[[quoteright:324:[[Disney/{{Pinocchio}} http://static.tvtropes.org/pmwiki/pub/images/lampybitbybit_3226.png]]]]
[[caption-width-right:324:[[WesternAnimation/TheSimpsons It begins...]]]]

A type of transformation in which, most likely due to a curse, spell or potion, portions of your body start to turn into that of a creature until the whole body changed. The order can very depending on what animal or on the work. Often happens to a BalefulPolymorph.

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!!Examples:

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[[folder: Animated Films ]]

* The picture image comes from ''Disney/{{Pinocchio}}'', in which bad boys turn into donkeys in this manner. The ears change first, followed by the tail sprouting from the back. This is followed by the head, arms and legs changing before the final stage of losing their ability to speak.
* ''PinocchioAndTheEmperorOfTheNight'' has the [[NightmareFuel infamous]] scene where Pinocchio is turned back into a puppet with different parts of his body become lifeless wood. Unsurprisingly, this scene is usually trimmed or cut from TV airings.
* Possibly a ShoutOut to the above, Kuzco's transformation into a llama in ''Disney/TheEmperorsNewGroove''. The ears change first, then his neck changes, followed by his right hand, face and left hand. We don't see anything below the waist however.
** It carried on into ''TheEmperorsNewSchool'', where this would usually happen to anyone who sampled Ysma's potions.
* ''Disney/BeautyAndTheBeast'': Happens at the end when the Beast returns to his human form. ''The Enchanted Christmas'' shows a flashback showing the prince's transformation into a beast.
* In ''WesternAnimation/TheCurseOfTheWereRabbit'', this happens to [[spoiler:Wallace]].
* In ''BartokTheMagnificent'', Ludmilla drinks a potion that amplifies your inner self ten times and [[spoiler:slowly transforms into a dragon.]]

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[[folder: Fan Fiction ]]

* Happens a lot in FanArt with characters both original and existing.

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[[folder: Film (Live-Action) ]]

* Happens to [[spoiler:Scrappy when changing into giant form]] in the first live action ''Scooby Doo'' movie. One of the few to deal with ill proportioned transformations.
* This happens to [[spoiler:Sex Machine]] in ''Film/FromDuskTillDawn'' after he's [[ZombieInfectee bit by a vampire]]. First his teeth start changing, then his hands...

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[[folder: Literature ]]

* ''Literature/TheAdventuresOfPinocchio'' and most film/TV adaptations have this where Pinocchio and the other boys turn into donkeys, usually with the ears first.
* Although using a shorter time frame than most examples, shapeshifting in {{Animorphs}} works this way. For added [[SarcasmMode fun]], the process is randomized every time.

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[[folder: Live Action TV ]]

* Godai initially transforms into Kuuga this way, until he figures out his henshin pose, in ''Series/KamenRiderKuuga''.

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[[folder: Web Original ]]

* In ''WebVideo/TheCartoonMan'', Roy transforms into a humanoid cartoon character bit by bit, beginning with his gloves, then his hair, and finally his eyes.

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[[folder: Western Animation ]]

* ''AmericanDragonJakeLong'': In a variation of this trope, Jake and Hayley can willingly change certain body parts into that of a dragon's for whatever situation.
* ''TheLifeAndTimesOfJuniperLee'': In "Oh Brother, What Art Thou", Ray-Ray becomes a dragon this way. First, his hands and feet enlarge, followed by a tail growing. We don't see anymore after that and he's a full dragon the next time we see him.
* Happens in ''WesternAnimation/TurboTeen'' whenever Brett turns into a car and back.
* ''TheGrimAdventuresOfBillyAndMandy'' episode "Sickly Sweet" has Grim put a spell on Mandy that would cause her to gradually turn into a donkey/dragon hybrid when she acted mean.
** "Grim for a Day" has Grim and Billy turn into each other this way.
* In the ''WesternAnimation/LooneyTunes'' short ''WesternAnimation/YankeeDoodIt'', whenever the Shoemaker says the word "Jehoshaphat", the elf gradually transforms into a mouse (which can be undone by saying the word "Rumpelstiltskin"). First he gains a mouse's tail, then mouse ears, and finally into a full mouse. At the end of the cartoon, when the elf king visits the Shoemaker to check on his business, the shoemaker decares his next line of shoes to be named "the Jehoshaphat Boots", and the King goes straight into the complete mouse form.
* In a first season episode of ''WesternAnimation/JackieChanAdventures'', Jackie suffers bit-by-bit petrification over the course of the episode.