see the wolves, providing the first hint that she isn't fully human.
191** "[[Recap/KipoAndTheAgeOfWonderbeastsS1E10BeyondTheValleyOfTheDogs Beyond the Valley of the Dogs]]" is this for two reasons:
192*** Firstly, the backup shelter city is attacked by Scarlemagne's forces, who proceed to capture several inhabitants, including Kipo's father.
193*** Secondly, Lio is revealed to not only know about Kipo's burgeoning mutations, but also to have a personal history with Scarlemagne.
194* ''WesternAnimation/KulipariAnArmyOfFrogs'' has a few, but Episode 12 is ''the'' defining episode that eradicated the status quo. [[spoiler:Lord Marmoo burns down the Amphibilands, kills Arabanoo, defeats the Kulipari, and subdues Darel. [[DownerEnding It ends with Darel kneeling at Marmoo's feet and all the survivors wounded and homeless]].]]
195* ''WesternAnimation/{{Metalocalypse}}'':
196** In the season one finale, Dethklok's concert is attacked.
197** In the season two finale, they get attacked ''again'', with the result that their home is burning to the ground and their manager is dying from his injuries.
198** In the season three premiere, the manager reveals that he had faked his death.
199** In the season 03 finale, "Doublebookedklok", Offdensen witnessed Selatcia's MindRape of General Crozier in the season 02 finale and may have been affected by it somehow, particularly in relation to Selatcia. The Tribunal are highly suspicious of Offdensen and suspect he has knowledge of their mysterious Falconback Project. And finally, Offdensen is keeping Edgar Jomfru tucked away in Mordhaus and is possibly using him in order to spy on or make plans for the Falconback Project. Oh, and Dethklok ''brought peace to the Middle East''.
200** In "Dethdinner", Pickles announces that he's quitting the band after getting fed up with Nathan's bullshit. Then, "Breakup Klok" had Mr. Salacia reveal his true form on Dethklok's final concert, and kills their producer Roy Cornickelson. Finally, "Church of the Black Klok" revealed how Ofdensen survived, that Dethklok are part of a prophecy where they are the [[TheChosenOne Chosen Ones]], why Nathan destroyed the record (a prophet that guided him) and Cornickelson's funeral is attacked by the Revengencers with Abigail and Toki getting kidnapped (the latter by former Dethklok member Magnus Hammersmith).
201* ''WesternAnimation/MiaAndMe'' has one in the episode "My Name Is Varia", the 15th episode of the second season. [[spoiler:Mia's rival Violetta obtains a shard of the gem from Mia's bracelet, which brings her to Centopia whenever Mia goes there.]]
202* ''WesternAnimation/MiraculousLadybug'':
203** Season 1 episode 24, "Volpina", and its direct followup Season 2 Episode 1 "The Collector". Over the course of the episodes, it is revealed that there are other Miraculous besides the ones wielded by Ladybug, Cat Noir, and Hawk Moth, Marinette meets Master Fu, [[TheChooserOfTheOne the Great Guardian of the Miraculous]], Hawk Moth's secret identity is confirmed without doubt to be Adrien's father Gabriel, and Gabriel's assistant Nathalie is revealed to be Hawk Moth's willing accomplice.
204** Season 3 episode 25 "Heart Hunter" and episode 26 "Miracle Queen": Chloe [[NotBrainwashed is willingly akumatized]] and outs all of the other temporary heroes other than Bunnyx to Hawk Moth in the process. Master Fu passes being a Guardian of the Miracle Box on to Ladybug, and it turns out this costs him most of his memories. Hawk Moth is also able to take possession of Master Fu's translation of the Miraculous grimoire and use it to repair the damaged Peacock Miraculous.
205** Every episode in Season 4 had some sort of shake-up to the status quo, but the second half of the two-part season finale, "Shadow Moth's Final Attack", ended on the biggest bombshell of them all. [[spoiler:Félix spends most of the episode posing as Adrien (who had previously left France for a little globetrotting) to fool Marinette, but after Strike Back's defeat, he reveals his true colors and uses [[SummonToHand the power of the Dog Miraculous]] to get his hands on Ladybug's yo-yo and steal ''every single Miraculous it contains.'' He proceeds to hand them all to [[BigBad Gabriel]] on the condition that he make Félix the new wielder of the Peacock Miraculous.]]
206* Episode 23, "The Devourer", of ''WesternAnimation/MonsterAllergy'' has many revelations. Jeremy is placed under Magnacat's mind control after he is caught spying on the meeting between the Gorkas and Dark Phantoms; under his influence, he sabotaged Zick's teleskates that teleports him in Magnacat's hideout instead of Bibbur-Si to warn Timothy of the evil alliance. Zick has lost his powers including his ability to see monsters because his Dom energy is absorbed by the Dom Devourer, but the bright side is Elena, his best friend who can't see monsters, can ''finally'' see monsters.
207* ''WesternAnimation/MoralOrel'' season 2 finale, ''Nature''. Clay takes Orel into a forest for hunting where his behavior suddenly gets tensed of getting drunk, berating him, shooting him in the leg, and refusing to heal his leg. This results in season 3 being changed from light to dark.
208* ''WesternAnimation/{{Motorcity}}'': The first episode of the two-part season finale "Vega" is this: [[spoiler:Mike asks Julie to lead the burners if "something should happen to him" even though Julie already told Kane she would take over if something were to happen to him, the Duke betrayed the Burners and helped Kane capture Mike, and now Mike is in jail, will be executed and Motorcity is in chaos]].
209* ''WesternAnimation/TheMrPeabodyAndShermanShow'' abruptly abandons its variety show format at the end of its second season finale as [[spoiler:Mr. Peabody travels to the events of a story he was telling, and accidentally creates a time paradox.]]
210* ''WesternAnimation/MyAdventuresWithSuperman'':
211** Season 1, Episode 4, "[[Recap/MyAdventuresWithSupermanS1E03LetsGoToIvoTowerYouSay Let's Go to Ivo Tower, You Say]]": The episode ends with Clark and Lois finally overcoming their shyness and entering the beginning stages of their relationship... only for it to be completely upstaged when Lois manages to figure out that Clark is Superman.
212** Season 1, Episode 9, "[[Recap/MyAdventuresWithSupermanS1E08ZeroDayPartTwo Zero Day, Part 2]]": The General's [[GivenNameReveal name is revealed to be Sam]], as in ''Sam Lane'', Lois' father. The events of Zero Day are finally revealed as having been an attempted AlienInvasion that the General and Waller were the only survivors of, with Nemesis Omega, the term Task Force X has been referring to Superman by, being established as the mysterious leader behind the invasion, whose army of robots have the symbol of ''Brainiac'' on them. Clark learns that he is seemingly a LivingWeapon sent to Earth to continue the invasion. Livewire discovers that she's developed natural ShockAndAwe powers. Slade finally loses his right eye in a fight with Livewire when the Suicide Squad escapes. Jimmy discovers File X and learns of the existence of evil alternate Supermen just as Lois gets over her fear of Clark possibly turning evil. And Amanda Waller, having allowed the Suicide Squad to escape, resulting in Parasite's ensuing rampage, uses these events to remove the General from power and take control of Task Force X.
213* ''WesternAnimation/MyLittlePonyFriendshipIsMagic'':
214** "[[Recap/MyLittlePonyFriendshipIsMagicS2E3LessonZero Lesson Zero]]" shakes up the formula by allowing any of the Mane 6 to write the episodes' [[AndKnowingIsHalfTheBattle friendship lessons]], a role previously reserved just for Twilight. This means that she no longer needs to appear in every episode. Later seasons drop the explicit friendship letters entirely.
215** "[[Recap/MyLittlePonyFriendshipIsMagicS3E13MagicalMysteryCure Magical Mystery Cure]]": Twilight rewrites an ancient spell, thereby becoming an alicorn princess.
216** "[[Recap/MyLittlePonyFriendshipIsMagicS4E26TwilightsKingdomPart2 Twilight's Kingdom: Part 2]]": Twilight's library is destroyed; Discord's HeelFaceTurn is nearly complete; Twilight is dubbed Princess of Friendship; and Twilight is given a new castle of her very own, with thrones for herself and all her friends ([[TheOneGuy including Spike]]).
217** "[[Recap/MyLittlePonyFriendshipIsMagicS5E19CrusadersOfTheLostMark Crusaders of the Lost Mark]]": The Cutie Mark Crusaders finally get their cutie marks, thus ending a major plot arc that had been ongoing since season one. Also, they get their ArchEnemies Diamond Tiara and Silver Spoon to undergo [[HeelFaceTurn Heel-Face Turns]]. Unlike Twilight's ascension, which was spoiled weeks beforehand and even during commercial breaks both before and during that episode's first run, there was ''no warning whatsoever'' that anything like this was going to happen (aside from some hints in "[[Recap/MyLittlePonyFriendshipIsMagicS5E6AppleoosasMostWanted Appleoosa's Most Wanted]]", and the fact that it was a MusicalEpisode like Twilight's ''and'' the fifth anniversary of the series, that nobody managed to pick up on). Never before had the fandom been blindsided as it was here.
218** "[[Recap/MyLittlePonyFriendshipIsMagicS6E17TheTimesTheyAreAChangeling They Times They Are A-Changeling]]": Thorax proves that the Changelings are ''not'' inherently evil, and his acceptance by the cast opens up new story possibilities.
219** ''[[Recap/MyLittlePonyFriendshipIsMagicS6E26ToWhereAndBackAgainPart2 To Where and Back Again, Part 2]]": Thorax causes the Changelings to pull a HeelRaceTurn and overthrow Queen Chrysalis, evolve into beautiful new forms, and make Thorax their new leader. After this, the changelings become a permanent fixture of the show's roster of friendly races and Thorax remains as a member of the secondary cast, while Chrysalis is reduced from a major threat with an army at her disposal to a hermit in the wilderness.
220** ''[[Recap/MyLittlePonyFriendshipIsMagicS8E11MoltDown Molt Down]]": Spike hits dragon puberty and ends up growing a swanky new pair of wings.
221* ''WesternAnimation/{{Ninjago}}'' has had quite a few of these in it's long history.
222** "Tick Tock": Zane is revealed to be a robot.
223** "The Green Ninja": Lloyd is revealed to be the Green Ninja.
224** "Child's Play": Lloyd is aged up to being a teenager.
225** "The Titanium Ninja": Zane sacrifices his original body to defeat the Overlord.
226** "The Corridor of Elders": Garmadon sacrifices himself to defeat the Anacondrai Cultists.
227** "The Temple on Haunted Hill": Cole is turned into a ghost.
228** "Dread on Arrival": Garmadon is resurrected.
229** "Nyad": Nya merges with the Endless Sea.
230** "The Council of the Crystal King": Harumi is revealed to be alive.
231* ''WesternAnimation/{{Numberjacks}}'' has many episodes where Three is deemed "too small a number" to go out by herself and has to go with one of the bigger Numberjacks. Come the episode "3 Things Good", the launcher breaks before Four can join her on the mission and she's going solo. She does other solo missions after this.
232* ''WesternAnimation/OKKOLetsBeHeroes'':
233** T.K.O.: The first half-hour episode, as well as the first truly serious episode of the series, We are introduced to Turbo K.O. (T.K.O. for short), and Shadowy Figure. Both end up being game-changers for the series.
234** Let's Take a Moment: [[spoiler:Not only do we ''finally'' see the rainy night sandwich flashback in full, we also learn how it's connected to Laserblast. On a mission to disarm dangerous weapons in an unknown villain's lab underneath a donut shop, Laserblast went inside alone to disarm them while Carol and Gar stood watch. Gar chose the wrong time to confess his feelings for Carol (who was in a relationship with Laserblast), and tried blocking Carol off from helping Laserblast when he could've needed it. This wound up being a case of MyGreatestFailure for poor Gar as an explosion came from the donut shop, clearly from the weapons as the ruined shop immediately rose from the surface, shrunk, and entered a black hole, leaving Laserblast's fate unknown. Carol was understandably furious and Gar left P.O.I.N.T. in shame. This flashback occurred during an attack from Steamborg and Gar apologizes to Carol for what happened. The two appear to reconcile while ultimately defeating the robot, but at the end, Carol heads inside the dojo and checks in through an earpiece, telling an unknown person that everything is in control and that there is no need to send in a unit. Said call won't be explained until later.]]
235** You're In Control: [[spoiler:K.O. and T.K.O. come to a (likely temporary) agreement to share their power, K.O. levels up to level 1, and Boxman is ousted from Boxmore, losing control of it to Darrell.]]
236** Mystery Sleepover: [[spoiler:Turns out, P.O.I.N.T Academy isn’t what it seems... and neither is Chip Damage. Somehow, Chip has access to glorbs (which previously debuted back in T.K.O.'s House) and is secretly pumping the honor students full of glorbs to give them an edge. Either they use the power boost themselves to make the school look good, or Chip forcibly activates it.]]
237** Final Exams: Continuing from where "Mystery Sleepover" left off, [[spoiler:the truth is finally revealed about Chip's actions. Namely that he's a robot created by Doctor Greyman to serve as an inspiration to the world and proof that P.O.I.N.T. could still be the heroes they were thought as following Laserblast's disappearance and the subsequent departure of El-Bow (a.k.a. Mr. Gar). Only he's deviated from his programming with the Gifted program and the heroes are forced to deactivate him. Enid chooses to leave P.O.I.N.T. because she can't support their current ideals. Foxtail reveals that she's the one responsible for Chip's actions, explaining that she's guiding P.O.I.N.T. and the idea of heroes in general in a much harsher and cynical direction. She fires Greyman for protesting her ideals and ends the episode ominously looking over a schematic of the Plaza.]]
238** Carol Quest: [[spoiler:In explanation of the ending of "Let's Take a Moment", Carol is revealed to still be working with P.O.I.N.T. and P.O.I.N.T. is revealed to not only be aware of the Glorb tree under the plaza but also acting to defend it from villains looking to exploit it- without Gar's knowledge.]]
239** Boxman Crashes: [[spoiler:In a rather shocking {{snapback}} from what happened all the way back in "You're In Control", Lord Boxman regains control of Boxmore through Professor Venomous buying out the board of villains and the duo entering a partnership for the sake of villainy.]]
240** Dark Plaza: [[spoiler:Foxtail finally makes her move and takes over the plaza, and after about two months of Lakewood Plaza being oppressed by P.O.I.N.T., K.O. leads a resistance to stop her. Once the dust is settled and Foxtail leans the error of her ways, she steps down as leader of P.O.I.N.T and Elodie takes her place. Also, all the heroes get upgrades on their pow cards, and Mr. Gar allows K.O., Enid, and Rad to join him on his secret missions.]]
241** TKO Rules!: [[spoiler:After going too far in his mischief and betraying K.O.'s trust, T.K.O. is banished into K.O.'s subconscious.]]
242** [[ExactlyWhatItSaysOnTheTin "Big Reveal"]]: Carol reveals to K.O. [[spoiler:that his father is [[PosthumousCharacter Laserblast]]. K.O. goes out to confront [[MadScientist Professor Venomous]] with this new information, only for the villain to reveal that not only is Laserblast not dead, but also that [[LukeIAmYourFather he WAS Laserblast]]]].
243** Let's Get Shadowy: In a plot twist on top of a plot twist, we finally learn who Shadowy Figure really is. [[spoiler:Turns out Professor Venomous (already revealed to have once been Laserblast) had unknowingly developed his own "Turbo" alter-ego in his experiments to try and regain the powers he had lost long ago... ''and Shadowy Figure IS that Turbo Alter-Ego!!!'']]
244** Carl: T.K.O. finally escapes from K.O.'s subconscious and imprisons K.O. in retaliation, thus allowing him to take full control once again. Even worse, Professor Venomous and Shadowy Figure have apparently come to an agreement, [[SplitPersonalityMerge thus merging into their own perfect form, Shadowy Venomous]], and T.K.O. returns to his villain role from his debut, joining forces with Shadowy Venomous to wreak havoc upon the world.
245* ''WesternAnimation/TheOwlHouse'':
246** "The Intruder": It's revealed that Eda is called "the Owl Lady" because she is cursed to transform into owl-like monster if she doesn't drink a special elixir. Also, Luz learns her first magic spell.
247** "Hooty's Moving Hassle": Willow reveals to Luz that she and [[AlphaBitch Amity Blight]] [[WeUsedToBeFriends used to be friends]] until Amity got her powers and she didn't.
248** "Escape of the Palisman": The Bat Queen turns out to be a former palisman that who somehow got separated from her giant owner. Meanwhile, Eda's curse continues to get worse, as her elixir is no longer working.
249** "Understanding Willow": When Amity accidentally damages Willow's memories, she and Luz venture into her mindscape to repair them. While in there, the "inner Willow" angrily confronts Amity over breaking off their friendship, but she then reveals it was because her parents made her do it and wanted her to be friends with the kids they picked for her.
250** "Enchanting Grom Fright": Luz learns a GreenThumb spell, Amity is confirmed to have feelings for Luz, and ''someone'' has been writing letters to Luz's mother that are supposedly from Luz at camp.
251** "Agony of a Witch": Ordered by the Emperor to capture Eda or risk banishment, Lilith kidnaps Luz to lure her into fight to the finish. During their battle, Lilith accidentally reveals that ''[[EtTuBrute she]]'' [[EtTuBrute was the one who cursed her]], and Eda, after using up the rest of her magic to save Luz, [[HeroicSacrifice allows herself to succumb to the curse]] and get taken into the Emperor's Castle. The episode ends with Luz, [[HeroicBSOD totally broken and at a total loss of what to do]], breaking down crying as King and Hooty try to console her.
252** "Young Blood, Old Souls": Emperor Belos has plans for the human world, Eda loses her magic, Luz is stranded in the Boiling Isles when she burns the portal, and Lilith turns against the Emperor.
253** "Escaping Expulsion": The Emperor has officially brought the Blights into his fold for their new Abomaton Army.
254** "Keeping Up A-fear-ances": It's revealed how Eda found the Portal Door, which was just buried in the dirt of the Clawthorne's estate, and that she has no idea where it came from. Gwendolyn reveals that Luz isn't the first human to wind up in the Boiling Isles and that a substance called Titan's Blood could be the secret to her returning home. Lilith leaves the Owl House to return home to her parents so they can all work on a cure to the curse. Most important however is that summer camp is over and Camila... doesn't know that Luz is trapped on the Boiling Isles because '''''a doppelganger of Luz has taken her place!'''''
255** "Through the Looking Glass Ruins": Luz gets information about Philip from the echo mouse that ate his journal. Amity kisses Luz on the cheek and has an ExpositoryHairstyleChange by cutting her bangs and dying her hair purple.
256** "Knock, Knock, Knockin' on Hooty's Door" manages to be a triple example due to being broken up into three sections:
257*** King's section: Not only is more about demons shown, but it's also revealed that no one can determine exactly what type of demon King is, or even if he is one at all. King doesn't take this too well, and ends up getting MakeSomeNoise powers via TraumaticSuperpowerAwakening. Also, the creature that's implied to be King's dad shows up at the end to deliver a letter and leave. Hooty sees a bug on it and eats it, assuming the letter to be junk mail.
258*** Eda's section: Thanks to Hooty drugging Eda with a powerful dream-inducing sleep powder, a lot of info on her past is shown. She had a habit of pushing people away because of a time she accidentally hurt her father while transformed, a habit which also caused her and Raine to break up. There's also the past of the Owl Beast; it was trapped on an island seemingly formed out of a ''different'' Titan corpse by some figure cloaked in celestial patterns, and made its way to the Boiling Isles as a scroll that was picked up as garbage. While in her intense dream state, Eda realizes that as much as she was fighting the Owl Beast, it was also fighting her. Eda is able to calm the beast a bit and bond with it, giving her a new form that she can control.
259*** Luz's section: Luz really wants to ask Amity to go out with her, but fears she's not good enough. In order to help, Hooty kidnaps Amity and then forces the two onto a very lame TunnelOfLove ride. Luz fears this will cause Amity to think she is lame, but Amity thinks that Luz just isn't into her. Hooty has a breakdown from thinking he failed Luz, and nearly destroys the house. Eda and King use their new powers to protect everyone and calm Hooty down, and Amity and Luz both ask each other out, getting a RelationshipUpgrade in the process.
260** "Eclipse Lake":
261*** Belos' face is shown for the first time without his mask on, revealing a vine-like mark across the left side of his face. In addition, the audience learns that he's been to the human world before.
262*** There is a heavy hint that the Golden Guard is an ArtificialHuman creation called a Grimwalker, and that he's a literal ingredient in Belos' plans.
263*** Amity gets a white cat palisman named Ghost. The portal key is also broken by Amity, with Amity keeping half of the Blood found inside while Hunter steals the rest.
264** "Elsewhere and Elsewhen": Luz and Lilith travel via a time hole to the Deadwardian era, before Emperor Belos arrived and outlawed wild magic, and they find that things were actually rather peaceful then. They finally meet Philip Wittebane, [[BrokenPedestal who turns out to be a proud, manipulative jerk with a disdain for witches]]. In the final scene, Philip is shown to be feeding on Palisman essence to keep himself from transforming, revealing that '''''[[TwoAliasesOneCharacter Philip IS Belos!]]'''''
265** "Hollow Mind": Luz and Hunter end up in Belos' mindscape, and the two of them discover a number of dark truths that had been foreshadowed in previous episodes: Belos (AKA Philip Wittebane) is a ''[[BurnTheWitch witch hunter]]'' who has been manipulating the people of the Boiling Isles for centuries, ''killing innocents'' [[FalseFlagOperation to make wild magic look bad]], using countless more innocents as unwitting guinea pigs for his "coven system", and devouring the ''souls'' of palismen to sustain his powers and his unnaturally long life. Furthermore, Hunter is an artificial lifeform called a "grimwalker", just like all the previous Golden Guards, and ''they'' were all killed after [[HeelFaceTurn trying to turn against Belos]] (they're also implied to be clones of Philip's brother, [[SiblingMurder whom he apparently killed]] for sympathizing with witches). He's also working with a mysterious entity called the Collector, who is [[SealedEvilInACan trapped in the Titan's body]] and helping Belos in exchange for their freedom. And what is Belos' ultimate goal? ''[[FinalSolution The destruction of all magic, witches, and demons]]''. Hunter, knowing [[IdentityBreakdown his life is a lie]] and [[YouCantGoHomeAgain he can never go back to the Emperor's Coven]] now that the Emperor knows he's discovered his secrets, flees into the night in a fit of panic, and poor Luz [[HeroicBSOD just looks absolutely shell-shocked]].
266** "Edge of the World": King is actually a baby Titan, the Collector has a cult of Titan-hunting witches (what King's supposed family turns out to be) worshiping him and apparently needs a Titan's power to be freed, and the episode ends with the Emperor's Coven about to attack the Owl House.
267** "King's Tide": The plan to stop the Draining Spell by having Eda pose as Raine with a sigil of her own is foiled and the spell is activated as planned, and Eda's curse causes her to almost crumble away before Raine removes the arm that has the sigil on it. Meanwhile, Luz tricks Belos into getting a sigil in the hope that he'll stop the spell, only for it to cause him to turn into a more monstrous form. It turns out that [[IrrevocableOrder the spell can't actually be stopped once activated]], but King finds the Collector and makes a deal with him to free him if he'll stop it, which he does by ''moving the moon out of the way of the sun'', showing [[RealityWarper just how powerful he is]]. He also seemingly kills Belos effortlessly, splattering him into goo. Then when the Collector begins to ''tear apart their surroundings'', Luz, Amity, Gus, Willow, and Hunter end up trapped in the Human Realm after escaping. The very end of the credits also reveal that Belos [[NotQuiteDead isn't completely gone]], as a piece of his remains made it through with them and is sentient enough to close a door...
268** "Thanks to Them": After being trapped in the Human Realm for months, the Hexsquad discover a secret map that could help them find a way back to the Demon Realm after Hunter's Palisman Flapjack helps to uncover it. Meanwhile, Luz is very depressed over everything that happened and how much danger she inadvertently put everyone in that she plans to remain in the Human Realm even when the others find a way to return home. Belos ends up [[DemonicPossession possessing]] Hunter when the boy touches the piece of his remains, allowing him to get into a cut on his finger. While the others try to fight him, it isn't until Belos fatally wounds Flapjack that Hunter manages to take back control and try to stop him, but Belos still opens a portal to the Demon Realm [[VillainExitStageLeft and escapes]], and Hunter only survives because Flapjack [[HeroicSacrifice uses the last of his life to save him]]. Camila decides that she will come along to the Demon Realm before Luz has a chance to tell everyone that she planned to stay behind, and [[IChooseToStay aside from Vee]] they all go through the portal, not only having to deal with whatever the Collector has done but also Belos' return.
269** "For the Future": We learn that the Collector is merely the child of a species of Collectors, who is apparently the LastOfHisKind like King, a falling apart Belos possesses the Raine puppet to manipulate the Child from the Stars against Luz and company when an initial plan to possess him fails, Hunter learns that he can do magic through Flapjack's sacrifice, and Luz's Palisman egg finally hatches into a "[[VoluntaryShapeshifting snake shifter]]" named Stringbean.
270* ''WesternAnimation/PhineasAndFerb'':
271** "Where's Perry? Part 1" ends with Phineas, Ferb, and their friends falling down a deep gorge, Jeremy apparently breaking up with Candace, [[spoiler:Perry, and this is the clincher, suddenly vanishing after being hit by several inators at the same time]] and [[ArsonMurderandJaywalking Linda and Lawrence without dinner reservations]], all of which are thankfully resolved by part 2.
272** "Happy Birthday, Isabella" manages to ''breach'' StatusQuoIsGod by having [[spoiler:Stacy learn about Perry's identity and avoid getting her mind erased]].
273[[/folder]]
274
275[[folder:Q-Z]]
276* The second season finale in ''WesternAnimation/ReBoot'', which kicked off its first real StoryArc with a bang. The finale was set around an invasion by the web and an EnemyMine situation. But all within the last few moments it ended up with Bob, who is in every regard the most important person on the show, being betrayed by Megabyte and exiled to the web, leaving the BrattyHalfPint as the designated hero to stop Megabyte. Compounded by the agony of the third season being stuck for so long in DevelopmentHell.
277** Used again early in season 3. Remember that new guy keeping Mainframe safe? Well we can kiss him goodbye too.
278** Sacrifice and a lot of the My Two Bobs arc are pretty whammy themselves.
279* The ''WesternAnimation/{{Recess}}'' episode "The Biggest Trouble Ever", which is about the gang accidentally breaking a statue of the town's founder, are branded criminals and are nearly transferred to six separate schools.
280* ''WesternAnimation/RegularShow'' with "Steak Me Amadeus". To keep things brief, [[spoiler:Margaret reveals that she has been accepted into her dream collage and has to move away, leaving both Mordecai and Margaret heartbroken]].
281** "The Real Thomas". [[spoiler:Thomas turns out to be a Russian spy and tries to steal the park, only to have a HeelFaceTurn when he learns that Russia plans to destroy the park and kill the Park Crew as part of a convoluted plan to destroy America, and has to go on the run afterwards.]]
282** There's also the very last episode, which, among other things, features the death of one of the main characters: [[spoiler:Pops Maellard]]. And it's a [[TearJerker very sad death]].
283* ''WesternAnimation/RickAndMorty'':
284** "Rick Potion #9," in which [[spoiler:Rick and Morty accidentally unleash a BodyHorror virus infecting all of Earth and wrecking it beyond repair, then they escape to an alternate universe where they suffered a brutal death very shortly after fixing their version of the problem. They then bury their alternate counterparts, and seamlessly replace them. Morty suffers a huge HeroicBSOD because of this]].
285** "The Wedding Squanchers": [[spoiler:It turns out that Rick, Birdperson, Squanchy and other friends of theirs are "terrorists" rebelling against the Galactic Federation. Tammy, Summer's friend and Birdperson's fiancee, turns out to be an undercover agent of the Federation and kills Birdperson, and their wedding turns out to be a sting operation. After Rick forces the family to go on the run with him, the episode ends on a CliffHanger where Rick turns himself in to the Federation [[IWantMyBelovedToBeHappy so his family won't suffer because of him and live a normal life on Earth]].]]
286** "The Rickshank Rickdemption" manages to resolve the previous episode's CliffHanger in a stupendous way. [[spoiler:Rick manages to escape the Galactic Federation, destroying both them and the Council of Ricks in the process. Morty and Summer view the ruined dimension from "Rick Potion #9", and Beth divorces Jerry. Rick also reveals that he used the rescue of Summer and Morty as leverage to prevent Beth from kicking him out and getting her to divorce Jerry, leading to him having total freedom to do whatever he wants... though how serious he is about this is up for debate. Also, under Tammy's supervision, Birdperson is rebuilt as Phoenixperson.]] To top it all off, the episode was aired without warning on AprilFoolsDay.
287** "The Ricklantis Mixup": [[spoiler:A Morty becomes the first democratically-elected president of the Citadel, rebuilding from its destruction back in "The Rickshank Rickdemption". Unbeknownst to all but one Morty (who is thrown out of an airlock before he can warn anybody), it's actually [[TheBusCameBack Evil Morty]] who has seized control of the Citadel.]]
288** "Rickternal Friendshine of the Rickless Mort" is the first episode to give us a clear, definitive look into Rick's past through his memories, specifically when he was 35. [[spoiler:Young Rick admonishes his older self for becoming one of the Ricks that go "moving in with abandoned adult Beths" and living with a version of "our dead daughter." That coupled with Young Rick not knowing who Morty is means that Rick's original Beth died before she was able to have kids. One memory also shows Young Rick and Bird Person fighting other Ricks for revenge over the death of an unspecified woman who could be his wife Diane or Beth. This also gives credence to the idea that the deaths of Diane and Beth shown in "The Rickshank Redemption" may not have been ''completely'' fabricated by Rick.]]
289** "Rickmurai Jack", ''and how'':
290*** [[spoiler:The Citadel has been manipulating Beths and Jerrys to get together and make Mortys. And to meet supply-and-demand, they also have a whole cloning facility to clone Mortys that treats them like mass-produced and disposable livestock.]]
291*** [[spoiler:Evil Morty's plan has been to escape the corner of the multiverse where Rick is the smartest man in every universe. He succeeds and is revealed to have his own unique yellow-colored portal tech, which he uses to explore the now-opened Multiverse.]]
292*** Rick's entire backstory is revealed, and it ultimately confirms what we saw in "The Rickshank Rickdemption". To elaborate: [[spoiler:"a Rick" killed Rick C-137's wife and daughter, so he went on an [[RoaringRampageOfRevenge anti-Rick killing spree]] until he established the incarnation of the Citadel we first saw, then left to rejoin a version of Beth that had been abandoned by a Rick.]]
293** "Solaricks": The Rick who left his Beth and the Rick that killed ''our'' Rick's Beth are revealed to be one and the same (referred to as "Rick Prime" from here on in). Our Rick has gotten one step closer to finding him, thanks to accidentally sending all Ricks and Mortys back to their original timelines.
294** "Unmortricken": [[spoiler:Evil Morty returns and we learn his origin story, Rick catches up to Rick Prime and finally gets his revenge (leading him to ponder [[WhatNowEnding what happens next]]), and we learn that Diane was not only killed by Rick Prime, but he used a superweapon to kill ''every version of her in the multiverse''... the plans for which Evil Morty now has in his possession.]]
295* ''WesternAnimation/RobotChicken'': "Fight Club Paradise" begins with the titular chicken escaping from the Mad Scientist's laboratory (thanks to a maid), and ends with him getting revenge on the Mad Scientist after he abducts and tortures his wife whilst killing some characters (and sparing a fair few including The Nerd) in the process, but what really drives the point home is that for once the season ends with the show ''not'' getting canceled. For a show that gets canceled after every season but gets renewed by the next, this is an exception (Possibly because the bloodbath caused it to get AdoredByTheNetwork).
296* ''WesternAnimation/{{Rugrats}}'': The Mother's Day episode explains what happens to Chuckie's biological mom: [[spoiler:She died of an [[SoapOperaDisease unexplained but terminal illness.]] It culminates with [[DeadManWriting a letter the dying woman wrote to her son for him to read when he was older.]]]]
297* Episode 35 of ''WesternAnimation/TheSecretSaturdays'', "And Your Enemies Closer". Argost turns out to be a cryptid himself, the yeti that killed Drew and Doyle's parents, kidnaps Zak, kills Zak's MirrorUniverse [[EvilCounterpart counterpart]] by using the Flute of Gilgamesh to steal his Kur powers; which leaves him with the power to raise a army of cryptids. Naturally, the JustForFun/HolyShitQuotient was through the roof.
298* ''WesternAnimation/TheSimpsons'' took the world by storm in the episode "Simprovised" when the last three minutes were done live, a first in the history of animation.
299** A better example is the episode with the death of Maude Flanders. First time that a recurring character is killed off.
300** At the end of "Lisa the Vegetarian", Lisa remains a vegetarian. This was [[WagTheDirector done at the insistence]] of Music/PaulMcCartney and his wife, both only agreeing to voice themselves if Lisa's vegetarianism became permanent.
301** In a similar fashion to the above, "She of Little Faith" has Lisa convert to Buddhism, and ends up remaining a Buddhist to this very day. We start seeing Lisa meditate like a Buddhist more frequently, and try to force her beliefs onto others. Even though Richard Gere did not specify that Lisa had to remain a Buddhist to agree to guest star as himself, the makers of the series knew that to have him appear, Lisa would have to remain a Buddhist for the rest of the series.
302** Milhouse's parents get divorced in the Season 8 episode "A Milhouse Divided"[[note]]though they get back together in "Little Orphan Millie" from Season 19[[/note]]. However the divorce results in a permanent character change for both of Milhouse's parents, as his mother Luanne sports a new character design that is still used to this day, and his father Kirk would be established as a perpetual failure from here on in.
303* ''WesternAnimation/SolarOpposites''
304** "Terry and Korvo Steal a Bear": [[spoiler:The Duke escapes The Wall via a secret tunnel leading to the outside world. When Cherie suggests using the tunnel to get everyone else out, Tim kills her and becomes the new ruler.]]
305** {{Subverted|Trope}} in "Retrace-Your-Step-Alizer", where, right at the end, Terry acknowledges that the events of the episode are so extreme and alarming that they can't be really happening, and he turns out to be right.
306* ''WesternAnimation/SkylandersAcademy'': By the end of the season 2 finale ''Touch of Evil'', Kaos has all but overthrown the Doom Raiders, Strykore has been released, Kaossandra has joined the Skylanders, Spyro has turned evil, and Eon is revealed to be Kaos's father.
307* ''WesternAnimation/SpiderManTheAnimatedSeries'':
308** "Turning Point." The Green Goblin learns Spider-Man's true identity and proceeds to wreak havoc on his life. Mary Jane is supposedly killed in the ensuing bridge battle. The viewers know that she survived, but she fell through a time-dilation accelerator portal - leaving her lost in a void and quite a TearJerker for Peter's reactions.
309** Followed up down the line by Mary Jane, quite some time after her mysterious return from this, was revealed to have ''Hydro-Man's powers.'' As your mouth is still hanging open from that, we find out why - she's a clone made by Miles Warren, and adding the (also a clone) Hydro-Man's power to turn to water and put himself back together helped keep her stable. Unfortunately, it's not perfect, and she does die when her body eventually degenerated, with Peter just as helpless to do anything about it as before.
310* The GrandFinale of ''WesternAnimation/TheSpectacularSpiderMan'' reveals that Norman Osborn was the ''only'' Green Goblin, even during season 1 - he'd ''framed Harry'' for his crimes and the Norman we saw when "Harry" was elsewhere as the Goblin was in fact the Chameleon. What about the time Harry had the injury the Goblin had sustained? ''Norman broke his own son's leg.''
311* ''WesternAnimation/StarWarsTheCloneWars'':
312** [[Recap/StarWarsTheCloneWarsS1E22HostageCrisis "Hostage Crisis"]] not only introduced an original character, Cad Bane, who immediately comes across as a badass and unlike most villains thus far succeeds in his mission, nearly wiping out a room full of Senates and an unarmed Skywalker in the process but fueled the launch of Season 2 which in two episodes is already DarkerAndEdgier than almost everything the first season had to offer.
313** Also worth noting is various episodes in the series achieved this status by totally reversing the "kiddie" status some of the earlier episodes gave the show. It is likely different for every viewer, but most agree that "Rookies" was the one that paved way for the more mature episodes to come later in the series.
314** The villains that paved the way for Cad Bane in the Ryloth Trilogy weren't too stupid either, but they each had a fundamental weakness: the commander of the blockade did not expect Anakin's suicide run because of his pride, the droid in ''Innocents of Ryloth'' did not perceive the Twi'leks themselves as threats until they were ripping him apart, and Emir Tambor stalled long enough for Mace Windu to capture him because of his greed. Unlike these villains Cad Bane's only weakness seems to be that nobody else is as badass as he is.
315** Season 3's Mortis trilogy, for our two main characters:
316*** Anakin Skywalker realizes the burden on his shoulders as The Chosen One, which was something he previously dismissed as a myth. He also witnesses both himself and Ahsoka turn to the dark side, and will most likely do whatever it takes to stop that from happening. Well, regarding himself turning evil, yeah, [[Film/RevengeOfTheSith about that]]...
317*** Ahsoka Tano sees a vision of her future self telling her to stay away from Anakin. The Son also tries to convince Ahsoka about something similar, that Anakin wouldn't rescue her when she was held captive. Through "Sithsoka", she also reveals her subconscious fears and resentments: her frustration towards Anakin's criticality and dissatisfaction.
318** The 4-part Umbara arc in season 4 is one of these (especially since it started right after the LighterAndSofter episodes focused on the Droids), in particular the episode "Carnage of Krell".
319** If that doesn't do the job, at the end of season 4, [[spoiler:'''Darth Maul''' is back and pissed off]], and soon enough becomes one of the villains in season 5. And to show how mad he is, especially at [[spoiler:Obi-Wan for slicing him in two]], he says he'll slaughter a village unless [[spoiler:Obi-Wan]] comes to him. And Obi-Wan does come on over, [[spoiler:only to find out Darth Maul ''slaughtered'' the entire village anyway]].
320*** Even before that, the Nightsisters trilogy in Season 3. Dooku abandoning [[spoiler:Ventress]] pretty much takes the cake, though many other moments qualify.
321** The Season 5 finale throws one hell of a curveball at us. [[spoiler:Ahsoka's [[ClearMyName name has been cleared]], the High Council welcome her back to the Jedi Order, offering to promote her to Knight. We think we're being set up for our little Jedi to take the next step up the ranks... [[DespairEventHorizon "I'm sorry, Master. I'm not coming back".]] Ahsoka's faith in the Order has been utterly shattered by them refusing to have faith in her innocence. In response, she ''[[DownerEnding leaves the Jedi Order]]''.]]
322* The SequelSeries, ''WesternAnimation/StarWarsRebels'' contains its fair share of wham as well.
323** [[Recap/StarWarsRebelsS1E10VisionOfHope "Vision of Hope"]] reveals that [[spoiler:Gall Trayvis, one of the few senators to speak out against the Empire, was actually in league with them the entire time. He used his transmissions as a front to hide his true intentions: finding and eliminating insurgents]].
324** [[Recap/StarWarsRebelsS1E11CallToAction "Call to Action"]] sees [[spoiler:Grand Moff Tarkin arrive on the scene, only to behead his most incompetent officers, then predict the heroes' next move. While they succeed in hacking the Imperial communciations, Kanan is captured, and Tarkin destroys the tower after only one transmission]].
325** The first season finale, [[Recap/StarWarsRebelsS1E13FireAcrossTheGalaxy "Fire Across the Galaxy"]], is an even '''''bigger''''' wham episode. [[spoiler:The heroes steal aboard Tarkin's personal Star Destroyer to rescue Kanan. While they get him free, they find the Inquisitor waiting for them. He duels Ezra and Kanan, only to knock Ezra out, causing Kanan to go into an UnstoppableRage. Kanan then defeats the Inquisitor, driving the latter to [[DrivenToSuicide suicide]]. They escape the Star Destroyer, only to have half the Imperial Navy on their tail. But Chopper has gone to get help from another Rebel cell, and rescues them in the nick of time. The episode ends with the reveal that not only did Ahsoka Tano survive ''Revenge of the Sith'', but she has been working for the Rebels the entire time. The [[WhamShot final shots]] of the episode reveal that Palpatine has sent Darth Vader himself to deal with the Rebels.]] You may wish to take a few minutes to catch your breath after watching the episode.
326** The Season 2 premiere, [[Recap/StarWarsRebelsTheSiegeOfLothal "The Siege of Lothal"]], is no less brutal, and follows hot on the heels of the aforementioned finale. [[spoiler:Darth Vader sets a trap for the rebels which results in the citizens of Lothal turning against them. They are forced to leave, but find that the Empire has cut off their escape. Sneaking into a nearby Imperial base, they try to steal a shuttle, but find Vader waiting for them. He [[CurbStompBattle curbstomps them]], and they escape only because ''he lets them''. ''Then'' they go to Tarkintown, only to find it burned and its citizens arrested. They finally make their escape back to their fleet -- only to find that their shuttle was rigged with a tracking device. Vader shows up moments later, and [[OneManArmy personally tears their fleet in half]], killing nearly all their pilots and destroying their command ship. Only Hera's [[AcePilot amazing pilot skills]] enable them to escape. Even worse, Ahsoka and Vader become aware of each other. Ahsoka is so shaken by the revelation that Anakin is alive -- not to mention [[FaceHeelTurn that he is a Sith Lord]] -- that she ''faints'', and when she wakes up, she denies any knowledge of who or what he is. Vader, meanwhile, ''lets the survivors escape again'', because he wants to use Ahsoka for his own ends, and sends another Inquisitor after the rebels.]]
327** The Season 2 finale, [[Recap/StarWarsRebelsS2E19TwilightOfTheApprentice "Twilight of]] [[Recap/StarWarsRebelsS2E20TwilightOfTheApprenticePartII the Apprentice"]]. Kanan, Ezra and Ahoska travel to Malachor and encounter not only Inquisitors but [[spoiler:''Darth Maul''. After helping Ezra recover a Sith Holocron and teaming up with them against the Inquisitors, Maul betrays the group and [[EyeScream blinds]] Kanan. Ezra uses the Holocron to unlock the Sith Temple... which turns out to be a planet-killing superweapon. Before he can deactivate it, [[FromBadToWorse Darth Vader arrives]] and curbstomps him again, this time destroying his lightsaber. Ahsoka then has a brutal fight with Vader, where she's forced to accept that he really is Anakin. Vader says [[ThatManIsDead he destroyed Anakin]], and Ahsoka taps into the Dark Side herself, seeking to avenge her former master by killing the monster he's become. When Kanan and Ezra manage to remove the Holocron and shut down the weapon, Ahsoka Force-pushes them out of the temple as its doors close, giving them no choice but to leave her for dead. Then, in the final scene back on the ''Ghost'', Ezra sits in his quarters with the Sith Holocron, which can only be accessed by those corrupted by the Dark Side, and opens it.]]
328** Naturally, the season 3 finale, [[Recap/StarWarsRebelsS3E19ZeroHour "Zero]] [[Recap/StarWarsRebelsS3E20ZeroHourPartII Hour"]], continues in the tradition. [[spoiler:The rebels' base on Atollon is destroyed by the Empire, and a lot of them die, bringing an end to their plans, which they'd been working on the entire season, for an assault on Lothal's factories. Commander Sato [[HeroicSacrifice dies]] {{ramming|AlwaysWorks}} ''Phoenix Home'' into Admiral Konstantine's [[NoWarpingZone Interdictor]] so Ezra can escape and bring back reinforcements. Kallus' cover as [[TheMole Fulcrum]] is blown, and he's captured by Thrawn, but manages to escape and join up with the rebels. The episode ends with the surviving rebels en route to Yavin IV.]]
329** The Season 4 episode [[Recap/StarWarsRebelsS4E08JediNight "Jedi Night"]]: [[spoiler:Kanan]] dies. As of now, AnyoneCanDie.
330* ''WesternAnimation/StretchArmstrongAndTheFlexFighters'':
331** "The Age of Flexarium". Stretch, Omni-Mass, and Wingspan just stopped Stretch Monster's plans to unveil his Flexarium Army, and are about to have some snowcones courtesy of their ally and benefactor, Jonathan Rook. All's well that ends well, right? [[spoiler:Until Rook gives them snowcones laced with poison, followed by the revelation that he is actually the Stretch Monster all along, while Dr. C and Blindstrike are their allies (and the latter was revealed one episode earlier as their classmate Riya), and the season ending on Rook turning Charter City against them.]]
332** "The Fall of Jonathan Rook". [[spoiler:Rook's obsession with destroying the Flex Fighters leaves him vulnerable for the Tech Men to take over his company and dispose of him. Also, Malcolm Kane, who at that point had been established as a mentor to the heroes and who had a HeroAntagonist relationship with them at worst due to Rook, is revealed to be the Tech Men's villainous leader, Number One.]]
333* ''WesternAnimation/SymBionicTitan'':
334** "A Family Crisis". [[spoiler:Octus is KilledOffForReal by an energy-absorbing monster. Lance and Ilana are unable to use Titan.]]
335** Before that, "The Fortress of Deception". [[spoiler:Other people know about Lance, Ilana, and Octus's secret. Such as government agencies.]]
336* ''WesternAnimation/TangledTheSeries'' is ''full'' of these, starting in the last third of the first season:
337** "Queen For a Day": Corona is almost destroyed by a deadly blizzard, Rapunzel is forced to make gut-wrenching decisions, the king, queen and Pascal nearly ''die'', and most notably, Varian, the alchemist whom Rapunzel had been visiting about her hair, undergoes a StartOfDarkness after his father gets encased in amber and vows payback on Rapunzel for turning her back on him.
338** "The Quest For Varian": Rapunzel's tower is destroyed.
339** "The Alchemist Returns": The magical flower is revealed to be powerless, and its magic was transferred to Rapunzel.
340** "Secret of the Sundrop": Rapunzel's hair cannot free Quirin from the amber, and the rocks are revealed to have a purpose for her.
341** "Destinies Collide": Eugene discovers he's the son of King Edmund of the Dark Kingdom, and Cassandra betrays Rapunzel and merges with the Moonstone.
342** "Rapunzel's Return": Cassandra is revealed to be the biological daughter of Gothel, and was jealous of Rapunzel always getting the attention. Also, Varian pulls a HeelFaceTurn, and his father is finally freed from the amber.
343** "Beginnings": The reason behind Rapunzel's HairReboot is revealed; part of the Moonstone's powers were transferred to her hair when she touched the Black Rocks.
344** "Cassandra's Revenge": The Enchanted Girl that had been following Cassandra is really a new form of Zhan Tiri.
345** "Race to the Spire": Cass mind controls the Brotherhood of the Dark Kingdom, and Rapunzel meets Zhan Tiri for the first time.
346** "Once a Handmaiden...": Cass seizes control of Corona, leading into the GrandFinale.
347* ''WesternAnimation/TeenTitans'':
348** The first season finale puts the every previous StoryArc episode in a whole new context when Slade reveals that all the villainous plans he set up were just tests of Robin's skill, who he wants to serve as his new apprentice. And is willing to kill all of Robin's friends to make it happen.
349** "Birthmark" from Season Four has Slade coming back from dead, and revealing that Raven is going to end the world.
350** Then there's the fourth season finale, where Raven voluntarily [[TheEndOfTheWorldAsWeKnowIt brings the world to an end]]. [[spoiler:For a while.]] Seeing that Slade is a charred skeleton beneath his mask was just gravy.
351* ''WesternAnimation/TeenageMutantNinjaTurtles2003''
352** "The Shredder Strikes Back" two-parter has the Turtles battling the Foot Clan in April's apartment. What follows is probably their first major defeat in the show, and they're forced relocate to Casey's farmhouse in order to
353** "The Search for Splinter" two-parter takes the relatively grounded adventures of the Turtles and increases the Sci-fi elements, as it's revealed that Splinter was taken by aliens called the Utroms.
354** "Secret Origins" three-parter reveals the origins of the ooze that mutated the Turtles, its connection to the Utroms and the Shredder's backstory as an alien himself.
355** "Exodus" two-parter has the Shredder definitively defeated, as his attempt to leave the planet fails, he's trialed for his crimes by the Utrom Council and sentenced on an ice asteroid for the forseeable future.
356** "Scion of the Shredder" and "Prodigal Son" have Karai, Shredder's adoptive daughter, destroy the Turtles' lair while Leo is away and forces the rest to scatter. When he returns , they relocate to an abandoned bulding in Central Park.
357* ''WesternAnimation/TeenageMutantNinjaTurtles2012''
358** TCRI: The Turtle discover the Kraang's headquarters. The Kraang's plan is revealed to be mutating Earth to make it suitable for Kraang habitation, which would kill or mutate everybody else. They summon a giant rock monster from Dimension X that trumps the turtles and has to be taken out by Leatherhead via HeroicSacrifice - and it still comes back. Finally, the information Donnie retrieved from the headquarters reveals that Kirby O'Neil was just a bystander, and the Kraang's true target was April.
359** Showdown: Karai is [[spoiler:Miwa Hamato, Splinter's daughter, and she doesn't have a clue]].
360** Annihilation: Earth - [[spoiler:Shredder ''kills Splinter'' and the Earth is destroyed by the Triceratons' black home bomb. Only the Turtles, April, and Casey are alive, rescued by the Fugitoid.]]
361** Requiem: [[spoiler:Just like the above example, Super Shredder '''kills Splinter again'''. Unlike last time, however, the next episode confirms he's been KilledOffForReal and AscendedToAHigherPlaneOfExistence.]]
362** Owari: [[spoiler:Fishface, Bebop, and Rocksteady are ambiguously left for dead, Baxter Stockman is de-mutated, and the Shredder is finally killed by Leonardo.]]
363* The ''WesternAnimation/ThomasAndFriends'' episode “A Shed For Edward” ends with [[spoiler:[[IChooseToStay Edward deciding to stay with Philip at Wellsworth]], and the engines at Tidmouth Sheds wondering who will stay in his place]].
364* ''[[WesternAnimation/{{Thundercats 2011}} [=ThunderCats (2011)=]]]'':
365** "Between Brothers." [[spoiler:Cheetara and Tygra kiss, Grune is sucked into the Astral Plain, and Panthro loses ''both'' arms.]]
366** That is ''nothing'' compared to "What Lies Above Part 2.'' [[spoiler:After all the time we've grown to love Pumyra and her relationship with Lion-O, she turns out to be working for Mumm-Ra. She helps him get the Tech Stone and Avista makes a crash landing. The one good thing to come out of it is all of the [=ThunderCats=]' friends uniting to help in his fight.]]
367* ''WesternAnimation/ToadPatrol'' has two:
368** "The Castle of the Ancients" revealed that there was a way to turn toadstools back into toadlets, which, considering that it's essentially death in season 1, is a pretty big deal.
369** "The Sacrifice" pulls off a sudden plot twist that turns [[spoiler:Earth Star]] into a toadstool, which, while no longer considered practically fatal, is still serious enough to boot him off the show until the end of the season. Also, it [[WhatDoYouMeanItsForKids induced a deep fungi phobia in many children]].
370* Creator/{{Toonami}}:
371** April 1, 2012. Creator/AdultSwim was expected to, as always, show Film/{{The Room|2003}} on April Fools day. [[Creator/{{Toonami}} They did not.]]
372--> [[spoiler:'''TOM''': Oh hi, Adult Swim!]]
373** The original T.I.E., ''WesternAnimation/TheIntruder'' is particularly infamous as this, as it ended the era of the original TOM and saw him replaced by TOM 2.
374*** Its sequel, ''WesternAnimation/TheIntruderII'' managed to outdo it: not only did the Intruder come back, it took over TOM 1's body, [[spoiler:assimilated SARA and TOM 4 (albeit the latter [[KilledOffscreen offscreen]]), TOM 5 rips his arm off, and the ''Absolution'' is destroyed when TOM 5 triggers a nuclear explosion on the ship the Intruder used to lure the ship there. However, they also [[EarnYourHappyEnding earn their happy ending]] as TOM manages to back up SARA and upload her onto the new base and SARA builds him a new arm]].
375*** ''WesternAnimation/TheIntruderIII'' continues this. Good news: [[spoiler:SARA can now form a mobile avatar to help TOM.]] Bad news: [[Film/{{Tremors}} Graboid]]-like creatures roam the planet and are attacking the base, radiation storms are showing up all over the planet, and [[spoiler:the planet itself is dying]]. Part 4 reveals that [[spoiler:the new base is itself a ship, the ''Vindication'', the sand worm creatures were really trying to warn them, and as part of a deal to help get the ship off the planet, TOM and SARA take in the youngest of their species.]]
376* ''WesternAnimation/TheTransformersTheMovie'' for [[WesternAnimation/TheTransformers the original show]], which killed off a ''lot'' of characters, in particular Optimus Prime. Sure, it was [[MerchandiseDriven to sell toys]], but that's still pretty gutsy for an 80s cartoon.
377* ''WesternAnimation/TransformersAnimated'':
378** The second season finale confirmed two long-running fan theories, namely that [[spoiler:the Autobots' ship was really a dormant Omega Supreme]], and that [[spoiler:Sari is at least part robot.]]
379** Following up on this, the three part opening movie for the third season was pretty much a wham episode, not giving us much time to recover from the previous episode as it promptly addressed almost every single problem of the finale, and managed to raise even more questions. It was also significantly darker than most of the series had been so far, namely with a more in-depth look at the unethical methods of the High Command and [[spoiler:Blurr being murdered by being crushed into a cube ''onscreen''.]]
380** After this, the whole series' Wham quotient increases dramatically. The series became noticeably DarkerAndEdgier and started featuring onscreen character deaths rather than the ambiguous approach used in earlier seasons, along with some rather disturbing material (see: Wasp).
381** "Predacons Rising". "Wasp forgive Bumble-bot... [[spoiler:But Waspinator NEVER FORGIVE!]]"
382** The episode where Sari learns that [[spoiler:she has no birth certificate, social security number, or anything else to prove that she legally exists.]]
383* ''WesternAnimation/TransformersPrime'':
384** "Partners" has [[spoiler:Starscream defecting and becoming neutral]], but the true Wham Episode in the series is in "One Shall Rise - Part 1": [[spoiler:Earth was ''formed around Unicron'']].
385** "One Shall Rise - Part 3": [[spoiler:Unicron is defeated, but Optimus loses his memories of the Autobot-Decepticon war, and leaves with Megatron.]]
386** "Crossfire": [[spoiler:The Decepticon ranks are reshuffled after Airachnid kills Breakdown (whose remains are recovered by MECH), then goes rogue... [[OhCrap along with an army of Insecticons]].]]
387** "Toxicity": [[spoiler:Bulkhead is almost killed and likely permanently damaged.]] The following episode, "Hurt", has Miko finally lose her innocence after [[spoiler:killing Hardshell to save Wheeljack, who becomes alienated from the team for endangering Miko. Not only is Bulkhead stated to never be at the top of his game again, but Hardshell's death finally convinces Megatron of just how dangerous humans really are.]]
388** "Darkest Hour": [[spoiler:Optimus destroys the Omega Lock -- and any viable chance of restoring Cybertron -- in order to prevent Megatron from cyberforming Earth. However, Megatron retaliates by declaring an all out of invasion of Earth, and launching an [[AllYourBaseAreBelongToUs all out attack on the Autobase]]. In the ensuing chaos, Wheeljack is shot down by Starscream while the Autobots and humans are scattered as they evacuate the base, which is then [[TrashTheSet blown up]] by the ''Nemesis''... with [[BolivianArmyCliffhanger Optimus still in it]].]]
389** "Rebellion": [[spoiler:Optimus is revived and rebuilt into a new, far more powerful body using the last of the Forge of Solus Prime's energy, the Autobots led by newcomer Ultra Magnus destroy Darkmount, and the Autobots get a new base.]]
390** "Thirst" is probably the biggest wham episode of the third season: [[spoiler:Knock Out and Starscream's experiments with Dark and synthetic Energon turn Cylas into a vampiric Terrorcon, whose resulting rampage costs the Decepticons more than half of the Vehicons (thus Megatron punishes Knock Out by giving Shockwave all his work and Starscream another beating) and the entire Insecticon horde once Airachnid is freed by Cylas. Soundave banishes Airachnid and the Insecticons to one of Cybertron's moons, Cylas is finally killed, and Project Predacon is sped up as well. This leads to a chain of events which ultimately costs the Decepticons victory in the war by the series finale.]]
391* ''[[WesternAnimation/UltimateSpiderMan2012 Ultimate Spider-Man]]'':
392** The two part season finale. After a whole season of dancing around it, [[spoiler:ComicBook/NormanOsborn finally becomes the Green Goblin as a result of a fusion of both Spider-Man's blood and the Venom compound. At first driven crazy, he regains his sanity, and seeks to revert his son to Venom. While he fails, a ton of shakeups to the Status Quo happen. Dr. Octopus leaves his services forever, the SHIELD Helicarrier is destroyed (for now), Harry loses the Venom symbiote which Norman takes a sample of, Dr. Connors gets one of his arms crushed, Harry hears of how the Green Goblin came from Spider-man and vows revenge, Spider-Man realizes just how important having a team is, and finally, the rest of the SHIELD team moves in with Peter.]]
393** "The Sinister Six" to a lesser extent. The Sinister Six is created, testing Peter's strength as a leader. In the end, the team does manage to work together and Spidey gets some CharacterDevelopment. However, the real WHAM is that, although Spider-Man and his team bring in five of the six, [[spoiler:Curt Connors fully becomes The Lizard and runs away, leaving Peter feeling helpless after he tried to save him]].
394** In the vein of the "The Sinister Six", "Stan By Me" is another whammer in the Lizard arc. Can be summed up by a sole line by Spidey: [[spoiler:"Oh, no. The Lizard part of his brain changed it to drive out Connors? And I just helped!]] [[labelnote:*]] The Lizard was building a machine that Spidey thought that the Connors part was building in order to drive out the Lizard, so Spidey and company subdue the Lizard and use the machine on him.[[/labelnote]]
395* ''WesternAnimation/WackyRaces2017'':
396** The Season 1 finale "40 Yard Dash" starts out as an attempt at a [[ExactlyWhatItSaysOnTheTin 40 Yard Dash]], which literally has the Wacky Racers going 40 yards so as to ensure that the racers will actually finish a race for once. As usual, Dick Dastardly attempts to cheat by stealing the engine from Penelope's car... [[spoiler:and it backfires BIG TIME, setting off a chain of events that threatens to have the race delayed indefinitely (much to the chagrin of the fans), and only gets worse when an old man calls out the racers for not actually doing a lot of racing, having lengthly conversations, and relying on cheap sight gags that barely make sense. All the cars running out of gas all of a sudden is the final straw for the already aggravated fans and the track descends into an all out riot]].
397** The first (and only) two-part episode of the show, "Muttleys Are Forever". It starts off as a typical race, until [[spoiler:we learn that in Muttley’s spare time, he’s a secret agent working for the mysterious Agent Z. The rest of the episode follows Dastardly accompanying him on a mission, with the other racers relegated to background roles.]]
398* ''WesternAnimation/WanderOverYonder'' has the season two premiere, "The Greater Hater". This episode starts out like a regular episode, until [[spoiler:[[KnightOfCerebus Lord Dominator]] arrives, shifting the show from a more episodic show to a more [[StoryArc story heavy show]]]].
399* Episode 2 of ''WesternAnimation/XMen97'' opens following the previous episode's WhamShot of Magneto being named the inheritor of Professor Xavier's estate in his will and testament. Before then, Magneto spent the time actually ''saving'' humans in addition to mutants. By the end of the episode, [[spoiler:Storm has [[TakingTheBullet taken the bullet]] for Magneto, leaving her DePower[=ed=] and driving her to leave the X-Men. Magneto's sincerity in carrying on Xavier's mission for human[=/=]mutant coexistence is demonstrated, leading to Genosha officially receiving UN aid. And just before the episode ends, a second Jean Grey suddenly appears on the Xavier Mansion's doorstep, not long after the Jean Grey we had seen up to this point gave birth to Scott's son!]]
400* The season 2 finale and the season 3 premiere of ''WesternAnimation/XMenEvolution''. For the first two seasons, the show was mostly light, at least when compared to other superhero cartoons. But starting with the end of season 2, the mutants are finally exposed to the world (when before they were hiding themselves) and the show starts going into DarkerAndEdgier storylines with themes about discrimination, along with the X-Men starting to face larger threats.
401[[/folder]]

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