History Main / AdaptationInducedPlotHole

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* In the AvatarTheLastAirbender, The Fire Nation keeps Earthbenders it captures on a metal platform at sea, far away from the rock and ground they could use to help escape. In the movie adaption, they are kept on land, yet do no earthbending at all for some reason.
** It takes a lot of unecessary movement and 7 different people to move a pebble in the movie. [[FridgeBrilliance Of course the Firebenders aren't worried about Earthbending from the people in the concentration camp; they're nowhere near as competent as in the cartoon!]]

* The first time Naruto meets Jiraiya, Naruto uses the Sexy Jutsu to convince Jiraiya to train him, noting to himself that "[[AllMenArePerverts This jutsu seems to work on all men]]". One of the more recent episodes, which aired ''years'' after the episode with the previous scene, had a scene that took place before Naruto met Jiraiya, where Naruto used the Sexy Jutsu on [[TheUnfunny Sasuke]], with no effect.

* The first time Naruto meets Jiraiya, Naruto uses the Sexy Jutsu to convince Jiraiya to train him, noting to himself that "[[AllMenArePerverts This jutsu seems to work on all men]]". One of the more recent episodes, which aired ''years'' after the episode with the previous scene, had a scene tah took place before Naruto met Jiraiya, where Naruto used the Sexy Jutsu on [[TheUnfunny Sasuke]], with no effect.

* ''{{Naruto}}'' claims to have only read 10 pages of Jiraiya's latest novel, Make Out Tactics, in the anime as an extra joke that he was lying when he distracted Kakashi by pretending to spoil the ending. However, later on [[spoiler:when he's trying to decode a message Jiraiya left behind while dying]], it's revealed that he proofread Jiraiya's books, which would require reading the whole thing, and [[spoiler:knows Jiraiya's handwriting well enough to notice that he disguised a "ta" katakana as a 9]].

* TheWarriors video game, in lieu of changing the story of the film, opted to make most of the game a prequel depicting the Warrior's rise before the events of the main story. For the most part, it works. However, there is one scene where Masai demands to know who The Warriors are and none of the other Riffs can answer him. In the film this makes sense, since we have no reason to believe the Warriors ever did anything to stand out. In the game however, the missions involve fighting their way through several gangs (trashing dozens of members with only four, at most, of their own), beating up or killing several other gang leaders and overthrowing the rival gang of Coney Island who they split from. While the Riffs ARE the biggest gang in the city, and presumably don't follow everything that happens with the small-time gangs, it is strange to think that none of them would've hear about the Warriors given all the havoc they cause.

* In the ''[=~Ranma ½~=]'' manga, [[GenderBender Ranma (as a girl)]] competes with [[WholesomeCrossdresser Tsubasa]] (who's disguise had yet to be revealed) in who can sell more food to the boys at school, but since all of them knew that Ranma wasn't a real girl they didn't buy any from her until she started wearing a disguise. However, in the anime Ranma's curse wasn't revealed by this point, so the boys bought nothing from her and started buying when she wore a disguise for no apparent reason.

* In ''InfernalAffairs'', only Superintendent Wong knows the identity of the police's mole. When [[spoiler:he's murdered, the mole has no one in the police department to turn to]]. In ''TheDeparted'', both Captain Queenan and his assistant Sergeant Dignam know who the mole is. When [[spoiler:Queenan is murdered, the mole acts like he has no one to turn to, but Dignam is simply away on suspension. Why no one bothers to look him up is never explained. Dignam's sudden reappearance at the end is treated as a surprise, but fans of the original would be waiting that dangling thread to resolve for half the
film]].

** One {{Filler}} episode had Hinata learn a unique, powerful technique featuring a myriad pinpoint-precision chakra laser beams. Later in the manga, a major villain is able to [[CurbStompBattle curb stomp]] her specifically because he has a powerful distance attack and she doesn't.

* In ''InfernalAffairs'', only Superintendent Wong knows the identity of the police's mole. When [[spoiler:he's murdered, the mole has no one in the police department to turn to]]. In ''TheDeparted'', both Captain Queenan and his assistant Sergeant Dignam know who the mole is. When [[spoiler:Queenan is murdered, the mole acts like he has no one to turn to, but Dignam is simply away on suspension. Why no one bothers to look him up is never explained. Dignam's sudden reappearance at the end is treated as a surprise, but fans of the original would be waiting that dangling thread to resolve for half the film]].

** Still many are left - with most of Barty Crouch Jr.'s ExpositionDump cut out of the 4th movie, no explanation is given as to how he escaped from Askaban and how no one noticed he was missing in a ''whole'' year.
* There are so many in the film adaptation of ''{{Eragon}}'' that [[StillbornFranchise continuing the movie franchise would almost be impossible]].
** Same goes for the first adaptation of the {{Percy Jackson And The Olympians}} books.
* The reason why Anton Gorodetski doesn't have his powers of premonition in ''Day Watch'': he didn't have them in the original cut of ''NightWatch'', but the adapted version that was distributed worldwide had his visions edited in.
* How is it that Sophie can save Calcifer in ''HowlsMovingCastle''? DianaWynneJones explains; it's in fact part of an important plot point. {{Film/HowlsMovingCastle}} does not.

[[AC:VideoGames]]
* The fact that in Europe, a censored version of ''NoMoreHeroes'' and an uncensored version of ''NoMoreHeroes2'' were released creates some of these plot-holes: Destroyman and Letz Shake were supposed to have been completely reduced to ash, yet they return, and Shinobu has a robotic limb for no apparent reason.

*** As with Dobby, the filmmakers were going to cut [[spoiler: Kreacher]] altogether, but Rowling insisted on his presence due to his role in future books.

[[AC:{{TableTopGames}}]]
* More of an edition change induced plothole, but in the ''DungeonsAndDragons'' 3.5 player's handbook, a priest of Pelor, the quintessentially good deity of Greyhawk, is seen using a Symbol of Pain spell, which good aligned gods cannot grant. What happened was that they reused some artwork from the 3.0 PHB of the priest using the pain aspect of the Symbol spell, which was originally an unaligned spell.
** This, along with other artwork of said cleric being a dick to his party, resulted in the creation of [[EpilepticTrees Pelor the Burning Hate]].

* ''{{Hellsing}}'': In his fight with Alucard, Luke Valentine is shown to have a strong HealingFactor, surviving after getting shot in the head by Alucard's specialized gun. However he is unable to regenerate his legs. In the manga this inconsistency could be explained by the fact that Casull inflicted the head shot, while his legs were shot off by Jackal. In the OVA, Jackal was the cause of all three wounds.

* Several in ''[[Film/TheLastAirbender The Last Airbender]]''. Most noticeably, the firebenders now need a source of fire to bend it. But considering that fire can be put out by water, earth, and air, while the other three elements can not be put out, it becomes unbelievable that the fire nation could have actually conquered any of the other three nations.
** Also the fire nation prison is no longer set on an iron platform in the middle of the ocean. Now the firebenders keep captured earthbenders in a prison with a completely dirt floor, with not even the slightest explanation about why the earthbenders never fought back.
** Just the fact that Jet wasn't introduced in the first movie, leaves a ton of plot that needs to be made up in the second movie.
** And the Kyoshi Warriors - How the hell is Azula supposed to conquer Ba Sing Se?
** Also, Aang leaves because he is told that avatars can't have a family, but if Avatar Roku didn't have a family, then Zuko and Azula couldn't have been born.
*** Actually, this works if you consider the fact that it's specifically Aang who was told this. Avatars ''can'' have families, it's just that the ''Air Nomad elders'' don't think Aang should have personal attachments like that. Sure, you can't interpret this unless you see the actual show, but [[{{FridgeBrilliance}} it does work.]]
** And Katara never learns about the healing arts because A) Jeong Jeong isn't in the movie and B) Pakku is such a nice guy that he allows her to be a student. How is she going to know how to bring Aang back to life after Azula electrocutes him?