Creator/{{Disney}} animated short released in 1952. It is narrated by Sterling Holloway.

Lambert, a lion cub, is mistakenly delivered in a flock of sheep by a stork. He is taken in by a ewe after none of the delivered lambs choose her to be their mother. Lambert lives his life thinking he is a sheep until he is forced to unlock his true nature to defend the flock from an attack by a hungry wolf.

On a trivia note, the original print of the film was given as a gift to Emperor Hirohito of Japan because it was reportedly his [[GermansLoveDavidHasselhoff favorite Disney cartoon]].
!! This short provides examples of:

* AdultFear: Quite a bit in one short:
** Having your child taken away from you.
** Having your child bullied due to being adopted.
** Being viciously attacked in front of your child.
* BadassUnintentional: Lambert is unaware that he's a lion until the wolf forces him to unleash his inner lion.
* BewareTheNiceOnes: Lambert is very gentle and "sheep"-ish, but when he needs to defend his flock, he'd unleash his inner lion.
* ButtMonkey: Lambert, initially. He is repeatedly mocked and humiliated by the sheep of the flock, even as an adult.
* CowardlyLion: Lambert is a scaredy cat and runs away at the first sign of danger. Until he realized that he's a lion, that is.
* DeliveryStork: A mistake in the delivery sent Lambert the Lion into a sheep flock alongside other baby lambs. [[note]]Doubles as a cameo. This is the same stork that delivered {{Dumbo}}.[[/note]]
* DisneyVillainDeath:Subverted, suprisingly enough. Lambert apparently scares the wolf off a cliff and to his doom. The narrator reveals at the end the Wolf's alive, stuck on a branch with berries for food. However...
* FateWorseThanDeath: The Wolf is a vicious predator now trapped with a tiny bit of fruit unable to move lest he die.
* TheFourthWallWillNotProtectYou: The first-person perspective shots of the wolf coming to attack the sheep, which is StockFootage from Disney's version of ''Music/PeterAndTheWolf.''
* GentleGiant: Despite being a gigantic lion, Lambert is one of the sweetest creatures around.
-->'''Narrator''': "Isn't he HUGE?!"
* InterspeciesAdoption: Lambert is a lion who was raised by a sheep.
* KidsAreCruel: The other lambs are not at all kind to Lambert once they find out he cannot baa.
* LetsGetDangerous: Lambert is cowardly and sheepish, but once his mother is in danger he realizes what it means to be a lion and fights the wolf.
* MightyRoar: Lambert lets one out once he realizes he's a Lion.
* MamaBear: When The Stork tries to take Lambert back, his mother attacks the stork, causing him to back down and allow her to raise the lion as her own.
* MommasBoy: Lambert is very protective of his mother, and becomes the King of Beasts he is when he realizes that his mother is in danger.
* NurtureOverNature: There is absolutely nothing predatory about Lambert, because he was raised as a sheep.
* ObliviousAdoption: Lambert doesn't realize that he's not a sheep. Everyone else, however, does.
* OffscreenInertia: The wolf is stuck on a branch on the cliff at the end. {{Lampshaded}} by the narrator.
* OhCrap: The Wolf once he realizes he's just ticked off a very angry MommasBoy.
* OnceUponATime
* ParentsInDistress: It's his adoptive mother being in danger that unlocks Lambert's true nature.
* RaisedByWolves: Or rather, sheep.
* RhymesOnADime: The narration and dialogue rhyme most of the time.
* SavageWolves: The villain is a wolf trying to eat all the sheep.
* StockScream: The Goofy Holler.
* TookALevelInBadass: Lambert spends most of his time as a meek and harmless lion. During the climax, he unleashes his inner beast and fights off the Wolf.
* UseYourHead: Lambert headbutts the wolf into a cliff in the film's climax.