Line #135 Main/AmnesiaEpisode


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6	[[JustForFun/DescribeTopicHere We forget how to describe Amnesia Episode here. Where are we?]]
7
8	Amnesia is in a unique position to provide drama for any sort of serial. It's scary to think that one's memories could suddenly be taken away, it can be used to take someone out of the action for a while, or it can be PlayedForLaughs, in which case, it will play off of MistakenIdentity. This is when an entire episode or story arc's plot revolves around a character getting amnesia.
9
10	Generally goes hand in hand with EasyAmnesia and sometimes IdentityAmnesia. Not to be confused with AesopAmnesia.
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12	----
13	!!Examples:
14	[[foldercontrol]]
15
16	[[folder:Animation]]
17	* ''Animation/BoBoiBoy'': The titular hero's ability to [[LiteralSplitPersonality split himself into multiple counterparts]] comes at the risk of memory loss the longer he uses it, [[EasyAmnesia though merging back resolves this]]. In episode 5, [=BoBoiBoy=] becomes forgetful after he uses his Triple Split to help with his grandfather's cocoa deliveries. It gets worse when Adu Du kidnaps the lightning elemental, causing them to not only forget others' names, but also their own identities. This follows into episode 6, as the other two elementals call each other imposters, and [=BoBoiBoy=] Lightning is [[CriminalAmnesiac tricked by Adu Du into working with him to attack the hero's friends and family]].
18	* ''Animation/HappyHeroes'': Careful S. loses his memory after a collision with a spaceship from planet Gray in the first episode of Season 2. Big and Little M. manage to get the amnesiac Careful S. to work for them.
19	* In the ''Animation/MotuPatlu'' episode "Memory Loss", Motu loses his memory after hurting himself on the head, and the others help him to remember who he is.
20	* In ''Animation/PleasantGoatAndBigBigWolf: Joys of Seasons'' episode 95, Wolffy falls victim to [[HoistByHisOwnPetard his own trap for the goats]] and wakes up acting friendly towards his archenemies, [[IdentityAmnesia thinking he's Weslie the goat]].
21	[[/folder]]
22
23	[[folder:Anime & Manga]]
24	* In Episode 26 of ''Anime/DokiDokiPrecure''[[note]]20th of ''Anime/GlitterForceDokiDoki''[[/note]], Ira suffers amnesia, and is temporarily left in the care of Rikka.
25	* ''Manga/{{Gintama}}'' has an [[ExactlyWhatItSaysOnTheTin Amnesia arc]] dedicated to Gintoki having lost his memory after a traffic accident.
26	* The ''Manga/OnePiece'' anime has the filler arc "Ocean's Dream" (loosely based on the video game of the same name), in which a seahorse steals all the memories of the protagonists (with the exception of Nico Robin) since they joined the Straw Hat crew causing them to turn back to their original characterizations. At the end, Luffy defeats the seahorse and all returns to normal.
27	* The seventh episode of ''Literature/OkamiSan'' has Ryoko fall into a pond while rescuing a cat from a tree, and getting amnesia from a head injury, resulting in her mentally reverting to her 13 year old self.
28	* ''Anime/PokemonTheSeries'': This happens to Pikachu in the episode "A Scare to Remember" after it gets hit in the head which makes it lose its memory as a result. This even happens after another encounter with Team Rocket, which makes Ash lose Pikachu.
29	* In episode 129 of ''Anime/{{Tamagotchi}}'', Himespetchi develops amnesia after falling down some stairs. She at least remembers that she was in love with someone (that someone being Mametchi, the main character of the show), but she doesn't remember who exactly her crush was, leading her to develop a crush on Prince Tamahiko for the first half of the episode... and then Prince Tamahiko himself forgets he's in love with Princess Tamako and develops feelings for Himespetchi.
30	* A two-chapter story of ''Manga/AyakashiTriangle'' has Matsuri put under hypnosis that makes him [[IdentityAmnesia lose all his personal memories]] and believes he was always a girl, rather than [[GenderBender previously being a boy]]. This causes Matsuri to reciprocate [[JumpingTheGenderBarrier Soga's crush on him]], but Soga is so put off by Matsuri's personality change that he doesn't feel any regret as he helps break the spell.
31	* One episode of ''Manga/{{Gokujo}}'' had Aya slip on a banana peel and subsequently suffer from amnesia. In spite of the new Aya being a polite and modest NiceGirl, [[WeWantOurJerkBack her friends still try to restore the original Aya.]]
32	* An unusual case occurs in ''Anime/YuGiOh5Ds'' when Yusei first meets Leo and Luna, briefly living with the twins until his memory returns... but this is [[DubInducedPlotlineChange only in the dub]], as his memory was perfectly intact in the original version.
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35	[[folder:Audio Play]]
36	* ''Kankinkon'' includes a situation in which the viewpoint character, Touji Saijou's wife, loses all of her memories prior to meeting him. The thing is, this turns out to be an IronicHell for Touji, since his wife is completely affectionate with him now that she's forgotten how he [[FetishizedAbuser stalked her, raped her, and tricked her family into letting him marry her]] and she's only seen his better sides during this escapade. So he can't fully enjoy the loving relationship he wants with her, but he can't unlock her memories or she'll despise him again.
37	[[/folder]]
38
39	[[folder:Comic Strips]]
40	* In ''ComicStrip/{{Garfield}}'', a February 1987 arc has Garfield developing amnesia after he falls off the kitchen table. After a few jokes about him acting OutOfCharacter (refusing to eat lasagna and not caring about Pooky), he is taken to the vet's office. Jon lightly taps Garfield on the head, regaining his memory. In retaliation, Garfield hits Jon on the head hard, [[HereWeGoAgain causing Jon to lose his memory]].
41	[[/folder]]
42
43	[[folder:Fan Works]]
44	* ''[[https://www.fanfiction.net/s/9609947/1/The-Amnesia-Attack The Amnesia Attack]]'' is a fanfiction of ''WesternAnimation/ThePenguinsOfMadagascar'' in which Private has amnesia.
45	* In the ''Franchise/ScoobyDoo'' fanfic ''[[http://www.velmadinkley.com/iaf01.html In a Flash]]'', Velma gets struck by lightning and gets amnesia.
46	* In the chapter "Who am I!" of ''[[Fanfic/LivingtheDreamKickass222urmom Living The Dream]]'' Lance loses his memories after his consciences Break and Dawn destroy his memory bank. Following this Lance is renamed as [[AwesomeMcCoolname Bitch Magnet]], loses all his money, and is tricked into rubbing poison joke all over himself.
47	* In the ''Series/MorkAndMindy'' fanfiction ''Fanfic/MorkAndMemories'', [[AmusingAlien Mork]] deliberately gives himself LaserGuidedAmnesia so he will forget that he's an alien, due to the fact that he thinks Mindy will like him better as a human.
48	* In the ''WesternAnimation/{{Rugrats}}'' fanfiction ''Fanfic/TommyPicklesTheTerribleTwos'', the story arc "Tommy's Fear" has Tommy get into an accident and get amnesia.
49	* ''Fanfic/GetsWrecked'' is a oneshot based off of ''The Magic School Bus'' where the bus gets into a car crash and Ms. Frizzle suffers from temporary amnesia.
50	* The ''WebAnimation/RedVsBlue'' fanfic ''[[https://archiveofourown.org/works/11209836/chapters/25039899 we've already done that joke]]'' has Tucker inadvertently erase Grif's memories with alien technology. [[spoiler:His memory is restored when Simmons tells him his name.]]
51	* In ''Fanfic/ThisBites'', the "Ocean's Dream" filler is only alluded to in a brief scene, but Cross makes it clear as he's slamming the memory-stealing seahorse into a tree that [[PetPeeveTrope he's not fond of this scenario]].
52	-->'''Cross:''' ''([[PunctuatedPounding Timed with each slam]])'' I! HATE! AMNESIA! EPISODES! NOW! GIVE! US! BACK! OUR! MEMORIES! AND! ''SCREW OFF!''
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54
55	[[folder:Films — Animation]]
56	* In ''WesternAnimation/StevenUniverseTheMovie'', Pearl, Garnet and Amethyst get hit by a Rejuvenator that resets them to their default setting, losing all of their CharacterDevelopment from the series. The entire second act of the movie is about Steven trying to restore their memories.
57	[[/folder]]
58
59	[[folder:Literature]]
60	* ''Literature/{{Animorphs}}'': Rachel's subplot in the first Megamorphs book starts when she gets mobbed by jays as a bald eagle, crashes into a tree, and suffers a concussion. She instinctively morphs, which heals the concussion, but still leaves her with memory loss. She wanders the woods all day and night, morphing whenever she feels threatened, but not knowing how or why she can do it.
61	* The ''Literature/MagicKingdomOfLandover'' series has this as the central plot of ''The Tangle Box'', where King Ben, evil sorceress Nightshade, and dragon Strabo are all trapped in the titular box and stripped of their memories. Made awkward because Amnesia-Ben and Amnesia-Nightshade start to fall in love when they are normally very bitter enemies.
62	* In one of the ''Literature/{{Treehouse}}'' books, Andy and Terry get their memories sucked out of them, so Jill has to re-educate them.
63	[[/folder]]
64
65	[[folder:Live-Action TV]]
66	* ''Series/ThirdRockFromTheSun'': This is Harry's subplot in the episode "Proud Dick." The rest of the family doesn't even notice the change because Harry is just that stupid normally. He then discovers that the other members of his family are aliens and freaks out, not realizing that he's an alien as well.
67	* ''Series/TheAddamsFamily'' has the aptly named episode "Amnesia in the Addams Family", in which this happens to Gomez after he gets hit on the head with a club.
68	* ''Series/{{Batman\|1966}}''. In almost every episode centering on the supervillain King Tut ("The Curse of Tut"/"The Pharaoh's in a Rut", "The Spell of Tut"/"Tut's Case is Shut", "King Tut's Coup"/"Batman's Waterloo", "The Unkindest Tut of All"), the Egyptologist Professor William [=McElroy=] is hit on the head and forgets who he really is, thinking he's the historical King Tut instead. At the end of the episode he's hit on the head again and reverts to his standard personality.
69	* The ''Series/BuffyTheVampireSlayer'' episode "[[Recap/BuffyTheVampireSlayerS6E8TabulaRasa Tabula Rasa]]" features the Scoobies all getting mass amnesia as a result of a fireplace igniting a whole Willow's Lethe's bramble, accidentally enhancing a LaserGuidedAmnesia spell she crafted to help Buffy forget her time in Heaven.
70	* In the ''Series/CharliesAngels'' episode "Angel on My Mind," the villain [[CarFu hits Kris with his car]] after she sees him committing a murder. She spends the rest of the episode wandering down the beach, talking to various people and at one point beating up three muggers, while the others try to track her down.
71	* In ''Series/TheDickVanDykeShow'' episode "Who and Where Was Antonio Stradivarius?" Rob gets a concussion and ends up wandering the town. In an unusual twist, the next morning, he wakes up with no memory of the night before, but remembers who he is.
72	* ''Series/DoctorWho'': In [[Recap/DoctorWhoS29E8HumanNature "Human Nature"]]/[[Recap/DoctorWhoS29E9TheFamilyOfBlood "The Family of Blood"]], the Doctor voluntarily [[MemoryGambit gives himself amnesia]] to escape some aliens who are basically psychic bloodhounds. His companion, Martha, has to try and manage the amnesiac Doctor so he doesn't get into trouble until it is safe to put his memories back. Things get complicated when the aliens turn up anyway and the Doctor loses the {{MacGuffin}} that contains his memories.
73	* ''Series/ForeverKnight''. In "Night in Question", a head injury makes Nick forget he's a vampire. He eats regular food for a while and Natalie is [[YourMindMakesItReal hopeful of curing him permanently]], but when he goes out in the sun it still burns, so she has to tell him the truth.
74	* ''Series/FullHouse'' ends on one of these. Michelle falls off a horse and gets EasyAmnesia, so the episode revolves around trying to get her memory back.
75	* ''Series/GetSmart''. In "Where-What-How-Who Am I?", Maxwell Smart overhears the EvilPlan of some KAOS agents, but a doctor in their employ gives him amnesia pills that make him lose his memory.
76	* ''Series/GilligansIsland'':
77	** In the 1st season episode "Forget Me Not", the Skipper gets amnesia when a pole hits his head. When the Professor tries to cure him with hypnosis, he first reverts him to childhood and then makes him think it's still UsefulNotes/WorldWarII.
78	** In the 3rd season episode "The Second Ginger Grant", Mary Ann is hit on the head and loses her memory, thinking that she's actually Ginger Grant. When the Professor tries to snap her out of it with hypnosis, Gilligan ends up hypnotized into thinking he's Mary Ann. Obviously PlayedForLaughs.
79	* An episode of ''Series/HannahMontana'' had Miley's obnoxious brother Jackson get amnesia. Miley takes advantage of this in order to make Jackson more bearable, but she soon realizes that she actually liked Jackson for his doucheiness. In the end, it's revealed that Jackson faked his amnesia in order to hear Miley admit that she prefers him as a jerk. Even her own father was in on the prank.
80	* Downplayed by ''Series/TheHoganFamily''. Sandy suffers a head injury in an accident, but develops short-term memory loss instead of full-blown amnesia. [[note]] She can still remember who she, her family, and her friends are, but can't remember anything that happens after the accident for very long. [[/note]] Despite this, she still manages to complicate a job interview for David. She recovers by the end of the episode.
81	* One episode of ''Series/{{Insecurity}}'' had [=JoJo=] get hit by a car while undercover as a drug dealer's girlfriend, and her boyfriend "helpfully" filled her in on who she was, resulting in her becoming convinced she was her undercover persona.
82	* ''Series/JackOfAllTrades'': "Hamnesia" has Emilia left amnesiac after taking a blow to the head. Jack promptly convinces her that she's an uninhibited party animal.
83	* The Australian children's show ''Series/JohnsonAndFriends'' had an episode called "Diesel Who", where Diesel the monster truck accidentally collides with a wall after trying to run over [=McDuff=] the concertina. The collision is hard enough that it leaves Diesel unable to remember who he is, or who his friends are, for the rest of the episode.
84	* In the ''Series/LaverneAndShirley'' episode "Playing the Roxy", Shirley gets amnesia as the result of a StaircaseTumble and thinks she's a stripper named Roxy.
85	* In the ''Series/LazyTown'' episode "Sportacus Who?", Robbie Rotten gives Sportacus amnesia and so the kids try to help him remember.
86	* In the ''Series/LostGirl'' episode "Fae-nted Love", Bo is left amnesiac after being splashed with some magically tainted water.
87	* In an episode of ''Series/MarriedWithChildren'', Peg has an accident, as a result of [[LazyBum her poor housekeeping ethic,]] bumps her head and doesn't remember who she is. When Al comes home, he takes the opportunity to trick her into leaving and not coming back, only for Bud to tell Al that they can give her a new identity. Al then convinces an amnesiac Peg that she is the [[StayInTheKitchen perfect]] {{housewife}}, and dotes on Al 23 hours a day, and Bud for one hour, Al having convinced her that she doesn't need sleep. Seeing Peg slaving away on his whim, turns on Al so much, that he convinces her to have sex. While they are in the middle, she comes to her senses, after holding a broom, an punishes Al for what he did by forcing him to have sex again.
88	* ''Series/MiamiVice'' had a four-part story arc in which Crockett gets amnesia and thinks he's the drug dealer Burnett. Before he gets his memory back, he takes over a cartel, kills a DirtyCop and a number of drug dealers, and tries to kill Tubbs twice.
89	* The ''Series/{{Monk}}'' episode ''Mr. Monk Bumps His Head'', [[ExactlyWhatItSaysOnTheTin Monk bumps his head]] (well, is hit in the head) and forgets his identity. While his friends are trying to find him, he ends up solving another murder where he wakes up.
90	* ''Series/TheProfessionals''. In "Blackout", a German woman dressed only in bra and panties (to our heroes' appreciation) staggers into a Sunday church service and collapses. The only thing she remembers is the words "Harrowdene" and "Monday"--the place and day a deposed African head-of-state is due to arrive in the country. [=CI5=] are in a RaceAgainstTheClock to get more details from her, fearing (correctly) that an assassination is planned.
91	* ''Series/QuantumLeap'': leaping gives you gaps in your memory referred to in-show as the "Swiss cheese effect". Played straightest in the pilot episode, where Sam initially can't remember his own surname, what he does for a living, or his childhood address or phone number. In later episodes he forgets that he's a good piano player, his brother's [[spoiler: death]], and the existence of [[spoiler: his wife]]. He never does remember [[RunningGag where he learned to do a roundhouse kick]].
92	* ''Series/SesameStreet'' has an episode where Big Bird gets a condition called the "Memory Flu". It is not the slightest bit like influenza, and is basically amnesia. Maria states that it is called "Memory Flu" because "his memory flew away". After a few attempts at reminding him, he eventually gets his memory back.
93	* The ''Series/ShakeItUp'' GrandFinale "Remember Me" has Cece have a tumbling accident at a fashion show and forget her memories with Rocky in the process.
94	* ''Series/StargateSG1'' episode "Memento Mori" has team member Vala getting amnesia and lost in somewhere in America believing herself to be an ordinary human woman and disbelieving in aliens after she was kidnapped and hooked up to a MindProbe. Exactly why she defaulted to that state, being a HumanAlien, is left unexplained.
95	* ''Series/StargateAtlantis'': In "Tabula Rasa", the entire population of the city, save for Pegasus Galaxy natives Teyla and Ronon, wind up with amnesia, of the "constantly forgetting things" variety. On top of this, the episode begins InMediasRes, so it's not clear for some time what's going on.
96	* ''Series/StarskyAndHutch'': In "Partners", Hutch develops amnesia after a car accident, allowing for a ClipShow as Starsky tries to jog his memory. [[spoiler:In the end he admits he was faking it.]]
97	* ''Series/StarTrekEnterprise'':
98	** In "[[Recap/StarTrekEnterpriseS03E08Twilight Twilight]]", Archer gets amnesia from parasites in his brain and it's fixed through TimeTravel.
99	** In "[[Recap/StarTrekEnterpriseS03E14Stratagem Stratagem]]", Degra the alien scientist has his memory wiped.
100	* ''Series/StarTrekTheNextGeneration'':
101	** "[[Recap/StarTrekTheNextGenerationS5E14Conundrum Conundrum]]": The entire crew is given amnesia by an alien posing as the first officer.
102	** "[[Recap/StarTrekTheNextGenerationS7E15ThineOwnSelf Thine Own Self]]": A malfunction causes android Date to lose his memory. He happens to be on a planet of aliens who think he's an "ice man".
103	* In the ''Series/StarTrekTheOriginalSeries'' episode "[[Recap/StarTrekS3E3TheParadiseSyndrome The Paradise Syndrome]]", Kirk gets amnesia while among some pre-warp aliens.
104	* In the Season 12 ''Series/{{Supernatural}}'' episode "[[Recap/SupernaturalS12E11RegardingDean Regarding Dean]]", Dean slowly loses his memory after a witch the Winchester brothers are hunting casts a spell on him. This is {{Played for Laughs}} at first but gradually becomes more serious with the progression of the memory loss as the reality of Dean forgetting everything about his loved ones and his concept of himself sets in.
105	* ''Series/TouchedByAnAngel'': In "Seek and Ye Shall Find", Monica gets amnesia after slipping on ice and taking a nasty blow to the head.
106	* ''Series/TheTwilightZone1959''. In the very first episode, "[[Recap/TheTwilightZone1959S1E1WhereIsEverybody Where is Everybody?]]", a man finds himself walking along a road with no idea who he is. The episode shows him discovering and exploring a deserted town, trying to find out his true identity and what's going on.
107	* One episode of ''Series/UltramanMax'' was "Who Am I?", in which alien cat monsters that cause memory loss with their presence at DASH's base. This leads to some extreme hijinks as ''everyone'' at DASH (except [[RobotGirl Elly]]) is unable to remember how to even perform the simplest actions, ''including'' Ultraman Max being unable to remember how to use any of his powers.
108	* ''Series/WalkerTexasRanger'':
109	** Season 4's "Blackout", has the titular Ranger suffering this, and just before the New Year can be rung in.
110	** Season 8's "Full Recovery" has the younger brother of an employee at a genetics lab going on the run from laboratory officials after his brother was murdered after uncovering their plot to spread sarin, a deadly nerve gas, across the country.
111	[[/folder]]
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113	[[folder: Puppet Shows]]
114	* ''Series/FraggleRock'': In the episode "Boober Gorg", Boober gets amnesia when a radish explodes in his face (ItMakesSenseInContext) and is led to believe he is Junior Gorg, a different character from the show.
115	[[/folder]]
116
117	[[folder:Video Games]]
118	* After Kefka creates the World of Ruin in ''VideoGame/FinalFantasyVI'', Celes and Sabin come upon Edgar who's apparently lost his memory and now operating as the leader of a gang of thieves. Their next mission is to break into Castle Figaro which is now buried and rob the place. [[spoiler:It turns out he was faking amnesia so he could get the thieves to get him back into the castle.]]
119	* During the Dydroit belt arc of ''VideoGame/GranblueFantasy'', the Primal Beast Kikuri severs the fated connections of nearly everyone on the Dydroit Belt, including most of the crew (save for the Protagonist, Lyria, Vyrn and Rosetta), causing everyone to forget about their close friends and acquaintances. Fights begin to break out over the confusion caused by the lost memories, while the same confusion causes most of the affected crew to wander off on their own. Eventually, the missing crew members are rounded up and Kikuri is suppressed, restoring all the lost memories.
120	* ''VideoGame/KingdomHeartsChainOfMemories'' is this for the ''Franchise/KingdomHearts'' series. Sora's party arrives at Castle Oblivion, a labyrinthine castle which is stated to have power over memories. With every floor he ascends, memories of his previous adventures fade while repressed "true" memories bubble up to the surface. It is later revealed that [[spoiler:Sora's memories are actually being manipulated in a bid to control him]], and [[spoiler:the only way to restore his memories to normal would involve forgetting the events of the game altogether. So ''he does''.]]
121	** The convenience of the ending twist led some fans to believe that the game was intended to be a non-canonical side game that wouldn't be necessary to understand future games. Cue ''every subsequent entry in the series making reference to the events of this game''.
122	* ''VideoGame/MinecraftStoryMode'': Episode 4: "A Block and a Hard Place". [[spoiler: Whoever you didn't save in Episode 1, whether it be Gabriel or Petra, will return at the end of Episode 3, having a severe case of amnesia from being inside of the Witherstorm. Their appearance in Episode 4 is mostly PlayedForLaughs. When the Witherstorm is defeated, whoever had amnesia will have their memories restored.]]
123	* The first case in ''VisualNovel/PhoenixWrightAceAttorneyJusticeForAll'' has Phoenix being clobbered on the head with a fire extinguisher by the culprit of a murder case so that Phoenix can't do his job in defending his client. Phoenix spends the whole case groggily going through the trial with no memory to who he is or what his profession is, which has his client trying her best in helping him remember. This is done as an excuse to give the player a tutorial to the game's mechanics since Phoenix is already an established lawyer and technically wouldn't need a refresher on the basics.
124	[[/folder]]
125
126	[[folder:Western Animation]]
127	* An episode of ''WesternAnimation/AmericanDad'' had Stan get amnesia and Francine uses the opportunity to make Stan into her version of 'the perfect husband' as she saw Stan's old personality has insufferable (which to be fair, he really was).
128	* In the ''WesternAnimation/BackAtTheBarnyard'' episode "A Tale of Two Snottys", Eugene, aka Snotty Boy, gets knocked unconscious so they dress Pig up as Snotty Boy. When Snotty Boy awakens, he has amnesia.
129	* ''WesternAnimation/BatmanTheAnimatedSeries'': In "The Forgotten", Bruce Wayne suffers amnesia while undercover investigating a series of disappearances. As soon as he remembers who he is, he immediately breaks out of the box where the villain of the week was keeping him and takes down the slavery ring.
130	* ''WesternAnimation/TheBrothersFlub'' has the episode "Thanks for the Memories", where Fraz loses his memory by exposing himself to a strange gas, forcing Guapo to get out a photo album and show Fraz the pictures in it to revive his memory.
131	* ''WesternAnimation/CodeLyoko'' had an episode involving one of the main characters getting amnesia, which eventually spreads to the rest of the school. The amnesia is the result of nanomachines being taken over by [[BigBad XANA]]. The episode is aptly named "Amnesia".
132	* ''WesternAnimation/CourageTheCowardlyDog'' had "[[Recap/CourageTheCowardlyDogS1E2 Dr. LeQuack, Amnesia Specialist]]". Muriel develops amnesia after being bonked on the head by a plank Eustace was nailing and Courage tries to seek help from someone who can cure her. The titular villain [[FeatheredFiend LeQuack]], who turned out to be a wanted ConArtist the authorities were looking for, is called in for the job, and needless to say, Courage realizes [[MyGodWhatHaveIDone what a terrible mistake he made hiring him]] when he sees him bonk Eustace in the head and lock him in the closet. After [=LeQuack=] is arrested after unwittingly giving Muriel her memory back, [[HereWeGoAgain Eustace begins to develop amnesia himself after LeQuack bonked him earlier]].
133	* ''WesternAnimation/DangerMouse'': "Public Enemy No. 1" has our hero with amnesia after a bump to the head while tracking down Baron Greenback. The Baron convinces DM that he's a daring Robin Hood-type outlaw called the White Shadow. Penfold is assigned the task of bringing DM to justice (which, naturally fails, leading Penfold to try to rouse DM back to normal).
134	* ''WesternAnimation/DastardlyAndMuttleyInTheirFlyingMachines'' had an episode in which Dick Dastardly loses his memory after falling out of his plane and landing on his head. Klunk takes command of the Vulture Squadron as he and Zilly try to restore Dastardly's memory.
135	* ''WesternAnimation/DuckTales1987'': In "Blue Collar Scrooge", Scrooge loses his memories and wakes up in the streets without any money. He ends up working in one of his own firms, falling in love with the mother of his assistant Fenton and starting a rebellion against his boss (himself) before getting his memories back an learning AnAesop about treating his employees better.
136	* ''WesternAnimation/DuckTales2017'': "The Ballad of Duke Baloney" is about Flintheart Glomgold losing his memories after an accident, and starting a new life as a humble fisherman named Duke Baloney. He's actually [[BeingEvilSucks a lot happier without his grudge against Scrooge]], but by the end of the episode [[StatusQuoIsGod his memories get restored]].
137	* ''WesternAnimation/FamilyGuy'' does this in the episode "Big Man on Hippocampus" where Peter gets amnesia and reverts back to living his bachelor lifestyle. Lois spends the episode trying to jog his memory but it seems she fails and Quagmire starts hitting on her. And that is when Peter reveals he got his memory back not long after losing it and was just faking most of it because he enjoyed the opportunity to relive his single days.
138	* ''WesternAnimation/GarfieldAndFriends'': "Forget Me Not" is a rough adaptation of the amnesia arc from the comics. In this version, the vet scenes are AdaptedOut, Garfield tries to steal a pie from a windowsill, and loses his memory from getting hit by the pie tin. At the end, he regains his memory after being hit by a pan of lasagna.
139	* ''WesternAnimation/{{Gasp}}'': In "Amnesia", the pets must teach Gasp how to be himself again when a bump on the head gives him a case of amnesia.
140	* ''WesternAnimation/InsideJob2021'': In "The Brettfast Club", Magic Myc gets amnesia after falling out of a plane. He immediately starts mooching off [[NoGoodDeedGoesUnpunished some kids who take him in]]; he eventually gets his memories back when they get fed up with his dickishness and chuck him off a cliff, where he lands headfirst onto the gang's car.
141	* In the ''WesternAnimation/JaneAndTheDragon'' episode "Dragonphobia", Jane eats poisonous (to humans) berries and falls unconscious. She wakes up with amnesia from either the fall or the poisoning ([[AmbiguousSituation it's never revealed]]) and thinks she's afraid of dragons.
142	* ''WesternAnimation/LesSisters'': In "Amnesique et Perils", Marine seemingly gets amnesia and Wendy has to work to restore her memories by performing activities she likes. Marine is actually faking it; she accidentally broke Wendy's phone and has to pretend she doesn't know what happened to it.
143	* ''WesternAnimation/LiloAndStitchTheSeries''; the titular experiment from "Amnesio" can wipe the minds of those that look into his eyes. He does this to Lilo, Stitch, and Gantu when they try to catch him, leading Stitch to revert to his old ways and start terrorizing the island while Lilo guesses Gantu's a [[SpacePolice space cop]] trying to apprehend him.
144	* In ''Merry Franchise/{{Madagascar}}'', SantaClaus gets amnesia and so [[SavingChristmas the protagonists have to help him get his memory back]].
145	* ''WesternAnimation/MiraculousLadybug'': In "Oblivio", Ladybug and Cat Noir wake up in an elevator, unable to recall who they are or how they got there. They end up detransforming in front of each other, but it doesn't matter since they don't know who they are anyhow. They end up using contextual clues to deduce that they are superheroes who had their memories wiped by a supervillain, and incorrectly conclude that they are also a couple, while in reality it is more of a {{UST}} situation. Throughout the episode, they bond and end up falling back in love. After managing to defeat the supervillain, they kiss, but immediately forget about it after Ladybug uses her power to revert everything back to normal. But not before Alya managed to take a picture and post it on the internet.
146	* ''WesternAnimation/TheOwlHouse'' episode "Understanding Willow" has Amity accidentally burn a bunch of photos connected to Willow's memories, [[JourneyToTheCenterOfTheMind necessitating her and Luz to have to travel into Willow's mind to fix the damage]].
147	* The ''WesternAnimation/PetAlien'' episode "They Took Tommy's Brain" has Tommy getting amnesia after Gumpers kicks him in the head with a soccer ball and being unable to remember any of the aliens. Dinko tries to jog Tommy's memory, Gumpers takes the opportunity to screw with Tommy, and Swanky steals Tommy's bed for himself.
148	* The ''WesternAnimation/{{Popeye}}'' cartoon "I Yam Wot I Yamnesia" takes this to ludicrous extremes. When Popeye and Swee' Pea bump heads with each other, they don't lose their memories. They exchange personalities and voices, which Wimpy diagnoses as amnesia. In attempting to cure them with another whack to the head, Wimpy accidentally konks Olive and then himself, causing those two to exchange personalities and voices.
149	* ''WesternAnimation/APupNamedScoobyDoo'' had this happen to Shaggy in "The Return of Commander Cool," when he's cosplaying as his favorite superhero, the titular Commander Cool, but after getting into a roller-rocket-ski accident Shaggy comes down with amnesia, sees his reflection in the mirror and thinks he really ''is'' Commander Cool for the majority of the episode.
150	* The ''WesternAnimation/{{Rugrats}}'' episode "Regarding Stuie" has Stu mentally regressed to infanthood after hitting his head in a fall.
151	* Marge Simpson gets amnesia in ''WesternAnimation/TheSimpsons'' episode "Regarding Margie".
152	* ''WesternAnimation/SittingDucks'' averts the trope in "Born to be Wild" when Waddle gains the mind of a primal duck after crashing someone’s scooter, which wears off when he flies onto a billboard.
153	* ''WesternAnimation/SpongeBobSquarePants''
154	** Providing the page image is the episode [[Recap/SpongeBobSquarePantsS5E18WhatEverHappenedToSpongeBob "What Ever Happened to SpongeBob?", also known as "WhoBob WhatPants"]]. It involved [=SpongeBob=] leaving Bikini Bottom after [[WhatTheHellHero unintentionally making his friends mad and calling him "Idiot Boy"]][[note]]they (minus [[JerkWithAHeartOfJerk Squidward]]) eventually [[MyGodWhatHaveIDone regret it]] [[PartingWordsRegret days later]][[/note]], only to hit his head on some rocks, causing him to develop amnesia and forget that his hometown is Bikini Bottom. [=SpongeBob=] then ends up in another town because of this, where he becomes its mayor after driving a gang known as the Bubble Poppin' Boys out of town.
155	** "[[Recap/SpongeBobSquarePantsS9E3LicensetoMilkshakeSquidBaby Squid Baby]]" had Squidward [[ExactlyWhatItSaysOnTheTin thinking he is a baby]] after being bumped on the head. [[NotUsingTheZWord It is a condition known as "Head-Go-Boom-Boom-Itis"]].
156	* In ''WesternAnimation/StarVsTheForcesOfEvil'', people who enter the Realm of Magic quickly start to lose their memories. This comes up three times ("Deep Dive" and the two-part season finale "Divide"/"Conquer" in season 3, and "Mama Star" in season 4), with each time requiring outside intervention to get the characters out of the realm and into Mewni where their memories can return. [[spoiler:The GrandFinale "Cleaved" requires them to go back yet again, with [[ImprobableAntidote a much weirder way of escaping the amnesia]].]]
157	* ''WesternAnimation/{{Underdog}}'' had Simon Bar Sinister's titular amnesia-inducing net known as "The Forget-Me-Net", wherein the victim feels its effects when it is dropped on them. However, the victim's memory returns once they hear their name. After using it to get Underdog and Sweet Polly out of his way, at which point the former was [[WholesomeCrossdresser dressed up like a woman so nobody could recognize him]], Simon later planned to drop a ''huge'' Forget-Me-Net on UsefulNotes/WashingtonDC, but Underdog and Polly regained their memories in time, to which the plan was foiled, [[HoistByHisOwnPetard to which Simon and Cad fell victim to the net themselves]].
158	* The ''WesternAnimation/VampirinaBallerina'' episode "Memor-eek" is about Gregoria using a memory spell so Edgar will temporarily forget about monsters while she gets some alone time, but it backfires, and both Edgar and Poppy forget meeting Vee.
159	* Wubbzy gets a similar vain to [=SpongeBob=] in the ''WesternAnimation/WowWowWubbzy'' MadeForTVMovie "Wubbzy's Big Movie," where he also hits his head on a rock and gets "knockity-noggin" (what the show refers to as amnesia).
160	* In the ''WesternAnimation/MiaAndMe'' episode "The Cave of Truth", Mia hits her head on a tree branch and gets amnesia.
161	* In the ''WesternAnimation/YoungJustice2010'' episode "Bereft," a psychic named Psimon erases the memories of the Team to keep them from discovering his experiments. For most of the team this is downplayed since they only lost six months of memories, meaning they forgot they were a team and even each other. For Superboy, who is is a clone created within that time frame, he is left as a feral animal attacking out in confusion. Thankfully the team had fragments of their old memories within them, which Miss Martain used to help them remember their current mission.
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Context Main / AmnesiaEpisode