History Main / BabyMorphEpisode

* In the ''WesternAnimation/MiniBeatPowerRockers'' episode "Baby Dolores". Dolores accidently makes a wish via a new phone app which transforms her into a baby. She at first hates it but grows to love it causing mayhem in the daycare while the babies try to clean up her mess and turn her back before their parents come to pick them up.

* The ''Animation/{{Lamput}}'' episode "Memory Loss" is a mental variation. An accidental injury causes Fat Doc to think he's a baby, so Slim Doc and Lamput take it upon themselves to be his caretakers.

* ''WebVideo/{{Oxventure}}: The episode "Watch Out!" has Prudence magically transformed into a baby about halfway through by a magic watch.

* ''Fanfic/KedaborysMuppetMedia'': In [[Fanfic/SkylandersReturnToTheRuins Crestfeather]]'s episode, Bunsen's time machine mistakenly turns Beaker into a baby. Bunsen is tasked with watching him until the time machine recharges.

* ''Manga/The100GirlfriendsWhoReallyReallyReallyReallyReallyLoveYou'': Chapter 28 features the girls (except Hakari) turned into babies thanks to one of Kusuri's drugs (again). Chapter 84 does it again, with Hakari herself and the girlfriends who had been introduced since as the victims instead, and plenty of LampshadeHanging from the others.

* ''Series/StarTrekTheNextGeneration'': episode "Rascals" has a transporter accident turning Captain Picard, Guinam, Keiko O'Brien and Ensign Ro turn into prepubescent kids.

** The [[Creator/ShinEiAnimation third season]] episode "Toddler-fier" has Hämsterviel modifying 151 to turn people into toddlers instead, rechristening the experiment as "Toddler-fier", and the experiment transforms Yuna, Hiroman, Dolores, Jessica, Toriko, and Makiko into toddlers, causing much trouble for Stitch and Yuna's older cousin Tigerlily, the latter who had a date with a man in the episode.

** The [[Creator/ShinEiAnimation third season]] episode "Toddler-fier" has Hämsterviel modifying 151 to turn people into toddlers instead, rechristening the experiment as "Toddler-fier", and it transforms Yuna, Hiroman, Dolores, Jessica, Toriko, and Makiko into toddlers, causing much trouble for Stitch and Yuna's older cousin Tigerlily, the latter who had a date with a man in the episode.

* The ''Anime/PrettyCure'' franchise has multiple examples of this trope, most notably in All-Star Memories, the fifteenth-anniversary movie.

* In a chapter of the Japan-only ''Franchise/{{Neptunia}}'' manga ''Megami Tsuushin'', Neptune has to watch over Nepgear, Uni, Rom and Ram after they were accidentally turned into babies.

* ''WesternAnimation/LiloAndStitchTheSeries'' had the episode "Babyfier" featuring the titular Experiment 151 which can do this, transforming all of Lilo's family and Gantu into babies. Once that was reversed, she sent the experiment to the animal shelter where she first adopted Stitch so it could make older dogs young again and more likely to be adopted.

* The ''WebAnimation/MyLittlePonyTellYourTale'' episode "Making a Foal of Me" revolves around Sunny, Izzy and Hitch being transformed into foals, with the pegasus sisters Pipp and Zipp having to look after them.

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[[folder:Anime and Manga]]

* In issue #52 of the Animaniacs comic, Pinky and the Brain turn into young children after the former accidentally spills the latter's new age-reversal potion all over them.
* Batman is turned into a baby in one issue of the Batman comic, entitled "Batman Becomes Bat-Baby!" Though he still kept his adult strength, agility and intelligence. So really all the villains did was [[EpicFail make him a harder target]].

* In the ''WesternAnimation/SpongeBobSquarePants'' comic "Spongebob Babysitterpants", Spongebob accidentally turns Mermaid Man into a baby when he plugs in one of Man Ray's old machines. At the end of the story, Barnacle Boy, the Swashbuckling Sidekicks and Man Ray are ''also'' turned into babies.

* ''WebVideo/UltraFastPony'': In the episode "Makin' Babies", Twilight teaches Sweetie Belle where babies come from ([[UterineReplicator magic, of course]]). Sweetie Belle tries to cast the spell herself, and instead turns the main adult cast into babies.

* In the Series/AgentsOfShield fanfic [[https://www.fanfiction.net/s/13446540/1/The-Little-Guy The Little Guy,]] Leo Fitz is inexplicably turned into a baby and Coulson’s team has to take care of him while Jemma figures out a cure.
* In ''[[https://www.fanfiction.net/s/5768761/1/The-Decepticons-Revenge The Decepticons Revenge]]'', [[Franchise/{{Transformers}} the Decepticons]] use a special gun to turn Elita One, Chromia, Ironhide, Ratchet and Skyfire into sparklings. Starscream later uses the gun on himself.
* In ''[[https://archiveofourown.org/works/31758913/chapters/78612871 Accidental War Criminal Acquisition]]'', malfunctioning machinery reverts [[WesternAnimation/TheTransformers Starscream's]] frame into a sparkling's.

* In the ''WesternAnimation/InvaderZim'' fic ''[[https://www.fanfiction.net/s/4403803/6/Baby-Gazzee Baby Gazzee]]'', Dib discovers a spell that causes [[EmotionalMaturityIsPhysicalMaturity people's physical age to match their emotional age]]. When it's accidentally cast on Gaz (who often resorts to violence and tantrums when she doesn't get her way), she's turned into a baby; while her mind is intact, everyone else's memories are altered to believe she's always been one and treat her as such. This lasts most of a week until Dib finds Gaz's unaltered birth certificate, which restores his memories enough for him to undo the spell.

[[folder:Films — Live-Action]]

* In ''VideoGame/GranblueFantasy'', Anne's second Fate Episode has her accidentally transformed into a toddler when she tries to protect Grea from some unknown magic mist. Owen, Grea, and the Captain then have to figure out how to restore her while taking care of the now young Anne.

* In ''VideoGame/DragaliaLost'''s Elementary Escapades event, Ranzal and Louise become schoolchildren thanks to a controlled failure of one of Sinoa's experiments. Alongside the Waterwyrm Mercury, who has taken a humanoid form, they are tasked with investigating a school Emile has set up in the Dyrenell Empire. However, they must do so before the effect of the experiment wears off. Shenanigans ensue.

* An unusual villain's example in ''WesternAnimation/AdventuresOfTheGummiBears'' has the Ogres de-aging due to a freaky kitchen accident when Gummiberry juice get mixed with baby formula. Grammi finds one of the Ogres and tries to RaiseHimRightThisTime but the effect is only temporary as contact with water breaks the spell. She succeeded to some degree as [[spoiler:the Ogre remembers her care and defends her when Igthorn threatens to hit her.]]

* ''WesternAnimation/DextersLaboratory''. The episode "Don't Be a Baby" had Dexter accidentally turn his parents into babies after creating a machine that was supposed to age up Dexter and Dee Dee so they could go see a movie.

* The ''WesternAnimation/{{Futurama}}'' episode "Teenage Mutant Leela's Hurdles" features the Planet Express crew growing younger after falling into a pit of "rejuvenating" tar. The Professor tries to fix this problem but ends up getting worse, making them rapidly de-age. The Professor and Leela (who refused the treatment) are only ones not to de-age all the way down to a baby. Though Zoidberg actually goes through different evolutionary stages, ending with him turned into sentient coral with siblings ready to Bud from him.

* In the ''[[WesternAnimation/JusticeLeague Justice League Unlimited]]'' episode "Kid Stuff", Morgaine le Fey transforms Superman, Batman, Wonder Woman, and Green Lantern into 8-year-olds after Mordred uses his magic to remove all adults from Earth and keep children on the Earth.

* One episode of ''WesternAnimation/MenInBlack'' has Jay and Kay escorting a girl from a race that ages rapidly in Earth's atmosphere, thus requiring her to use a device to rejuvenate herself. When the girl is kidnapped, the rejuvenating device is broken, causing its liquid components to splash all over Kay, who grows progressively younger as a result.

* The ''WesternAnimation/PhineasAndFerb'' episode "Agent Doof" has Phineas and Ferb accidentally getting turned into babies by Doof's inator. However, they're still as inventive as ever, at one point dismantling a motorcycle.

* "Gargamel's Second Childhood", an episode of ''WesternAnimation/TheSmurfs1981'' has the eponymous wizard de-aged to a child and his apprentice Scruples turned into an adult due to a spell gone wrong. This, nevertheless, is used by Gargamel on his advantage to win the trust of the Smurfling who does not recognize him. Of course, as FailureIsTheOnlyOption for him, at the end of the episode, a further miscalculation turns him into an elderly man and Scruples into an infant.
** Another episode took from the comics, having Gargamel turn himself into a Baby Smurfling to infiltrate the Smurf Village.

* ''WesternAnimation/StevenUniverse'': In "Steven's Birthday", Steven tries to fake a growth-spurt on his fourteenth birthday after realizing [[NotGrowingUpSucks he hasn't physically aged since he was around eight years old]]. Unfortunately, the strain of making himself taller with his Gem shape-shifting abilities causes him to temporarily revert to infancy. Connie comforts Steven by assuring him she'll be his friend no matter how long it takes to get him back to normal, and by the next day Steven is back to his old self. And as a bonus, he's grown his first facial hair!

** ''WesternAnimation/TheAdventuresOfSuperMarioBros3:'' In "Toddler Terrors of Time Travel", Kooky Von Koopa's Time Travel Tube turns him, King Koopa, Mario, Luigi, and Toad into babies.

* The ''[[WesternAnimation/UltimateSpiderMan2012 Ultimate Spider-Man]]'' episode "Itsy Bitsy Spider" has Loki utilize his Norn Stones to turn Spidey, his team, and Thor all into little kids (Represented in the series' chibi art style), all so he could claim himself the elder brother. The example is twisted a bit, as the characters all act and think the exact same, just a lot smaller.