"It's a card game based on a cartoon based on an ancient religion based on a candy bar."The gradual distortion or even disintegration of a world and its characters during its odyssey from original source material to movie to TV movie then to television series then to video game and finally to licensed derivative work. The dramatic equivalent of photocopying a photocopy of a photocopy. The adaptation need not be subjectively worse than the original. It need only be different. Every step away from the original property involves new input from multiple directions which dilutes and changes the flavor and behavior of the story. Adaptation Decay can sometimes be minimized, and each generation of the process will remain reasonably faithful to the original. On the other hand, a strong example of the trope would result in an In Name Only adaptation, for better or worse. Anime frequently features some degree of Adaptation Decay, since many series are based on either manga or video games, which are subject to less censorship than TV shows. More egregious examples include dropping or adding characters. Additionally, when an anime series is brought to the United States, it may suffer further decay if it is being translated with an eye toward broadcast markets — dialogue may be arbitrarily changed or censored, and entire plotlines may be removed.
This page is for In-Universe Examples Only. For Real Life examples of Adaptation Decay, please go to one of these subtropes:
- Adaptation-Induced Plot Hole
- Animated Adaptation, taking into account the Animation Age Ghetto
- Cut-and-Paste Translation
- Death by Adaptation
- Edited for Syndication
- Human-Focused Adaptation
- In Name Only
- Live-Action Adaptation
- Porting Disaster
- The Problem with Licensed Games
- Revised Ending
- They Changed It, Now It Sucks
- Video Game Movies Suck
Examples of fictional references to Adaptation Decay:
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Anime and Manga
- In Franken Fran, a movie was made based on a previous patient of Fran's, a dog whose brain got put into a human's body. Among other things, the dog was now a pretty boy instead of an ugly balding man, the dog's owner was turned from a little girl to a young woman, Little Miss Badass Veronica was turned into The Big Guy, the dog and his owner have sex, and the story was given a happy ending where the woman's leukemia was mysteriously cured by The Power of Love. Compare that to the real events, where the girl died of pleurisy and the dog waited for her at the hospital until his own death. Veronica ends up throwing a chair at the screen and declaring the movie crap.
- Deliberately done in Excel Saga. The anime was never supposed to stay very true to the original manga, which is far more tame than the hilarious monstrosity that is the anime. While the manga focused on mocking the recession Japan was going through at the time while using quirky humor, the anime focused on all-out wackiness using the same characters and setting. This trope is used as a Running Gag by the anime, where, Once an Episode, the Author Avatar of the original author Koshi Rikdo is forced in increasingly violent ways to give his approval to transform his creation into a different genre entirely, creating an anime that cheerfully mocks every genre it touches.
- The second episode of Cromartie High School opens with Takashi talking about how fans constantly complain about design changes and voice acting whenever a manga is adapted into an anime, and then transforming into a blond, female Moe version of himself.
- Invoked in-universe in Aquarion EVOL with the movie "Skies of Aquaria", a "Hollywood" version of the events and legend in the first anime
- Also invoked in-universe in Gundam 00: A Wakening of the Trailblazer with the movie "Celestial Being", a "Hollywood" version of the events of Mobile Suit Gundam 00 with a lot of liberties taken. This gets taken to the extreme in Super Robot Wars Z 3: Hell Chapter, which inserts Mazinger Z, Shin Getter Robo, Gurren-Lagann, Tetsujin 28-Go (even though he wasn't in that particular mission) and an army of VF-25s. Koji is excited that Mazinger Z was depicted as a 200 meter tall giant of light. The other heroes are... less than thrilled.
- In an episode of the Buu Saga of Dragon Ball Z, a movie representing Cell's defeat at the hands of Mr. Satan is shown before the tournament. However, not only is it untrue (It was actually the Z Fighters who beat Cell), but it is embarassingly ridiculous. Only Goku was entertained, and even then, only because he considers it So Bad, It's Good.
- In The Daughter of Twenty Faces, Shunka approaches one of her friends to draw a manga based off the adventures of the Bishoujo Detective Girls (a group she is a part of). Upon reading the finished product, Shunka is annoyed to find that the artist has inserted a fictitious Love Triangle in order to make the story more appealing to publishers.
- Discussed in-universe in Shirobako, when the production staff of Musashino Animation talk about what happened to Sailor Suits and F3s, a manga by Takezou Nogame that had been animated earlier, while they're working on another Nogame series (Third Aerial Girls' Squad) The fairly serious sports manga was retooled into a Gag Series, with its battle-hardened Action Girl protagonist being turned into a vapid moeblob. The ratings were so poor Nogame's reputation was affected even though he had little role in the production. The experience of working on it also turned production assistant Daisuke Hiraoka, a fan of the original manga, into the burnt-out cynic hired by MusAni.
- An old MAD strip showed a writer submitting a film script about a teenage boy who gets into trouble with the law but learns better. At the end of a ludicrous series of rewrites at the behest of various studio execs, his script has morphed into "Cinderella".
- In one issue of The Authority, a suicide-inducing meme is rendered harmless when it's told to a screenwriter, who acknowledges that "it's very good, but it needs something", and rewrites it.
- Hellboy: All of the in-universe adaptations of the life of 1930s pulp hero The Lobster are said to be massive examples of this, utterly rife with Stylistic Suck. Worst of these are a series of Mexican movies in which he is not only given the name "Lobster Johnson" (the last name taken from the Pulp Magazine version's secret identity), but is also portrayed as a Masked Luchador. Hellboy still enjoys the stuff, though.
- One story arc in Damage Control featured a Hollywood producer who wanted to make a movie about the company. The results were... less-than-faithful.
- There's an issue of Catwoman where Harley Quinn attempts to sell Selina's life story to a group of film execs, who promptly suggest a bunch of unnecessary changes (such as Race Lifting Harley into an Asian teenager and making Selina a young spy). The story ends with an enraged Harley killing the execs and storming out of the room.
- Parodied by Harry Partridge here with a Saturday Morning Cartoon version of Watchmen.
- The Brothers Mario is a deliberate attempt at this, in the style of a parody, turning Mario and Luigi into standard Brooklyn Rage action heroes and Bowser into a Scary Black Man heading a drug cartel. In short, the GTA4-based machinima makes the actual Mario Brothers film, well-known for its Adaptation Decay, look like a Pragmatic Adaptation. The Brothers Mario got a sequel and its own theme song.
- The North Remembers has Arya Stark watching a Braavosi play about the events in King's Landing which led to the War of the Five Kings. The play itself exhibits blatant Black and White Morality (with its own Deliberate Values Dissonance), where Jaime is a comic-relief character who becomes religious at the end, and Ned Stark is executed not because he discovered the illegitimacy of Cersei's children, but because he considered Cersei too weak to rule because she was a woman. At the end, the Lannisters are either dead or publicly humiliated.
- Invoked in Vaguely Recalling JoJo, as the fan doing the recalling of JoJo's Bizarre Adventure can't remember all of the details.
- The aptly named movie Adaptation. portrays a highly self-referential example of this.
- In Saving Mr. Banks, P.L. Travers makes it her mission to prevent this from happening to Walt Disney's film adaptation of her Mary Poppins novels.
- Towards the end of Scott Pilgrim vs. The World, the supporting character Michael Comeau says "The comic book is always better than the movie". He can also be overheard saying that the first album is never as good as "the first" album. Comeau's a satire of the people who are into a given social scene for the social aspect, rather than caring about the subject that supposedly unites everyone there.
- The Japanese film Welcome Back, Mr. McDonald is about the live production of a radio play. Problems with the actors, sound effects, and advertisers result in them deviating from the script to the point that they are completely rewriting it every commercial break, much to the original author's distress. Needless to say, the final product ends up having very little in common with her original story.
- In The Front, a gas-chamber scene has to be rewritten to use some other method of execution because the show's sponsor is a gas company.
- The 1986 Alan Alda comedy Sweet Liberty is about a history professor struggling with a film adaptation of a book he wrote on the Revolutionary War.
- In The Witches Of Oz, Ilsa plans to make Dorothy's child-friendly books into Hotter and Sexier movies. She's not pleased.
- In Neil Gaiman's short story "The Goldfish Pool", a young writer struggles to adapt one of his novels to film. Due to Executive Meddling, he is forced to discard the title, plot, characters, themes and even genre of his original book; ultimately changing it from a psychological horror story into a romantic comedy.
- The Agatha Christie novel Mrs McGinty's Dead includes a playwright adapting one of Author Avatar Ariadne Oliver's books about Sven Hjerson, an elderly, Finnish, vegetarian, Celibate Hero detective. The playwright doesn't like the idea of him being a vegetarian, thinks he has to have a love interest, which means he can't be elderly, and decides he isn't even a Finn any longer, he's in the Norwegian resistance.
- Briefly seen in the Doctor Who New Adventures novel Lucifer Rising, when Bernice Summerfield sees the end of a 22nd century holo-drama in which a beautiful computer expert defeats the Martians and claims the handsome museum curator. She is surprised to realise that this is meant to be the Martian invasion of 2090... just as the readers are surprised to realise it's meant to be 1969 serial "The Seeds of Death", in which the computer expert is an Emotionless Girl and the museum curator is an elderly eccentric. And there's apparently no mention of the Doctor's involvement either.
- The various film adaptations of Dracula in Anno Dracula: Johnny Alucard take massive liberties with the source text (which itself makes a massive deviation from what "really" happened in the Anno Dracula universe). The title film in "Francis Ford Coppolla's Dracula" was made instead of Apocalypse Now and is simply that film with the names and locations changed. In "The Other Side of Midnight", John wants as many versions of Dracula out there as possible as part of a Post Modern Magic ritual to get everyone to Clap Your Hands If You Believe in the Count; it doesn't matter if most of them are any good or not.
- In the short story Blood Sacrifice by Dorothy L Sayers, the protagonist is the author of a play. He's come to loathe the lead actor for demanding so many changes to the plot that it's hardly recognisable as the same story.
Live Action TV
- An episode of Two and a Half Men involves a double example of this: Jake feigns having read Lord of the Flies (his book report assignment), while Charlie feigns having read the Oshikuru comic book (the Animated Adaptation of which he's writing the theme song). In the Oh, Cisco! moment, after a montage of Jake trying to help Charlie understand his source material, we get to watch Alan, Jake, and Charlie watch the premiere of Oshikuru. The show uses the exact same theme Charlie had originally written with a Lighter and Softer twist. Jake voices his incredulity, while Charlie simply says, "The network liked it."
- An episode of Blossom once demonstrated almost instant Adaptation Decay in action: Nick once had a chance to pitch a TV show concept about his family life to a pair of network execs. The concept was called "Rosie", and was essentially a recursive version of Blossom. By the time the network execs got done with it, though, "Rosie" had transformed from a gentle family comedy to a detective show starring chimpanzees.
- Married... with Children also demonstrated this in an hour-long ep, where Christine Applegate's talk show went from being an edgy local cable show... into a show with practically no bite at all when a network picked it up. Example: heavy metal guitarists yelling "Sex!" replaced with nice accordionists saying "Book."
- Power Rangers played around with this type in the Dino Thunder episode "Lost and Found in Translation". In it, the Rangers discover a Japanese television show which seems to be based off of their adventures (which is really an episode of Bakuryuu Sentai Abaranger, the show used to create Dino Thunder). Conner is initially upset with the show for, in his opinion, making a mockery of both the Rangers and America, but by the end of the episode he learns An Aesop about diversity.
- Mercilessly parodied in the Stargate SG-1 episodes featuring the Show Within a Show Wormhole X-Treme!, a television program based loosely on the "actual" events of the Stargate program which is allowed to go ahead by the powers-that-be in order to act as a cover for the real thing. Each episode that features Wormhole takes liberties with the original source material for laughs, and hangs numerous lampshades on various plot holes and inconsistencies in previous SG-1 episodes.
- The X-Files episode "Hollywood AD" centred around a film being made based on Mulder and Scully's work. The Big Bad is an insane bishop using a magical artifact to take over the world, his henchmen are gun-toting zombies, Mulder (played by Garry Shandling!) cracks cheesy one-liners during fight scenes and there is a romantic subplot between the two agents.
- In the iCarly episode "iCarly Saves TV", the trio are offered the opportunity to turn their webshow into a syndicated television series. By the end of the episode, Freddy had been replaced by a zany mascot, the Deadpan Snarker sidekick was replaced by an obnoxious child star, and when Carly quit, she was replaced by a sitcom family, and they changed the title. Yet the network considered it the same show, despite not even being In Name Only.
- In Californication, Hank Moody wrote a book called God Hates Us All. The movie adaptation became a romantic comedy called Crazy Little Thing Called Love. Hank seduces the director's wife to get revenge and later gets into a public brawl with him. His daughter points out that the transition shows his work reflected his deeply-buried idealistic side when trying to sweet-talk him.
- One of Angel's adventures was adapted into an in-universe movie. Angel is a cop played by Nicolas Cage, Wesley was his partner, Spike is his female love interest, and Fred is a short-haired butch badass. IDW Comics released a comic adaptation of this movie.
- The basic plot of Episodes. Husband and wife team Sean and Beverly Lincoln are the creators of Lyman's Boys, an award-winning Brit Com about a Boarding School headmaster, and agree to make a Transatlantic Equivalent providing Richard Griffiths still stars, and nothing gets changed. The US version turns out to star Matt LeBlanc as a hockey coach, and is called Pucks!
- Seinfeld almost avoided this when Jerry and George got their sitcom pilot based on themselves, but they didn't get the green light until they added the guy-sentenced-to-be-his-butler-because-he-had-no-auto-insurance, so Jerry has an indentured butler.
- Lampshaded in the opening number of The Muppet Show when Brooke Shields was the celebrity guest and they were doing a production of Alice in Wonderland.
"Don't be surprised if you meet Captain Hook, 'cause our version won't always follow the book."
- Happens twice in Ellery Queen:
- In "The Adventure of the Comic Book Crusader", Ellery is not pleased with a comic book series about him.
- In "The Adventure of the Sinister Scenario", the script based on Ellery's novel is said to be not only horrible, but getting worse with each revision.
- And twice in Community, too:
- In The Affair, Bruce despises the movie adaptations of his books because they make a mess with his material, so he just gives nominal support, cashes the checks and shows up at the premieres.
- According to Les Luthiers, the Las Majas Del Bergant? zarzuela (a Savoy Opera about a Spanish ship whose crew is attacked by pirates) is based on a novel... about a Bulgarian lumberjack and his parrot. The only character left from the original novel was the parrot. This is forgivable, considering that Les Luthiers are a comical group and Las Majas del Bergant? is one of their most hilarious performances.
- There Goes The Neighborhood:
This is the movie of the screenplay of the book about a girl who meets a junkie.The messenger gets shot down just for carrying the message to a flunkie.We can't be certain who the villans are 'cuz everyone's so prettyBut the afterparty's sure to be a wing-ding as it moves into your city
- The Onion mercilessly parodies this with the "'Iron Man' Trailer To Be Made Into Feature Film."
- The main focus of the "Adaptation Sickness" episode of Folding Ideas. Pragmatic Adaptations (or adaptations in general) that worked, sometimes better than the original, are also discussed. The example of a bad adaptation given is The Film Of The Earthsea Trilogy.
- Played for laughs in Paper Mario: The Thousand-Year Door, with the Super Luigi series of books. According to them, Luigi went on a grand and epic adventure that rivals the one Mario is going on. By asking Luigi's various sidekicks, you find out that they're actually a lot less impressive than they're made out to be.
- A plot point in Dragon Age II, as due to the legend of the Champion of Kirkwall being constantly embellished with each retelling, Cassandra is forced to track down Varric, the originator of the tale, to find the truth about who Hawke really was and what really happened at the Gallows. Varric is also shocked to learn that in some retellings, Hawke has been Flanderized from the Right Man in the Wrong Place, to the Big Bad who masterminded every calamity suffered within Kirkwall as a means to acquire power and cause the downfall of the Chantry.
- In Phoenix Wright: Ace Attorney Trials & Tribulations there's Godot's theme music ~ The Fragrance of Black Coffee which is so stylish, chic and badass at the same time, a shout-out to jazz music. Any player would have thought that the "ungodly cool guy" has an ungodly cool tune by the time they get to also hear his in-game cellphone ringtone, which is a simplified monophonic rearrangement and is also cool, but sounds so embarrassingly lullaby-ish without those saxophone parts, that upon hearing it Phoniex wonders just what kind of ringtone that is.
- In Homestar Runner, the DVD-exclusive Strong Bad Email "Comic Book Movie" had Strong Bad describe how Hollywood would handle a movie of his comic book character Strong Badman: badly.
- Fans' typical reaction was reflected here in Weregeek.
- In the Kings War arc of the Meta Fic Roommates the Shadow Child aka Disbelief remarks that thanks to this he would be able to grind the once unbeatable Glinda's will to dust. Specially alluding to The Wizard of Oz, Wicked, Oz: The Great and Powerful and The Witches Of Oz (in this order) while saying this. If someone didn't guessed the Shadow Child is quite an evil being.
- Turtles Forever features the 1987 and the 2003 Teenage Mutant Ninja Turtles meeting and constantly getting confused over the differences in their worlds. They also note how they are Lighter and Softer than the 1984 comic book Ninja Turtles they are based on.
- Family Guy
- Peter Griffin takes this to unseen levels with "his" play of The King and I — which, ironically, ends up being a huge success much to Lois's chagrin.
- Brian's drama What I Learned on Jefferson Street becomes the sitcom Class Holes! with a live studio audience, a chimpanzee, and James Woods.
- The Avatar: The Last Airbender "The Ember Island Players" was highly precise but not very accurate.
Zuko: That... wasn't a good play.
Aang: I'll say.
Katara: No kidding.
Toph: You said it.
Sokka: But the effects were decent.
- Prince Zuko also explains that he dislikes the Ember Island Players because of how they've "butchered" Love Amongst The Dragons.
- Toph liked the huge muscle-bound guy who played her, though.
- Polly Pocket and her friends once went to the movies to watch what they expected to be the best movie ever because it was adapted from what they considered the best book ever. In the end, they considered it the worst movie ever.
- Jimmy Neutron gave us Principal Willoughby's play Macbeth In Space! It was somehow even less faithful than you would think it'd be.