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Adaptation Expansion
"The movie follows the book, sort of, if you can imagine a cute balloon inflated into a zeppelin."
Roger Ebert, review of The Cat in the Hat (2003)

This is the complete opposite of Compressed Adaptation. It occurs when a short, very simple tale is given a much bigger adaptation, typically as a feature-length film. To be brought up to feature length, the storyline will have to be padded with some new stuff — a lot of new stuff. Cue Alternative Character Interpretations that require elaborate backstories, minor characters given much larger parts, completely new characters, and sometimes Plot Holes, Plot Tumors, and a triple dozen subplots that were not in the original work.

This has a tendency to make the story unrecognizable as retelling of the original. In particularly egregious instances, the original story will end up as one small part of a much larger, more convoluted story. This will usually be the climax, in which case the film essentially gave you an hour or more of Back Story. This most often happens with movies based on novellas, short stories, video games or children's books. In the children's books instance, this can lead to the introduction of Darker and Edgier into a normally benign story or the reintroduction of elements lost in Disneyfication of classic stories.

While this can be done well, this trope is often associated with the complaint "They Changed It, Now It Sucks!" An adaptation In Name Only goes even further than this, throwing out the original plot and making things up out of whole cloth. Remember that Tropes Are Tools and extensions for adaptations might need to happen to fill the required runtime, just going about it right is the problem most productions face.

Compare Expanded Universe. See also Adaptation Decay, Adaptation Distillation, Compressed Adaptation, Humble Beginnings, Patchwork Story, Not His Sled.


Examples:

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    Anime 
  • As a general rule, most anime adaptations of yonkoma usually expand on the sparse-by-necessity gags/scenes from each of the four-panel strips.
  • The first six episodes of Hellsing have significantly more character development and material than the two volumes of the manga they are based on.
    • The remaining 7 on the other hand... well, you'll find out soon enough.
      • And the character deveolopment in the first six episodes of Hellsing TV pales in comparision to that of the last three or four volumes of the manga.
  • Naruto
    • Episode 133 of stretches out almost everything from the manga chapter it was based on, and the adds a whole bunch of things that were never there in the first place, to the point where it's about fifty percent Filler. The catch? It is actually far better than the original story, as when something that dramatic happens it can serve to slow things down for a bit.
    • The anime frequently does this when it wants to add time by ways other than plain old filler. For example, Temari and Tenten's fight (if you can call it that) was off-screen in the manga, but on-screen in the anime. Shippuden has a filler arc that actually gives one character (Asuma) some backstory (although the anime already did that with pre-Time Skip filler to Kurenai, Anko, and Ibiki) and another detailing the capture and sealing of one of the third tailed beast, Isobu when in the manga this we only saw half a chapter of this and most of it took place offscreen (which is a good thing, as many were disappointed that we didn't get to see any of this in the manga).
      • Likewise, a filler arc in the anime actually details a character named Utakata who is actually the Jinchuriki of Saiken, the six-tailed slug. Utakata actually does appear in the manga, but was captured off-screen and along with the other Junchuriki sans Gaara, Killer Bee, and Naruto, was absent for about a year until he was resurrected along with all the other junchuriki who were captured by Akatsuki. As a result, we get to know who Utakata is—and unfortunately, see just how dismal his fate is...
    • Episodes 1 and 3 feature Early Bird Cameos by the future members of Team 8 and 10, who don't appear in the manga until the start of the Chunin Exam arc, possibly to acknowledge their existence as part of Naruto's class.
    • How about the infamous 'Unmask Kakashi' episode? It was just a 3-page manga-special, yet they expanded the story with a much better ending... which gave birth to the screwiest episode of the original series.
    • In the manga, Kakashi and Might Guy had an alluded battle against Jinpachi and Kushimaru of the Hidden Mist. Now, given the nature of manga writing, some things are bound to get cut out, but this one was a tad too egregious to pass up for fans. The anime, perceptive to their base, adapted this battle into a full episode, making up for the plot element Kishimoto decided was unimportant at the time. Give those folks a medal for their kindness.
    • Episodes 166 and 167 have the most Adaptation Expansion in the entire series. Instead of trying to defeat Pain herself, Hinata decides to distract him in order to free Naruto from the spikes binding him to the ground. She didn't get beat down once, she got beat down multiple times. She then tried one last time to remove the spike from Naruto's hands, but Pain does the last attack. Then along came 167, with Naruto doing some fighting in the 4-tailed mode (it only lasted for one panel in the manga), then unleashing hell on Pain in the 6-tailed mode with a series of attacks, including a rapid-fire mini-Tailed Beast Bomb attack and a Tailed Beast Laser (both attacks were actually imported much later in the manga); then Naruto goes 8-tailed and creates a meteor shower with a stream of flames igniting the debris flying out of the Chibaku Tensei. To say the animation in both episodes is odd is an understatement; nonetheless, the fluid, fast-paced animation made for action-packed episodes.
    • When the anime was in danger of the dreaded manga overlap, it went on a massive flashback tangent bigger than any other form of Padding that had been done before. It started at a point in the manga that presented several major flashbacks in a row. This span of flashbacks did not stick for very long in the manga and focused primarily on Obito's past and how Kakashi accidentally became an Unwitting Instigator of Doom. The animation studio, however, decided to keep rolling with the flashbacks and turned the short cutaway into one uninterrupted run of throwback history until they milked it as far as they could. Though it was not by any means boring, it effectively shelved an arc about all-out war to showcase another all-out-war. On the plus side, it depicts the formation of Akatsuki on a deeper level, shows that Tobi and Danzō played a bigger part in the tragedy which befell Nagato and Hanzō, revealed Kakashi's ANBU days, something fans have long desired, and even spotlights Yamato's backstory, including the origin of his second codename, Tenzō. All because Obito revealed how he had survived his brush with death. Holy freaking crap.
    • One of the most welcome changes to the anime over the manga is the Mizuki Strikes Back arc for the amount of screen time that it bestows upon fan favourite Iruka as well as making Naruto's first ever on-screen enemy Mizuki far more badass than he ever was originally.
  • The same development can be said of Episodes 8 and 10 of the anime Love Hina, which likewise improve upon the manga chapters.
  • Lucky Star had a lot of new material added into the anime. For example, all of the Haruhi Suzumiya references.
    • Also, anybody who watched the first episode remembers, for better or for worse, the food discussion that took up roughly half the episode. The manga's version of the discussion? Four strips, focusing on the choco-cornet.
  • MÄR: The manga ending was very rushed bordering on anti-climatic. The anime however, not only expands on the ending but give a completely different final battle with most of the heroes killed (though brought back later) and one of them Snow merging with her real world counterpart Koyuki to be with Ginta when he goes back.
  • The Pokémon anime is a shining example, having perhaps a whole two-thirds of the episodes being content added into the world provided by the games. In fact, they did a 36-episode story arc based outside of the established worlds (The Orange Islands - the second season, no less!).
    • While Pokémon Special stays true to the games for the most part, new characterizations and plots do get added on.
  • Subtly done with Azumanga Daioh, which expands every joke from the original Yonkoma-style manga. In many cases, the extra length between setup and punchline actually makes the joke funnier (a key example: the famous "Osaka with a knife" incident is infinitely funnier in the anime because of how long passes before you see the weapon).
  • In the Higurashi no Naku Koro ni manga. Some scenes expand on their sound novel counterparts and new scenes are added, in contrast to the anime's Compressed Adaptation.
    • The ending of Tsumihoroboshi-hen in the anime makes more sense. And it devotes an episode to it. But they do end up screwing the beginning to the associated next arc.
  • In addition to a great deal of straight-up Filler, the Bleach anime expanded many manga scenes, particularly in flashback sequences. Some of these may have been included to ensure that episodes started and ended at suitable plot points.
    • The flashback episode dealing with Ikkaku and Yumichika's history in the Rukongai before they became Shinigami covers how they first met Kenpachi. The expansion of only a couple of canon manga panels into a full episode has caught out some parts of the fandom who don't realise almost the entire episode is filler and not canon.
    • This is also especially prevalent in the Turn Back the Pendulum Arc, where over half of each of the first two episodes were new material.
    • The anime also added an episode to finally give 3rd Espada Tia Harribel a backstory and motivations, something the manga did not do.
    • There's also Episode 293, whose second half is the animated rendition of the Shocking Swerve from Chapter 392 with Hitsugaya almost killing Momo, thinking she was Aizen while under the influence of Kyouka Suigetsu. Not only it's beautifully animated, but after the deed is done and we see the Oh Crap expressions in the captains' faces once they realize what truly happened, we get an extra scene where Hitsugaya, having withdrawn his sword from Momo's body, gently carries her in his arms to a nearby terrace, which is when she asks him why he hurt her before passing out. Then he screams and attacks Aizen in a blind fury. For all the faults the anime has, it was really well-done.
    • The last episode of the anime add scenes to wrap up the end of the Full Bringers arc, particularly a talk between Ichigo, Renji and Rukia after Ichigo goes retrieve Ginjo's corpse (Rukia didn't show up, only Renji) and a whole epilogue that shows both the Shinigami going with their lives ( i.e, it shows that Momo and Hitsugaya ultimately recovered from the horrible incident described above) and Ichigo happily returning home to his family and friends ( this includes Yuzu, his little sister who still can't see spirits — her spiritually aware twin Karin points out where Ichigo's coming from so she can wave hello to him.)
  • The K-On! anime is well over half new material, which was a given, with it being based on a 4-panel manga.
  • YuYu Hakusho has several instances of expansion from the manga, as minor plot points can become mini-subplots. In the anime adaptation of the Yukina arc, part of the pressure is to get to Yukina and prevent Hiei from killing Tarukane out of anger, and Hiei is shown prepared to kill Tarukane before Yukina stops him. In the manga, Botan only mentions that it was good that Hiei did not kill Tarukane, or else they would have to arrest him for killing a human, and Hiei only punches Tarukane once after finding him, saying that Yukina is worth more than he is. Come on, Hiei! You can't kill the guy, but readers probably wouldn't blame you for attempting it, considering what Tarukane is...
  • Inverted with Slayers and its original source of canon, the Light Novel series. The regular series is fifteen books long, and the first half is the basis for one manga series and two seasons of the anime. The Slayers Special/Smash novels take place before the original series. While four movies and six OVAs cover a good amount of Lina's prequel time, there are over thirty novels. As of this writing, Smash is on hiatus, but definitely not cancelled, so it won't end anytime soon. This creates some serious Fridge Logic when it's revealed that the Special/Smash series takes place over the span of two years, while the regular series spans roughly four.
    • The manga adaptation of the Slayers Premium Non-Serial Movie clarifies a few loose plot points and makes Amelia, Zelgadis, and Xellos more active in the events that go on, whereas in the movie, they (especially Xellos) were moving scenery.
  • As a result of having relatively few opportunities to put in filler arcs in recent anime episodes, recent One Piece episodes cover exactly a chapter worth of material to avoid getting closer to where the manga is. As most chapters don't have 20 minutes worth of material, a good portion of the episodes ends up being filler, primarily expanding on scenes, giving what is happening in a single panel more time on-screen and showing what a character who had not been shown in the actual manga chapter is doing (for example, Brook looking for milk before going back to fight Oars in the Thriller Bark Arc).
  • The 2003 anime version of Fullmetal Alchemist deviated from the manga on many points, but even the ones where it stayed the same had additional scenes. The Liore arc, one of the more faithfully adapted ones, goes on for two episodes instead of one chapter, has several added scenes expanding on Rose's backstory, and shows Father Cornello and his minions giving the Elric brothers more trouble than they did in the manga. Some minor plots are expanded upon, as in the anime, Ed has a 10-Minute Retirement after Nina's death, during which he encounters and helps arrest Barry the Chopper (whom the brothers don't meet in the manga until his soul is bound to a suit of armor).
  • Haruhi Suzumiya:
    • The original Light Novel story of "Endless Eight" was a short story that tells the story of a "Groundhog Day" Loop and its resolution, as seen through the 15,498th and final iteration through the loop. The anime, on the other hand has aired eight episodes of this, which depict: (a) an unnumbered iteration where the protagonists don't realize they're in a time loop; (b) six nearly identical subsequent iterations with only cosmetic differences where the SOS brigade discover the loop but, contrary to the short story, don't manage to solve it; and (c) a final episode—iteration number 15,532—where Kyon finally manages to sever the loop and end the 595 years of repetition upon repetition.
    • The movie, The Disappearance of Haruhi Suzumiya also counts, since it expands a rather short novel into a massive, nearly-three-hours-long feature film.
  • Shokojo Sera. While several characters are added or expanded, and the finale is made much more dramatic, the overall story arc is remarkably faithful to the original novel, right down to word-for-word recreations of key scenes - like Becky's final march up to the attic.
    • Heck, ANY or ALL anime in the World Masterpiece Theater staple is famous for this, usually for the better (except for Remi: Nobody's Girl, but there are reasons for that). Other WMT examples are A Dog of Flanders and Anne of Green Gables whose stories are not only adapted faithfully, but lots more characters, stories, and conflicts are added, all the way down to really tiny details most people wouldn't even notice thanks to those stories being immensely popular in Japan...and I LOVE them for that!
    • The novel Daddy-Long-Legs is long and complicated enough to have supported a short anime series—but when it was World Masterpiece Theater picked it up, they turned it into a 40-episode series. This required expanding some incidents and adding new arcs and new characters. Opinions may vary as to whether the additions were better or worse.
  • The first "chapter" of the Fist of the North Star TV series expands Shin's role from just being a Token Motivational Nemesis by changing the order of events in the story and making his organization bigger than it was in the manga.
  • The Cardcaptor Sakura manga had nineteen cards, the anime had 52 — which is appropriately serialized for a 52-episode anime setup (and even then, the anime got 70 episodes plus two movies). There were also new plot threads and the addition of Meilin.
  • The Tona Gura manga chapters that came out well after the anime was done have added depth to the on-screen personalities of the characters. Even militaristic Marie Kagura has a surprisingly sweet if sad motivation for her attacks on her brother Yuuji beyond their father's orders.
  • With one exception, Junji Ito's manga adaptation of Frankenstein is this. The added scenes detailed Frankenstein having nightmares of Justine, as well as Henry Clerval discovering Frankenstein creating the female wretch, helping him, and then the wretch coming in with a head for the female. Which is Justine's head. An additional theme added to the adaptation is Clerval telling Frankenstein this could resurrect the dead... however she Came Back Wrong and tried to kill the wretch, is then killed in self-defense. From then on, it veers back on track with the novel we know of.
  • Brigadoon: Marin and Melan had only two manga volumes, while the anime went well over 20 episodes and introduced several new characters.
  • Kamen Rider Spirits is essentially an alternate retelling of a 45-minute TV special. It started in 2001, and is still running (though currently on hiatus). Mostly this is because ZX's origin special was focused solely on Murasame/ZX's battle with Badan; Spirits shows what the other nine Showa Kamen Riders were doing after their series, as well as tying everything together by having the remnants of their old enemies joining forces with Badan.
  • The Hidamari Sketch yonkoma started at around the same time (early 2004) as Lucky Star and both were first animated at roughly the same time (early 2007). Yet, Hidamari Sketch has a much slower pace. It is only through Studio Shaft's expansion (with the insertion of original stories) that it can sustain the 42 episodes it has or will air. Major expansion points: Chika was ascended from a referenced unnamed character to arguably one of the major characters. The anime played up the manga's relatively normal Romantic Two-Girl Friendship content, to the level that Hiro and Sae can be said as platonically married in the anime. Natsume's tsundere tendencies are magnified in the anime.
  • The manga adaptation of Breath of Fire IV in Comic Blade Avarus manages to be simultaneously an example of this trope and Adaptation Distillation. The manga is a distillation of a 40+ hour JRPG with Multiple Endings, Multiple Plots, and which has been legitimately described in parts as Fetch Quest Hell; however, the manga also added a fair amount of material from the official artbook that was never included in the game.
  • For all the omissions and changes they made, the Fist of the North Star: Legends of the True Savior movies and OVAs feature plenty of new story elements as well. The first four installments did so by retelling events from the manga from the perspective of characters other than Kenshiro, while the fifth movie was actually a prequel to the manga.
  • An unusual example of this trope is Mobile Suit Gundam when it is adapted into the manga Gundam: The Origin. Being a 43-episode TV series, there's no shortage of source material, but the author, Yoshikazu Yasuhiko, did more than that — he streamlined the original storyline while visiting many background events and character histories. This included Char Anzable and Sayla Mass's childhood and exile, Char's subsequent enrollment in Zeon's military, the path to the One Year War (up to the Battle of Loum, where The Federation's space fleet suffered a devastating defeat) and General Revil's capture and escape. Yasuhiko's adaptation is quite popular in Japan and this expansion is praised by fans, and the manga is still ongoing.
  • Saiyuki has a lot of built-up bits in the anime (the first series filler being a lot less random than the second and third, the filler tends to focus on backstories of the characters being dragged up in some way). Homura (and his arc) was created for the first anime (by the original author though). He does however feature briefly in the manga but his main story is told in the anime. Hazel was originally the same but Minekura decided she wanted to do her own arc about him (which is why the anime and manga are very different; the anime writers interpreted her directions differently).
  • Dragon Ball
    • Dragon Ball does this with a few episodes. A notable example; in the manga, there's a scene where a female Red Ribbon officer (and apparently the only one in the whole army) presents Commander Red with a Dragon Ball. In the anime adaption of that episode, not only do you see her retrieve it, but later, upon realizing that Goku's attack is going to spell the end of the Army she loots Red's riches and gets out of Dodge.
    • Dragon Ball Z: Gohan's training in preparation for the fight with the Saiyans. In the manga, all we see is Gohan going off after discovering the new clothes Piccolo gave him while he was sleeping, and then in the next chapter they skip ahead six months to his training with Piccolo. However, in the anime, we see a good amount of Gohan's adventures on the island Piccolo left him on for those six months, and we get to see him gradually develop from a whiny little kid to a confident, self-sufficient fighter.
    • The search for the six-star Dragonball in the Red Ribbon Army Saga is also expanded greatly. In the manga, Goku swoops in, beats up two mooks, beats up Colonel Silver, and leaves with the Dragonball. In the anime, this storyline is expanded to include the Pilaf Gang, Chi-Chi, the Ox King, and a shifty antique shop owner.
  • The Fairy Tail anime, in addition to giving the supporting cast a bit more attention, will add in little bits of foreshadowing that normally didn't appear in the manga until anywhere twenty to a hundred chapters later, making the story seem a lot more planned. Thus far they've included Laxus' hand sign in one of the very first episodes, turning it into a guild gesture; an early display of Levy's ability to deactivate any form of written spell; a glimpse of the Oración Seis members as child slaves in the Tower of Heaven and a cause for their desires; and the mention that Siegrain and Jellal are twins right of the bat rather than wait until the arc was almost over like Mashima did; and a mildly exasperated sigh from Cana upon hearing Gildarts' name mentioned, very subtly alluding to her daddy issues with him.
    • Story arcs after the first season take an even further step. The Nirvana arc sees the return of Erigor, a minor villain who disappeared from the manga without a trace, even after Lucy speculated he would come back to take revenge, which he does in the anime... but his fight with Natsu doesn't even last five minutes. In fact, he's made the one who Jellal steals his clothes from after reviving, a role given to a nameless mook in the manga. The Edolas arc gives attention to off-screen events only mentioned in the manga, such as Gajeel's adventure in Edolas that leads to Gray and Erza's rescue, teaming up with his anime-exclusive counterpart to do it, and the Edolas version of Fairy Tail's debate over whether or not to stand up against the army after years of running away from them. After the arc ends, they even dedicate half an episode showing Mystogan ruling Edolas as king and giving the villains their proper punishments while the rest of the world adapts to life without magic. It even gives us the suggestion that the main villain of the arc, Faust, was Makarov's counterpart all along. The Tenrou Island arc fleshes out Ultear's backstory where she is apparently abandoned by her mother and experimented on at the research facility, which turns out to be run by Brain, the villain of the Nirvana arc. And while Natsu and Co. are duking it out with Hades, we actually get to see what the rest of the guild is doing as they're holding the fort for their injured (according to the anime, that is fending off already-defeated minor villains who are still hanging around the island).
    • The Key of the Starry Sky arc in the anime is pretty much considered canon — the manga even gives it a passing mention. It gives Earthland versions of the Royal Military characters met in Edolas, timeskip looks of returning Oracion Seis members, we learn that Dranbalt was Drowning His Sorrows since the previous arc, and Kinana has some needed development concerning her past (which was only mentioned in her profile in the manga).
  • Full Metal Panic!: The Second Raid does this, adapting two short novels into 13 episodes. The first four episodes take place before the novels even start, and add a considerable amount of background to the story. This mostly makes things better, by increasing the personal involvement of the characters in the plot. There's also the addition of entirely new characters, specifically, the fact that two forgettable male henchmen of the villain were replaced with beautiful twin sisters who play a fairly major role as rivals to the protagonists. Their first appearance was nude, together in the shower, then gradually getting dressed while being way too intimate. Because KyoAni.
  • When the game Fire Emblem: Seisen no Keifu was adapted into a manga by shoujo author Mitsuki Oosawa, she decided to add more content and plot development. As a result, this adaptation covers a lot of characterization of the side characters and goes into more detail on what happens within the countries where the battles happen. For instance, it creates a rather big subplot on the... unique situation between Eldigan and Raquesis... though at the cost of making Eldigan's wife a jealous bitch and omitting Raquesis's suitor Beowulf so she can have Finn as her Second Love. The Love Triangle between Lewyn, Ferry and Sylvia develops relatively smoothly, and the losing girl (Sylvia) is given a far more sympathetic role; and it delves rather well in the psyche of the future Magnificent Bastard and Big Bad, Arvis of Velthomer, making him a Jerk Ass Woobie.
  • In the Tokko manga the main story ends after Ranmaru awakens his powers, with the remainder of the manga being a side story focusing on a different set of characters. The anime expands on the events leading up to Ranmaru's awakening and expands/continues the story after he awakens his powers. It also expands on the backstories of most of the characters.
  • The original InuYasha series could be prone to this. One notable example is the defeat of Toukijin whose creation was commissioned by Sesshoumaru from the fangs of a powerful youkai that had hated Inuyasha. The sword takes over its creator Kaijinbou as soon as its made and hunts down Inuyasha whom it hates. Kaijinbou, unable to cope with his own creation's sheer power, explodes and the sword lands in the ground. Not even Toutousai can approach the sword, so powerful is its evil aura. In the manga, Sesshoumaru immediately arrives and defeats and masters Toukijin the second he touches it. In the anime, Adaptation Expansion has the sword begin the corrupt its surrounding area as soon as it lands in the shrine and, since no-one can approach it, Miroku begins to organize the construction of a shrine to try and contain the evil. Only after this Adaptation Expansion does Sesshoumaru finally arrive to defeat and master the sword.
  • The anime adaption of Mirai Nikki gives us some background for Marco and Ai, the Battle Couple that make up Seventh, something that wasn't included in the manga. Ai was abandoned by her parents, then taken in by Eighth, and grew very attached to Marco. When Marco tried encouraging her to stop being so clingy, Ai fell prey to a trap concocted by some Alpha Bitch students, and was gangraped as a result; Marco killed the rapists, and swore to protect Ai from then on.
  • Persona 4: The Animation has several. The game doesn't show the start of Chie and Yukiko's friendship, but the anime does. We get Yu (the protagonist's) personality because he makes his own choices rather than going with ours. We also get to hear one of Rise's songs.
  • In some Detective Conan cases adapted from manga to anime, the anime adds all kinds of details to the basic layouts already given, and sometimes these work really well. A great example is the resolution of the Detectives Koshien case: the manga makes The Reveal that Koshimizu killed Tokitsu to punish him for driving her best friend Kana to suicide upon wrongfully getting her accused of killing her boss (who actually commited suicide) rather straightforward and short, but the anime expands this via also adding flashbacks of Kana crossing the Despair Event Horizon due to the false accusation and of her throwing herself off a cliff, alongside one that shows the boss herself falling in madness, and concluding with Koshimizu crying as she explains her reasons. It's heartbreaking.
  • The Kodomo no Jikan anime often expands conversations, moves things around occasionally and changes some character development.
  • Gainax anime are prone to manga expansions due to their limited 26-episode average span budgets:
    • FLCL got a slight expansion that was cleverly added, but a little unsettling concerning when Naota attacked his father.
    • Tengen Toppa Gurren Lagann had additional backstory about The Black Siblings tossed in, while at the same time having them introduced at the point where Viral made his debut, while also detailing how Dayakka fell in love with Kiyoh, and, unfortunately, the tearful reactions of Kittan's sisters when they learned of his Heroic Sacrifice. The manga also has a scene that shows Yoko's boobs in full view during a shower scene. Only one problem- it's the shower she took after Kamina died, and she's crying her eyes out.
    • The Neon Genesis Evangelion manga fleshes out a number of characters. Among other things, the manga explores Asuka's family situation in greater detail, provides a Troubled Backstory Flashback for Kaji, and gives a much larger role to Kaworu.
      • The final chapter picks up after the events of End of Evangelion, showing Shinji and Asuka's civilian existences after Human Instrumentality is averted.
  • Kaworu's storyline is similarly expanded in the Rebuild of Evangelion films, despite the fact that he only ever appeared in one episode of the original TV show.
  • A Certain Scientific Railgun's anime adaptation includes a lot of material that wasn't in the manga, including an entire new story arc which gave some more satisfying closure to the "Level Upper" arc and foreshadowing several events in the Index novels.
  • The anime adaptation of Kotoura-san, out of necessity—not only the original was a yonkoma, but that the animators switched the story's perspective from that of Manabe to that of Haruka. Net result: the Downer Beginning that portrays Haruka's backstory—and the thing that made the series a bit of a Sleeper Hit—can be said to be expanded from the two or three strips where Haruka told Manabe her case of Blessed with Suck.
  • Kin-iro Mosaic has a similar case to Kotoura-san above, in which the backstory of Shinobu's homestay at the Carteret—which also took the first 10 minutes of the anime—was expanded from exactly one strip, when Shinobu recalled at the time, the only English she knew was "Hello" and the only Japanese Alice knew was "Arigato."
  • In the original Fushigi Yuugi manga, when Suzuno and Tatara die, they simply die. The anime expands on this scene to [[spoiler: have Tatara's soul come to Suzuno after he dies and as she dies of old age, so they're Together in Death. The added scene went over so well that Yuu Watase has said she regrets not doing that scene herself in the manga.
  • The anime adaptation of Magic Knight Rayearth slows the pacing of both halves and uses much of the time to show the girls' travel in more detail, allowing them to meet some of the ordinary people of Cephiro and learn more about the invading countries in Rayearth II. The game adaptation takes it further by adding multiple towns and new characters who the girls help or learn skills from.
  • As the Attack on Titan anime reaches the end of it's first season, there is far more scenes original to the anime (some of which Isayama wanted to put in the manga but cut for pacing reasons). These better develop minor characters, add more action and increase the emotional intensity of various events (for example, Episode 22 is almost entirely original content focusing on the aftermath of the Special Ops Squad's deaths). These scenes have been generally well received.
  • While BlazBlue: Alter Memory is largely a Compressed Adaptation, one episode features Ragna looking after Lambda-11. The episode itself is a modified version of Lambda's gag reel from the second game. Some fans argue that's it one of the (arguably few) good changes in the anime adapation, as it develops a relationship between Ragna and Lambda and Ragna's reaction when Lambda is killed later on in the story is better justified compared to the games.
  • The anime of Soul Eater Not! adds new scenes and events that never happened in the manga, and while it still keeps the more important events, it is much differently paced. This has somewhat help to expand on the personalties and the interactions of the characters, and it even allows more of the original Soul Eater cast to have cameos more often.
  • The Anime version of Supernatural gives us more background on Meg and some of the Special Children. Lily and Jake get an episode of their own each ("Darkness Calling" and "Loser", respectively) in Supernatural: The Animation.
  • On the occasions the JoJo's Bizarre Adventure anime has time to slow down the pace, it fleshes out various scenes which were only briefly mentioned or resolved quickly in the manga, such as Caesar's battle with Wamuu, Lisa Lisa's backstory, and the entire Battle Tendency epilogue. Stardust Crusaders has included some of this as well, such as Polnareff being interrogated by police after the battle with Devo, and Jotaro getting a replica of his uniform jacket and Anne getting on the plane back home after the Wheel of Fortune fight (both of which happened off-panel in the manga with a off-handed mention.)

    Comic Books 
  • The Mega Man comic is turning a series of video games with little more than Excuse Plots into a full fledged series.
  • Archie Comics' Sonic the Hedgehog was once a continuation of the SatAM series, then it started heavily incorporating the Sega continuity, and then it evolved into a highly extensive adaptation of both continuities, adding its own elements, and filling in many holes left in by both, even though it's still its own continuity.
    • As of the reboot, it's now a direct adaption of the games universe with a bunch of original elements thrown in for flavor, as well as a few lingering SatAM influences (namely the original Freedom Fighters, though they've been completely overhauled as well).
  • The comic book adaptation of Pocket God not only puts the pygmies on a larger island, but also gives them different personalities and designs to distinguish them from each other. Later in the series, a tribe of female pygmies is introduced, which the video games lack.

    Eastern Animation 

    Fan Works 

    Films — Animated 
  • The Polar Express movie, which some critics and audience members complained felt like a 20-minute short with an hour of filler added onto it. That certainly doesn't stop it from grabbing at your heartstrings, though, and the animation is quite breathtaking, too.
  • The film adaptation of the Hudson Talbott children's book Were Back A Dinosaurs Story, transformed a simple Fish out of Water tale about large prehistoric creatures dropped into the strange new setting of modern-day New York into a full-blown Disneyfied epic. The dinosaurs got some new friends in the form of runaway disillusioned children, an evil circus owner and his Cereal That Makes You Evil (seriously). Walter Cronkite also voices a scientist who gives them a mission of "making children's dreams come true". This is meant to save the world. Somehow.

    It is well worth it to hunt around for Talbott's sequel book, Going Hollywood. The story has Rex and pals go to Hollywood to have their life story made into a movie. Much They Just Didn't Care-larity ensues. One can't help but wonder...
  • All of Disney's fairy tale-based films fall under this trope by default as the original fairy tales are typically rather short and simplistic, requiring a good amount of character and plot expansion to stretch them out to an hour and half. Snow White and the Seven Dwarfs padded out its length with several dwarf-centric scenes, Sleeping Beauty greatly expanded the roles of the fairies and gave the prince something to do other than be lucky enough to be standing in front of the thorns just as the century-long spell expired, Tangled has Rapunzel spend more time outside her tower than inside it for the film's running time, etc.
  • Disney's Dumbo was based on a very short (thirty-six pages) children's book. Even with a decent amount of padding, the final film clocks in at only sixty-four minutes. They could've done without "Pink Elphants on Parade," though.
  • Coraline, adapted from the original children's book, makes several significant changes. Most notable are the addition of Wybie, a neighbor boy who turns out to be the grandson of the woman who owns the house and a friend of the Black Cat. The bit with the rag doll is also a movie-only inclusion. The movie also expands on the identity of one of the little girls in the Room Behind The Mirror and her connection to movie-only Wybie, it also completely erases the implication that the Other Mother is one of The Fair Folk whose realm is not the only one out there. The biggest discrepancy here is that in the book, that little girl isn't human, she's a pixie, and the Beldam's first victim.

    According to Word of God, director Henry Selick added Wybie in as he thought it would feel odd with just Coraline talking to herself through half of the film. Which in fact adds a certain poignancy to the question, "Why were you born?"
  • Mr. Peabody & Sherman is based on the Peabody’s Improbable History segments barely over five minutes lone from Rocky and Bullwinkle.
  • Cloudy with a Chance of Meatballs expands from original children's book about falling food getting out of proportion, to a movie about quirky scientist who creates an invention that turns water into food, his troubling relationship with his father after the death of his mother, Chicken Brent!, the evil obese mayor, sparking love interest between inventor and secret geek female weather reporter, MR. T!, Monkey!, Ratbirds!, Sardines!, etc...
  • Meet the Robinsons added a whole time travel plot around the children's story A Day With Wilbur Robinson. The second act, where Lewis meets the Robinson family and looks for Grandpa's teeth, is the only part of the movie that's actually in the book.
  • Tim Burton's Corpse Bride was initially a mere short story that he penned (itself based on a folk tale), then expanded upon.
  • The Nightmare Before Christmas likewise started as a poem by Tim Burton.
  • Almost all of the Barbie movies are this, seeing most of them are based off of short tales, such as Barbie in the Nutcracker, Barbie of Swan Lake, Barbie In The Twelve Dancing Princesses, etc. In Barbie as Rapunzel, the original story is a Dream Sequence.
  • Yellow Submarine, which expanded a Beatles song into a movie.
  • Shrek was originally a children's book that contained almost nothing that appears in the film. Somehow, we ended up with four movies, the first two critically-acclaimed, the last two being... a bit... debatable as to whether it was getting old or not.
    • And then Puss in Boots became an Ascended Extra and got his own hilarious spinoff movie.
  • The original Frankenweenie was 30 minutes. When Tim Burton revisited it years later, he turned it into a 87-minute film with a subplot involving other kids using Victor's formula to turn their own dead pets into animal versions of classic movie monsters (and Gamera), culminating with Mr. Whiskers (the vampire cat) being involved in the climatic windmill scene.
  • Epic is a loose expansion of William Joyce's The Leaf Men and The Brave Good Bugs.
  • Similar to the live-action The Ten Commandments, The Prince of Egypt expanded upon the details in the Book of Exodus to show the relationship between Moses and the Pharaoh. Both films depict it as Sibling Rivalry. Nothing in scripture itself says Moses and the Pharaoh were raised as brothers.

    Films — Live-Action 
  • Any feature-length film based on something that was written by Dr. Seuss.
  • The live-action Pippi Longstocking movies added material to the sequence of stories in the books. The third one, Pippi in the South Seas did indeed have them going to the South Seas—not to visit Pippi's father's island, but to rescue him from pirates.
  • Pirates of the Caribbean is based on a theme park ride, albeit Disney's fan favorite theme park ride since the '60s. It has since become a case of recursive adaptation: the ride now features Captain Jack Sparrow.
  • Hollywood turned The Secret Life of Walter Mitty from a classic short story by James Thurber into an overblown Danny Kaye vehicle.
  • The movie adaptations of Mr. Bean showed that the task of writing a plotline for a Sketch Comedy character is not an easy one.
  • Many Saturday Night Live characters have transitioned from Sketch Comedy to feature films: The Blues Brothers, Wayne's World, It's Pat, Stuart Saves His Family, Coneheads, A Night At The Roxbury, Superstar, Ladies Man, and MacGruber. Some became classics, others, uh...didn't.
  • The Jumanji movie, which had a far more complex plot than the children's book it was based on. The same goes for the film adaptation of Zathura, Jumanji's Spiritual Successor.
  • Seven Brides for Seven Brothers is an example of this done well, following the very short story closely, but expanding on it greatly. For example, the story's title, Sobbin Women, becomes the title of one of the songs.
  • It's somewhat arguable whether The Ten Commandments is a well done or poorly done example, but it is undeniable that the film has more to do with Moses's love life than the ten commandments. Not that that was because of a lack of source material. About the commandments, not Moses' love life.
  • Nicolas Roeg's Don't Look Now follows the plot of the original Daphne DuMaurier short story fairly closely, but greatly expands minor details and subplots, and changing the Back Story.
  • Several James Bond movies, such as Octopussy and The Living Daylights, are expansions of short stories from Octopussy and The Living Daylights by Ian Fleming. However, those two are somewhat unusual cases. The film of Octopussy is actually designed as a sequel to the short story (which is completely explained by the title character, so viewers wouldn't need to do homework), while The Living Daylights covers the story's material about Bond helping a defector in its first act, then goes on to have the defector captured among several other plot twists.
    • Octopussy also includes the plot of another story as well, "The Property of a Lady".
    • Another movie is a mishmash: For Your Eyes Only, a combination of the eponymous story and "Risico" (Melina and Gonzales from the former, Kristatos and Columbo from the latter), along with a scene from Live and Let Die (not used in the earlier movie of that name), plus many original elements.
    • The burlesque Casino Royale (1967) actually played out the original novel's story, after a fashion, but that only took up about a tenth of the running time, the rest of it going off in several bizarre tangents.
      • The more recent adaptation also plays out the novel's story, but also has Bond involved in the events that lead up to the game (not the case in the book) and mentions that Bond is just starting out.
  • Many movies adapted from Stephen King short stories, such the Children of the Corn series, would be good examples.
    • One of the most notorious instances may be the 1992 film The Lawnmower Man. While elements of the short story technically appear, in how the title character dispatches one of his victims, the plot itself was so far removed from the source material that Stephen King sued to have his name removed from the title.
  • Philip K. Dick adaptations are prone to this.
    • Total Recall (1990), which was an adaptation of Philip K. Dick's short story "We Can Remember It for You Wholesale". The original story ended shortly after the hero returned to his apartment after visiting Recall, the film keeps going in a different direction from there on.
    • Minority Report. This one was particularly notable as it retained almost nothing of the original, except for the core premise and most of the characters.
  • Johnny Mnemonic was adapted from a short story by William Gibson. Some added elements were taken from other Gibson stories set in the Sprawl, such as the "monk" assassin.
  • Spielberg's previous work (inherited after Stanley Kubrick's death) was also a short story adaptation, A.I.: Artificial Intelligence, from Brian Aldiss' "Super-Toys Last All Summer Long".
  • It's a Wonderful Life was adapted from a Christmas card's short story "The Greatest Gift". Three different screenwriters gave up trying to adapt it before Frank Capra got a hold of the rights.
    • You'll notice that the better part of the film isn't even set at Christmas.
  • A Christmas Carol has a lot of adaptations with a lot of expansion. One of the best is the famed Alastair Sim version, in which much more is added to Scrooge's past than was in the book, and as a result, a better job is done showing just how Scrooge came to be the miserly Jerk Ass everyone knows and hates.
    • Some additional scenes are so common people tend to forget they aren't in the book, such as Tiny Tim and sometimes the other Cratchit children being introduced near the beginning, Bob's shopping for his family, the young Scrooge meeting Belle at Fezziwig's Christmas ball, Scrooge surprising Mrs. Dilber after his journey with the ghosts, and Scrooge going collecting from his overdue accounts.
    • The Reginald Owen version delves a bit more into Scrooge's relationship with Bob Cratchit, as well as with his nephew Fred, although in exchange it omits some of the Darker and Edgier scenes, such as the breakup with Belle in the past and the looting and sale of the deceased Scrooge's possessions in the Bad Future.
    • In the Alistair Sim and George Scott versions, Fan was Scrooge's older sister, and the backstory tells that Scrooge's mother died giving birth to him, and this is why his father sent him off to boarding school. The former also has a scene of Fan's own Death by Childbirth.
      • The Sim Version has twice as many scenes as the standard Christmas past visits. In addition to Fan's death, we also get to see Scrooge and Marley help buy out Fezziwig's company, and then they buy the company themselves. The final visitations surround Marley's death. The Present and future visitations are condensed, however.
      • The Present visit actually does include an additional scene that shows Belle in the present day where she's doing charity work at a poorhouse.
    • The Scott version is mostly faithful to the original story, including the often-omitted scene of Belle with her present-day family, but has a couple additional scenes, one at the London Exchange, where the charity solicitors meet Scrooge instead of at the counting house, another with Scrooge's father as he is leaving school, and a third where Christmas Present shows him a camp of homeless people, i.e. the "surplus population" mentioned earlier.
  • Being There is largely faithful to the book, but finds a more natural conclusion by way of Ben's death. In addition to adding little side-plots with minor characters like Louise the maid and the lawyers (making them more intriguing), and exploring the relationship between Chance and Ben more closely, it also adds a character, Dr. Allenby, who gives the story a climax when he discovers Chance's true identity.
  • The most recent version of The Lion, the Witch, and the Wardrobe has some Adaptation Expansion. We get to explore the backstory of the Pevensies, and a battle that took a couple of pages in the book is the main course of the film.
  • Prince Caspian has even more expansion than The Lion, the Witch, and the Wardrobe. Miraz gets developed into a Borgia/Medici style tyrant. It also adds the rivalry between Peter and Caspian, and Caspian getting Promoted to Love Interest for Susan. And a summoning spell that got interrupted in the book goes further in the movie, bringing back the White Witch for one scene.
  • The movie Zoolander was based off of a series of shorts that were shown during the VH-1 Fashion Awards.
  • Every feature film adaptation of the works of Edgar Allan Poe and H.P. Lovecraft.
    • "The Pit and the Pendulum" has been made into a film several times - generally these adaptations use the actual scene where the main character gets trapped under a giant swinging blade slowly moving downwards for a climax, but have completely different plots that ultimately lead to the situation.
      • The Raven (2012) also features an adaptation of "The Pit and the Pendulum" and adds a plot with a killer inspired by the works of Poe.
  • Brokeback Mountain expands on the short story by going into more detail on the men's lives apart from each other, particularly Jack's relationship with his wife and her family, and Ennis's with his daughters.
  • Roald Dahl's children's novel Fantastic Mr. Fox was adapted by Wes Anderson. Much of the expansion comes in the form of focusing on the animals' plans to evade the farmers, the relationships and development of characters, and and the addition of Awesome Music and Funny Moments to accompany the storyline. (As revealed in a Crowning Moment of Heartwarming, it also gave Ms. Fox a name- Felicity.) The ending to the movie was found in Dahl's archives.
  • The 2005 version of Charlie and the Chocolate Factory hews much closer to its source novel than the 1971 version (even including the story of the Indian prince) but also adds unnecessary backstory about Willy Wonka's strained relationship with his dentist father. Tying in its resolution to that of the main plot causes plenty of Ending Fatigue.
  • 300 is based on a short graphic novel, so it didn't need much expanding. Only Gorgo's plotline in Sparta was added. The graphic novel never returns to Sparta once Leonidas leaves. The relationship between the Captain and his Son is explored a bit more, as is the relationship between the Captain's son and Stellios. The scope of the battles has also been expanded since the movie features creatures and situations that were not present in the graphic novel. Oddly enough, the movie was more of a comic book than the comic book.
  • 3:10 to Yuma was originally a short story of about ten pages, set almost entirely in a hotel room and on the walk to the train. The movie adaptations have both rather broadened the scope.
  • Ernest Hemingway's short story "The Killers" leaves a lot of questions unanswered. The 1946 Film Noir adaptation sends an unlikely detective—an insurance adjuster—to Nick Adams' bar to find out the answers... so the film writers had to come up with some.
  • The Emperor Jones added about an hour or so of prologue to show on screen all the events that had been Back Story in Eugene O'Neill's play.
  • The adaptation of Susan Orlean's narrative nonfiction book (itself expanded from article to book-length) The Orchid Thief, which is Adaptation! It morphed from the true life tale of an orchid poacher in Florida, to twin brothers, car chases, murder, Executive Meddling, Narration, every trope in the universe, Author Avatar, etc.
  • Bicentennial Man. Much to everyone's horror, it altered Asimov's reflection on the nature of what it is to be human into a Tastes Like Diabetes love story.
  • F. Scott Fitzgerald's farcical short story The Curious Case of Benjamin Button was adapted to a three-hour long epic romantic film. So much was added that much of the story's final act about Benjamin becoming a teenager and then a preteen was cut out.
  • Where the Wild Things Are is a particularly bizarre example. Practically necessary since the original story was 10 sentences long. The story is still, on the surface, a very simple tale about a child running away and playing with imaginary monster friends. But thanks to some intentionally obvious symbolism, the interactions between the monsters tells the underlying story of Max being dragged through his parents' nasty divorce.
  • Talk Radio began life as a monologue-heavy one-act play. The movie used the play as the basis of a Roman ŕ Clef Bio Pic about Alan Berg, the controversial Denver radio talk show host who was murdered by a white supremacist gang in 1984, with the play's protagonist, Barry Champlain, as a stand-in for Berg.
  • Ugetsu is an example of a well-known adaptation that greatly expanded the material of the original Tales of Moonlight and Rain, which was a collection of stories unrelated in all but theme. Two stories were spliced together, with a few references from the others, new content was added and an award winning movie was made.
  • Olive the Other Reindeer was turned by Matt Groening and Drew Barrymore from a tiny 20-page children's book into a 90-minute cartoon movie. That rocks. They even preserved the drawing style of the book. You must watch this movie at Christmas.
  • Peter Pan, the 2003 film version put a lot of emphasis on Peter and Wendy's feelings for one another, making a whole side plot that had to be resolved, cuing a Bittersweet Ending and Tear Jerker.
  • Slingblade was first a short film called "Some Folks Call It A Slingblade". Mm-hmm. The short story was reshot to serve as the first scene in the film.
  • The Scarlet Letter film adaptation adds gore, Indian raids, and a whole first act to detail the sexual affair dealt with in the rest of the film.
  • Star Trek: The Motion Picture. Adapted from a one-hour pilot that was never made, and it shows. Instead of relying on adding extra scenes and dialogue, they extended the establishing shots and ship movement sequences, possibly hoping that the audience would be too mesmerized by the special effects to get bored.
  • Night at the Museum significantly expands on the cute tale from the original children's book, adding into it a complete adventure involving an ancient Egyptian tablet.
  • The original play Glengarry Glen Ross did not feature Blake or his scene at all. Most agree the story works a lot better with the added setup.
  • The Box was originally a five-page short story called "Button, Button", written by Richard Matheson. It expanded under the hand of Richard Kelly.
  • The Sorcerer's Apprentice, a live-action film, based on a short in the anthological animated musical film, Fantasia. No Mickey, but the special effects department had a fun time doing their job. Oh and it managed to include a homage to the short. The short itself is based on Johann Wolfgang von Goethe's poem "Der Zauberlehrling" (= The Sorcerer's Apprentice).
  • Contrary to what Word of Dante might tell you, The Haunted Mansion has no real backstory. The 2003 movie responded by ascending some fanon and bringing in a few Canon Foreigners.
  • The TV-movie of Kurt Vonnegut's short story Harrison Bergeron is a truly extreme case. The story is a single five-page scene; the movie is 99 minutes long and doesn't have that scene in it.
  • At the time of writing the movie, the Super Mario Bros. series didn't have much story or defined personalities for the characters unless you counted the various cartoon series or somewhat obscure comics. Because of this, the writers of the Super Mario Bros. movie had to write the story from the angle of a prequel, exploring how the Mario Bros. became the Super Mario Bros. In the process Mario and Luigi were given an older brother/younger brother dynamic/conflict and Koopa was provided a motivation for needing the Princess.
  • Weird Science was adapted from the 1950s comic book of the same name, specifically the story "Made of the Future" in issue #5. The adaption expanded upon and modernised the premise. And given a "Brat Pack" flavour to boot.
  • Battleship is an adaptation of the game Battleship, which has no plot. The enemy fleet is aliens (with peglike missiles among their weapons) who disable radar and envelop the fleet in a shield, establishing a game board of sorts.
  • Harry Potter: Throughout the films, multiple scenes are added; sometimes they are building up on past material, sometimes they are inventing it on the fly for the film's continuity. One of the most prominent examples of the latter: the wonderfully cute and spontaneous dancing sequence between Harry and Hermione in the seventh film.
    • Another very nice Tearjerker bit of expansion is Slughorn's Francis story:
    Slughorn: I once had a fish... Francis. He was very dear to me. One afternoon, I came downstairs and... it vanished. Poof.
    Harry: Poof.
    * Some time later*
    Slughorn: It was a student who gave me Francis. One day I came down to my office, and there was a bowl with only a few inches of clear water in it. And there was a flower petal floating on the water. Before my eyes it started to sink, and just before it hit the bottom, it transformed into a wee fish. It was a beautiful piece of magic, wondrous to behold. The flower petal was from a lily. The day Francis disappeared was the day your mother... (starts crying)
    • However, the films have been forced to omit scenes involving the Dursleys, completely cut out the Quidditch match in the fourth book that led to a team mascot fight between the Leprechauns and Veela, and ignored a rather uninteresting sideplot involving Hermione trying to liberate the House Elves. The fifth book also had a chapter with Dobby appearing and a moment where Harry bellowed at Ron and Hermione "VOLDEMORT KILLED MY PARENTS!" (similar to the memetic Batman quote "MY PARENTS ARE DEAAAAD!"), but these apparently never made it to the final cut of the movie.
    • Crossing between this trope and Compressed Adaptation, many of the "new" scenes are created to convey plot points from the books in a quicker fashion. For example, the fifth movie has a scene in which Luna shows the Thestrals to Harry. This never happened in the book, but the scene covers the exposition of three separate book scenes (Luna telling Harry that she believes him, Hagrid showing Harry the Thestrals, and Luna telling Harry what happened to her mother).
    • A lot of fans tend to agree that the book version of The Philosophers Stone took way too long to reach Hogwarts (a third of the way through a pretty short book) and features quite a bit of superfluous information whereas the film spends just long enough setting the scene as Harry being an abused orphan being rescued by Wizards and then Boom! he's on the Hogwarts Express.
  • The entire plot of Gangs of New York, including the very existence of the protagonist and his Love Interest, is original to the film. The book it's based on is a sociological study of almost a century's worth of gangs. It's not really "about" any person in particular, much less the epic saga of his revenge.
  • Variation with The Hobbit: though it's a three-movie adaptation of a book that is significantly shorter than The Lord of the Rings, the latter of which got three films that trimmed a lot out of the plot to produce some still fairly long movies, Peter Jackson and team got the majority of the material from the appendices of The Lord Of The Rings and other parts explaining what else was happening while Bilbo and the dwarves journeyed to the Lonely Mountain. So they're not exactly pulling brand-new material out from thin air to lengthen the films, but rather taking inspiration from other parts of The Verse and making their own versions of events to fit with The Hobbit. Tolkien himself actually considered doing a revised and expanded version of the novel along similar lines that would serve as a more overt prequel to The Lord of the Rings, but ultimately decided against it.
    • The first film provides an expanded role for Radagast, whose presence in all of Tolkien's writings is very minor and is only mentioned by name in The Hobbit.
    • The second film greatly expands on Bilbo's time with Smaug, including Thorin and company making a valiant effort to take Smaug down while still within Erebor.
  • Rear Window took a short story titled, It Had To Be Murder, and added a love interest for Jeffries, plus subplots about the other tennants.
  • The Warren Ellis comic Red was originally a three-issue thriller about a retired CIA agent being lined up for assassination by a new administration that was horrified about what would happen if his track record was made public. The movie adaptation made it a comedy and threw in a bunch of fellow retired agents - all with the blessing of Ellis, who admitted the actual miniseries "would maybe run forty minutes, if there were a musical number."
  • Man of Steel spends more time delving into Kryptonian society, and explaining the sociopolitical and ecological situation before its destruction, than any film adaptation before it. The explanation behind Krypton's destruction is unique to this movie, as is the detail about the abandoned Kryptonian space program.
  • The Deep Blue Sea opens out a great deal from the source material. Writer-director Terence Davies fills in the main characters' back stories through flashback and dream sequences, and also expands the roles of minor characters like Mrs. Elliot the landlady. Rattigan's play focuses only on the aftermath of Hester's suicide attempt.
  • Mortadelo y Filemón: In the movies, Filemón is given a mother in the first and Mortadelo a sister in the second.
  • The infamous Doom movie replaces the one-man army with a squad of marines, changes the demons into mutants, renames the BFG the "Bio-Force Gun" and generally tramples all over the intent of the original game's plot.
  • The Wolfman (2010):
    • The 2010 version explores a very different side of the relationship between Lawrence and his father as well as the psychological aspects the 1941 version wanted to do intentionally.
    • Gwen and Lawrence's romance gets a little more foundation than in the original, mostly because this time around Gwen doesn't exactly have a living fiancé. This also does away with the creepy stalker undertones that took hold of the beginning of their relationship in the original.
    • The side effects of becoming a werewolf, such as fast healing, more acute hearing, and increased physical strength are shown.
    • Aberline is a new character, added to serve as a sort of an Anti-Villain.
    • Sir John's butler, Singh, is a new character as well.
    • Albeit very briefly, we actually get to see Lawrence's brother and mother, who only received a passing mention in the original.
    • In the extended cut, a good chunk of pre-establishment about Lawrence's father and mother are left out.
  • X-Men: Days of Future Past. The original comic book is a story of just 2 short issues. There is a Bad Future, Kitty Pryde is sent back in time to warn the X-Men to prevent a political assassination, which is stopped, Kitty returns to the future, the end. In its original form, it would be short even for an episode of an animated series. Everything else in this movie which was not mentioned in that short premise is something new.

    Literature 
  • Film novelizations inevitably require more detail to fill out the format. You should be prepared for "extra" scenes and dialogue that were cut from the shooting script, as well as inner monologues that give the adapters the chance to show off their narration skills. (Remember that in literature, Talking Is a Free Action.)
  • Flowers for Algernon was initially an award-winning short story by Daniel Keyes. Later on, he adapted it into a full-length award-winning novel.
  • The Flood is Halo: Combat Evolved adapted into book form. It adds a lot of details which were not in the original game. It also wildly alters existing characters, and introduces a truly awful slapstick pairing of an Elite and a Grunt who fail time and time again to stop the Chief (who has gone from being a quiet but professional soldier in the previous books to being a walking cliche).
  • Descent has been adapted into a trilogy of novels. The novels take the games' scant plot and turn it into several interlocking plotlines involving epic badass piloting, corporate politics made entertaining mainly by Dravis's upgrade from Corrupt Corporate Executive to full-fledged Magnificent Bastard, and a rather comical look at the plot through the aliens' note  and robots' eyes/sensors.
  • Donna VanLiere's book "The Christmas Shoes" is a detailed story that evolved from New Song's song of the same name. The book added much more to the story than the man who helped the boy buy shoes on Christmas Eve, and became the first in a series of books that continued the stories of the man and boy.
  • How to Teach Physics to Your Dog began its life as a Rabbit Hole Day blog post.
  • Nightfall by Isaac Asimov is an interesting example of adaptation expansion within a single medium. It was originally one of the most mind-bending short stories of early science fiction. He and Robert Silverberg later adapted the same story into a full length novel (for purely commercial reasons, reputedly). Most agree that the novel's only notable virtue is containing the original, in edited form, as a chapter.
    • Similarly, Asimov's novella Bicentennial Man was expanded by Silverberg into The Positronic Man, a full-length novel, which was later adapted into the film Bicentennial Man, mentioned above.
  • Ender’s Game by Orson Scott Card began its life as a short story before being expanded into a (much more famous) novel.
    • Specifically, Card never intended the short story to be anything more than that. His real desire was to write Speaker for the Dead, a book about how it's not always right to Never Speak Ill of the Dead. He had much of the storyline down but had trouble coming up with a convincing protagonist. A friend of his suggested using Ender from the short story. Card liked the idea but didn't want to spend a third of the book introducing him. His final decision was to expand the short story into a novel he always intended to be a prequel. While Speaker for the Dead is quite well-known in its own right, it will never be as popular as Ender's Game.
  • Wild Things by Dave Eggers is the novel adaptation of Where the Wild Things Are. It was written because of the film.
  • Agatha H. and the Airship City and, more, Agatha H. and the Clockwork Princess contain material not included in the Girl Genius comics.
  • The novelisations of Doctor Who television stories often expand upon them. Most famously, the novel of Remembrance of the Daleks provided details about the Special Weapons Dalek, as well as the triumvirate of Rassilon, Omega, and the Other. Many fans consider it the predecessor to the Doctor Who New Adventures.
    • This happens especially in the case of scripts considered weak for not having a lot going on in them. For instance, the novelisation of "The Leisure Hive" has a large section pastiching the The Hitchhiker's Guide to the Galaxy Cutaway Gags, going into great detail about the customs of the ridiculous and genocidal Proud Warrior Race civilisations that had created the Hive - little of which has any bearing on the plot, but all of which is funny. "The Twin Dilemma" goes into detail about how regeneration works (some of which was well-written enough to be recycled for the Fourth Doctor-narrated audio reconstruction of "The Power of the Daleks"), and adds a squickly amusing sequence about a Brainless Beauty Time Lord who lost everything upon regenerating into a plain body, and his attempts to restore his status by repeatedly killing himself and regenerating get worse and worse - just to add a little colour. The novelisation of "The Space Museum", a comedy story which was heavily edited to remove a lot of the jokes, was rewritten to put most of the jokes back in.
  • The novelization of Flash Gordon massively expands upon the characters, giving Flash a childhood with an abusive father and Dale Arden a backstory in which her uncle (or another, unspecified older man) seduced and raped her, which was neatly tied in with Ming the Merciless's treatment of her.
  • Warm Bodies began as a short story titled I Am a Zombie Filled With Love before being extended into a full-length novel. The story is still posted on the author's blog here.
  • Ward Moore's Bring the Jubilee was first published as a novella and later expanded to a full novel.
  • The original Mulan was a short ballad that summarizes the story of a girl who went to war and became a valiant soldier, surprising her comrades when they visited her home and discovered her true gender. Since the original is just a summary, a lot of details would need to be made up whenever the tale gets adapted to animation, film, opera, or TV.
  • The books of The Hitchhiker's Guide to the Galaxy add a number of scenes and whole plotlines that weren't in the radio plays. This is entirely by design though as Douglas Adams intended for all versions of the storyline to be significantly different in some way from each by addition or removal of plotlines, characters and scenes.
  • The first Mortal Instruments film adds multiple epic fight scenes, turning what was originally a romantic plot with action elements into the reverse. This has the effect of making many characters more likeable and turning Clary's mother into an Action Mom. (In the original book, despite being a former Shadowhunter, her combat skills were largely an Informed Ability.)
  • The novelizations of the Doom series of video games starts out following the plot of the first two games fairly well, although they add a female marine for the hero to talk to. Then the third and fourth books continue to expand the series and take it to some truly bizarre places, like revealing that the demons are aliens involved in an endless war without another faction of aliens, none of whom can die, and throwing in some truly out-of-place nonsense about Mormons with stockpiles of guns and ammo for the apocalypse.
  • Bruce Coville has done this with three of his own short stories.
    • Every book in his Bruce Coville's Book Of... anthology series begins with one of his own stories. The first of these, My Little Brother Is a Monster (published in 1993), was expanded and adapted into the full-length book Always October in 2012.
    • The seventh through eleventh volumes (published in 1996 and 1997) began with the five-part Serial Novel The Monsters of Morley Manor, which was expanded and modified into its own book of the same title, released in 2003.
    • Clean As a Whistle, first published in the 1994 anthology Oddly Enough, has been expanded into a full-length novel, Diary of a Mad Brownie, slated for release in 2015.

    Live-Action TV 
  • The Worst Witch has gone through this several times over. The TV movie padded itself with sequences including a "scaring contest" and an early sequence with Punk Charlotte Rae, and the later series would pad the same adaptation by using the "Ethel's a pig" sequence as the basis for an episode (introducing a whole new character in Mr Blossom's nephew Charlie), while adding in a climactic chase through the school grounds. Bizarrely, it's otherwise managed to incorporate adaptations of the next three books as-is (although The Worst Witch Strikes Again was made into two separate episodes).

    Many of the episodes in the first two series have new plots not taken from the books, or expanded from small references in the books (e.g the main plot of first episode "The Battle of the Broomsticks" is based around a line mentioning that Mildred's Broom got broken after she flew it into some bins on her first day). The third series is entirely new material, as at that time the books only went up to the second year. Since then two books have come out covering Mildred's third year which are different to the third series.
  • Anthology horror series like The Twilight Zone often have episodes based on short stories which expand on the original stories considerably.
    • And, in fact, the show itself got this treatment when some individual episodes were adapted into short graphic novels.
  • The Story Of Tracy Beaker, which had her repeatedly adopted by Cam/sent back to the Dumping Ground over the course of five seasons, along with lots of new material. (In the book, her adoption by Cam is the Happy Ending, and the later books in the series are about her living with Cam.)
  • Pretty Guardian Sailor Moon adapted only the first arc of the manga, while adding in various new elements such as Sailor Luna, Zoicite's loyalty to Endymion, "Nephikichi", Darkury (in addition to Mamoru also turning evil), a teenage clone of Queen Beryl, and different Character Development for many of the characters, particularly Sailor Venus.
  • The original British version of The Office ran 14 episodes and focuses on four main characters. The American adaptation has run over 100 episodes and features a much larger cast.
  • The Being Human (Remake) has far more per season than the original, with more plots added alongside the original's. This happens often - the main reason British shows are remade rather than aired straight is that American television has more episodes per season. (Sci Fi Channel seasons are short by American standards and Being Human has gone up from six to eight episodes per season, so it's no longer a huge example of this. W Ith those other shows, we're talking a move from a 6-ep UK season to a 22-ep US one.)
  • Gossip Girl, based on an 11 (eventually 12 + spinoff) novel series by Cecily von Ziegesar, has been expanded to a 3+ season series on The CW.
  • V: Originally a two-part miniseries, now turned into a full fledged series.
  • Buffy the Vampire Slayer was originally a movie, before becoming a seven-season TV series. Specifically, the show depicts what (supposedly) happened after the movie, when the Summers family moved from L.A. to a small California town.
    • Then, the series spills over into a comic adaption after concluding its TV run.
  • Similar to the above, Angel, another Joss Whedon work, has a Bolivian Army Ending, but it gets a comic expansion to help sort out the loose ends.
  • Shelley Duvall's Faerie Tale Theatre expanded on the story of Goldilocks and the Three Bears.
  • When $#*! My Dad Says was announced as an upcoming TV series, the Twitter feed it was based on had only 67 tweets. It's safe to say the show contains more words than that per episode.
  • In The Dead Zone TV series, the Big Bad of the book and movie is still around, but rather than being obsessed with him, our hero is too busy solving the Mystery of the Week to worry much about The End of the World as We Know It.
  • The first season of Mighty Morphin' Power Rangers ended up trimming the 50 episodes of Kyoryu Sentai Zyuranger that Saban picked up from Toei into 40 episodes, with the "Doomsday" two-parter originally intended to be the finale. However, when the show proved to be a bigger success than expected, Saban had no choice but to contract Toei to shoot additional footage specifically for MMPR, since they were not ready to adapt the Super Sentai franchise's tradition of changing the team's costumes and robots every year. For the remaining twenty episodes of Season 1 and the first thirteen episodes of Season 2, MMPR used completely new action footage which featured the original Zyuranger costumes and robots with all new monsters that were not from any prior Sentai show.
  • The Pretty Little Liars TV series is doing this, adding plots for characters that weren't major in the book, and adding characters as love interests, probably because the book series only had 8 novels and most of the plot involved them trying to find A.
  • Jeeves and Wooster added plenty of extra material to the short stories being adapted, including events that Bertie wouldn't have seen (and therefore couldn't have narrated).
  • Due to the POV-centred nature of the books, Game of Thrones invented or expanded on scenes featuring major characters who don't have POVs in the books.
  • NBC's Hannibal expands on the flashbacks in the books to show Hannibal Lecter before he was caught and imprisoned.
    • Bryan Fuller's plan for the series is to have three seasons detailing the events before the books, one season for each of the books (Red Dragon, Silence of the Lambs and Hannibal) and a final "epilogue" season. In other words, Fuller is essentially creating four extra novels.
  • Les Revenants, despite having fewer people coming back to life than the movie it's based on, has more time to develop both the plot and the characters.
  • Elementary expands Sherlock Holmes' addiction to an extremely relevant arc in the first season that is the premise of the show and changes Watson role from a mere foil/sideckik to Deuteragonist.
  • From Dusk Till Dawn follows the plot of the movie relatively faithfully, but at a much slower pace. At the same time it adds new characters and provides a backstory absent from the original film.

    Music 
  • In general, many bands will have at least one or two songs in their setlist be quite a bit longer than the studio version when played live. Jam bands do this as a matter of course, but usually there will be at least one song where a solo section is extended to give either the guitarist, another instrumentalist, or the whole band room to improvise.
  • When Counting Crows covered Joni Mitchell's "Big Yellow Taxi", they added a couple of verses, giving the song an environmental message that wasn't really present in the original.
  • The Red Hot Chili Peppers cover of "Love Rollercoaster" adds a rap verse that was not in the original song.
  • The third movements of Gustav Mahler's second and third symphonies are greatly expanded instrumental versions of the Lieder "Des Antonius von Padua Fischpredigt" and "Ablösung im Sommer."
  • Yes's cover of Simonand Garfunkel's "America"(originally recorded for a record company sampler and available on the remaster of Fragile), due to having multiple extended instrumental passages, changed a 4-minute folk-pop song into a 10-minute progressive rock epic

    Newspaper Comics 
  • The Mickey Mouse newspaper strip started out with an adaptation of the first Mickey Mouse short produced, Plane Crazy, but after Minnie parachutes off the plane, Mickey runs into a storm and finds himself crash landed on an island filled with pirates, and the strip goes on from there...

    Pinball 
  • Stern Pinball's Batman greatly expanded the role of Scarecrow, elevating him from a mere cameo in the film to a near-equal for the Joker.

    Radio 
  • While it also had some Adaptation Distillation, the Radio Drama of Final Fantasy Tactics Advance also has an Adaptation Expansion of the game, such has the appearance of Nono's airship and the event when Ritz, Mewt, and Doned's arrival in Ivalice is shown. Also, there are new character, whose name is "Moogle Knight" and "Madam Kiri".
  • The Audio Adaptations of Alex and Clare In The Community naturally have to create plots out of whole cloth, to convert a three panel gag strip into a half-hour sitcom.
  • The Star Wars Radio Dramas included several scenes that were either cut from the films or entirely new.
    • The A New Hope play starts as early as a few months before the movie. We get Leia using the Tantive IV to smuggle medical supplies to Rebel forces on Ralltiir, learning about the Death Star plans and acquiring them from Rebels on Toprawa, and Luke watching the battle between Tantive IV and the ISD Devastator (a cut scene that had a couple frames from it shown in one of the Visual Dictionaries a decade and a half later).
    • The Empire Strikes Back showed the Battle of Derra IV, which was alluded to in several later EU materials including the first four books of the X-Wing Series. We also got a conversation between Han and Luke after he got the storm shelter put up in the Hoth wastes. It also explained Lando faking punching Han when they first meet as Lando wanting to see if Han still had his old reflexes.
    • Return of the Jedi included Luke constructing his new lightsaber. Being that it was performed after the current EU got into full swing, we also got a Call Forward to The Thrawn Trilogy in the form of a conversation between C-3PO and an undercover Mara Jade.

    Roleplay 
  • Dino Attack RPG is a massive Adaptation Expansion of LEGO Dino Attack. The original LEGO Dino Attack line had a very simple plot: mutant dinosaurs are attacking the city, and four guys are trying to stop them. However, the Dino Attack RPG revealed that this has happened all over the world, bringing in other LEGO-themed locations and showing the impact that these events have had on them. The Dino Attack Team of the original theme consisted of four men, but the RPG has shown that it is actually much larger and there are women helping out. It's also explained what happened to the citizens of the various places that have been invaded (an issue completely ignored in the original line), and there is even some background as to why the heck all this is happening in the first place.

    Theatre 
  • The stage versions of Disney's animated features can be up to an hour longer than their source material, almost entirely through adding new songs. Characters who did not sing in the movie get songs, sometimes more than one; characters who did sing... sing even more. For instance, Gaston bribing the asylum keeper in Beauty and the Beast? That's the basis for a song. Eric dancing with Ariel in The Little Mermaid? That's the basis for a song.
    • The stage musical of Aladdin includes three brand new numbers: "A Million Miles Away", "Somebody's Got Your Back", and "Wedding Day Suite"(which incorporates Jafar's reprise of "Prince Ali"), in addition to reinstating the previously cut songs "Why Me", "Proud of Your Boy", "Call Me a Princess", "Babkak, Omar, Aladdin, Kassim", and "High Adventure", and the formerly-deleted characters who sing the latter two, now serving as the story's narrators.
  • Two for the Seesaw had a cast of two and required no more than two apartment settings on either side of a split stage. When it was adapted into the musical Seesaw, half a dozen minor characters and many additional settings were added. The result was not a hit.
  • Choreographer Jerome Robbins and composer Leonard Bernstein created a 20-minute ballet called Fancy Free, and used it as the basis for their first Broadway musical, On the Town. The adaptation was loose enough that no music was recycled.
  • Most of the second act of The Nutcracker is original to Tchaikovsky.
  • All of the Gilbert and Sullivan works are expansions on short stories, poems, and other of W. S. Gilbert's writings. Of these, the poems ("The Bab Ballads" have also remained fairly popular, especially in Britain, but copyright claims by the magazines he published meant his only attempt to publish a collection of stories ended up getting pulled from the market.
  • The Musical of Vanities added a Distant Finale where the characters reunite in their home town in The Eighties, remedying the rather anticlimactic (and rather unhappy) ending of the original. Also, in the off-Broadway production, the story is told from a How We Got Here point of view, rather than directly following the girls through the ages.
  • Sweeney Todd: The Demon Barber of Fleet Street follows the Christopher Bond version of the Demon Barber, giving him realistic motives instead of just being a one-dimensional bad guy.
  • When Shakespeare turned Thomas Lodge's novella Rosalynde into the play As You Like It, he added several characters of his own (most notably Jaques, Touchstone and Audrey) and had them recur frequently as comedy relief.
  • The various stage adaptations of Chess all expand upon the Concept Album. Some additions that are particularly notable:
    • The original London production gave the chess players names, introduced characters like CIA agent Walter, and added songs like "Interview" and "The Soviet Machine."
    • The original Broadway production added lots of dialogue scenes and songs like "How Many Women" and "Someone Else's Story."
    • The original Swedish production gave a new song to Svetlana and recycled a cut melody to give to Molokov.

    Theme Parks 

    Video Games 
  • The Adventure Game of I Have No Mouth and I Must Scream, which was written by the original author, Harlan Ellison, gave each of the five protagonists extensive backstories. This included Nimdok, who in the short story, never even revealed his real name. (He still doesn't, incidentally.) The player also has the chance to improve on the Downer Ending of the original story by guiding the protagonists through specific tests set up by the evil computer.

    The game's designer, David Sears, asked Ellison, during development, why did this evil computer choose these particular five people to torture. The question fired Ellison's imagination and thus the characters received more development in the game. Despite that the game has its flaws and isn't perfect, this is a very good way to show that Tropes Are Not Bad.
  • The backstory of the original Final Fantasy I is heavily expanded on to tie into the backstory of Dissidia: Final Fantasy, to the point that Dissidia almost gives more plot for the first game than the first game itself did.
  • S.T.A.L.K.E.R. is a large, 20+ hour computer game loosely based around the movie by the same name, a 163 minute minimalistic presentation emphasizing long takes and simple scenes, which was itself based around a short novel called Roadside Picnic. C-consciousness, the various factions, and exist to pad the story in the video game.
  • Video games based on movies, especially in recent years, will inevitably end up doing this if they don't want their game to be shorter than the movie. A good example is Kung Fu Panda, which adds in a ton of levels involving fighting various factions that have randomly chosen to attack rather than, y'know, train.
    • This tradition goes all the way back to the good ole days, where the hero from a movie (whether or not the movie is based on existing material) will usually have to fight a bunch of henchmen or even freakish oddities that not only didn't appear in the film, but would have no place in it. There are many examples with the Back to the Future NES games probably being the most egregious.
  • Games based on superhero will often try to make the playing field more even, so a character possessing titanic strength in the comics will be just somewhat stronger than a regular guy (e.g. Superman and Batman) and some characters will be possessed of powers that just never existed in the comics, usually including attacks that clear the screen of all the bad guys.
  • The Warriors serves as a prequel to the movie, explaining the characters' backstories. The final missions was actually the movie's story, plus an extra epilogue.
  • The Sega CD version of Snatcher features an extended opening sequences that adapts the prologue comic from the manual which depicts Gillian and Jaime's last conversation before Gillian begins first night as a JUNKER agent. It also features an ending that reveals what happened to Mika and Katrina before Gillian leaves to destroy the Snatchers' main base at Russia.
  • The Turok franchise. In the original comics, a pair of Indians get stuck in a valley full of Dinosaurs. That's it. In the video games, 'Turok' is a title given to the eldest child in the 'Fireseed' family, assigned to protect the portal between Earth and another dimension where 'Time has no meaning'. Tal'Set Fireseed (Turok: Dinosaur Hunter), Joshua Fireseed (Turok 2: Seeds of Evil), and Danielle Fireseed (Turok 3: Shadows of Oblivion) take up the mantle and venture to the Lost Lands, stopping Omnicidal Maniacs from taking it over and hunting down the Bio-mechanical Dinosaurs, Demons and Aliens that have spilled through into our world. Read that over and look at how we got from "Two Indians in Prehistoric Valley" to that Video Game Plot.
  • The Godfather: The Game expands on some parts the movie skims over. For example, in the movie, Bruno Tattaglia's whacking is given just an offhand mention. It gets expanded into a plotline mission in the game.
  • Super Robot Wars occasionally does this, particularly characters who are Spared by the Adaptation, be they heroic or villainous, such as Master Asia in Super Robot Wars Reversal, Fonse Kagatie in Shin Super Robot Wars, Tekkaman Rapier and Jonathan Glenn in Super Robot Wars Judgment.
    • One of the more prominent examples is a manga for Super Robot Wars Alpha Gaiden, which involves Time Travel. The story showcases what happens during the timespan between the first game and Alpha Gaiden (which is only referred in one or two lines in the game), some background on the Machinery Children, expansions on battles and what exactly happened to the cast from Alpha that is left behind by those who are transported to the Bad Future.
    • Super Robot Wars Original Generation will generally expand on the cast by giving them more detailed origins. In Alpha 2, Ibis Douglas' past is hinted at, but never explained in detail. Original Generation 2 showcases her beginnings as a rookie pilot who dreams of heading off into space and being chosen for Project Terrestrial Dream. Often, Adaptation Distillation is also in the works: while her story from Alpha 2 is repeated in the Second Original Generation, it's executed differently - Ibis does not accidentally kill her mentor in a freak training accident; he dies off-screen from illness.
  • The Star Wars Battlefront games add battles that were implied or logical extensions of the films, such as the theft of the Death Star plans and the liberation of Cloud City.
  • Spider-Man 2 is based upon the movie, but adds loads of characters and villains that would never have made it into the film due to time (e.g. Black Cat, Shocker, Rhino). In this case, fans liked it.
    • The first instalment did this as well, probably the most noteworthy was that the burglar who shot uncle Ben turned out the be the gangleader of a gang called the Skulls so you had to go and beat them up first before you could find out where the shooter was.
  • All of the Lego Adaptation Games like to do this.
  • In Golden Eye 1997, several levels take place in the nine-year gap between the opening sequence and the proper beginning of the film. This includes Bond visiting a nuclear silo (and seeing Ouromov) and visiting the incomplete Severnaya bunker. Later on, near the end of the game, Bond also pursues Alec Trevelyan through a series of flooded caverns as the villain runs towards the control centre antenna.
  • In the N64 adaptation of The World Is Not Enough, there was a subway sequence not featured in the film (set between the boat chase and "Cigar Girl"'s suicide), among other additions.
  • Like the film, the video game of The Haunted Mansion had to build a brand new backstory for the mansion, including a backstory for Madame Leota.
  • In The Lord of the Rings Online Turbine has been forced to do this in order to make an MMO out of Tolkien's work. More specifically it gives more back story to the events taking place outside of The Fellowship's journey. Most of these take place immediately before and during the events depicted in Lord of the Rings, but they occasionally give flashbacks taking place well before.
    • A SNES version of Lord of the Rings had lots of this as well. First you had to assemble the party of four Hobbits (Pippin and Merrin seperate), find old Gaffer's glasses in a cave west to of the Shire, otherwise Samgee wouldn't join. Then several hours later, you had to find 12 talismen otherwise you couldn't get through some tombs that were never in the book... This game was So Bad Its Horrible.
  • The console ports of Return to Castle Wolfenstein have a prologue mission set in Egypt, not found in the PC version.
  • The SNES port of Prince of Persia added many new levels and traps, as well as boss battles.
  • The PS2 version of Splinter Cell has an additional mission at a nuclear power plant, to make up for the system's graphical limitations.
  • Iron Tank, the NES adaptation of SNK's TNK III, was greatly expanded from its arcade counterpart, with branching paths, bosses, new enemies and weapons, and plenty of Engrish dialogue ("Watch out, use radar, gigantic enemy objects up ahead!"). In fact, most NES adaptations of arcade games did this, making up for the severe technical shortcomings of the time with additional content. Sometimes they ended up being completely different from their predecessors, and sometimes even surpassed the original in gamers' memories (Bionic Commando, Ninja Gaiden, and Rygar being prime examples of the latter).
  • The Pitfall arcade game, strangely enough produced by Sega, featured enhanced versions of the overworld of the first Pitfall and the underworld of the second, and added Minecart Madness and Temple of Doom stages. The Atari 800 computer version of Pitfall II was also expanded.
  • Areas 4 and 8 in the SMS version of Wonder Boy were exclusive to that version, and featured entirely new environments and enemies. The boss levels of each were set in Bubbly Clouds and featured tougher bosses that threw lightning and had different theme music than the rest. The sequel's SMS port also had an extra stage set in a Ghost Town.
  • The PC Engine CD version of Raiden, in addition to the obligatory Redbook music, had two additional levels with their own music pieces. Much later, the Xbox 360 port of Raiden IV also had two exclusive stages, somewhat alleviating the short length of the original arcade game.
  • Debatable with Parasite Eve; it is an adaptation of a franchise that started out as a movie and a novel, but at the same time, acts more as a sequel/continuation of the original story where it happens in a new location, this time New York.
  • realMyst adds a new Age to the original Myst, plus additional backstory tying it into the wider story of Atrus's family and people.
  • Hudson Soft's Challenger for the Famicom took most of the gameplay and the English title of Stop The Express and made them the first stage of an otherwise original Action Adventure game.
  • The SNES port of Sonic Blast Man is a standard Beat 'em Up in which the bonus game in between levels is the actual arcade game, with a much lower chance of injuring yourself.
  • Rockman 4 Minus Infinity is a Rom Hack of Mega Man 4. It still has the same plot as the original, but the levels have been expanded, there are new minibosses and the powers obtained from the Masters have changed.
  • Puella Magi Madoka Magica Portable is designed with multiple routes diverging from how the story originally unfolded. It also depicts the witch forms of Mami, Kyoko, and Homura.
  • Despite being based on three movies in total, The Matrix: Path of Neo still manages to add in more material for the game. Examples include more detail going into Neo's training, Neo being trapped on a stray code resembling a subway and facing down a SWAT team right after the famous one-on-one fight with Agent Smith, and Neo rescuing more inhabitants of the Matrix in between the events of the first and second films.
    • There is also a minor branching path in that you can choose to follow Morpheus' instructions to escape the agents by climbing outside of Neo's workplace building.
  • The Sega Genesis version of Wardner, titled Wardner no Mori SPECIAL in Japan, expands Stage 4 and divides it in half, and lengthens the final stage with a Boss Rush and several vertical shafts.
  • The NES port of Contra expanded the fifth and final level of the Arcade Game into a four-level sequence. Some of the previous levels were also lengthened. Super C was more drastic, replacing the arcade's fourth stage with four completely new levels, as well as changing the order of or replacing certain bosses.

    Webcomics 
  • To Prevent World Peace was originally intended as a short story about magical girl villains. It, er, blossomed out of control. At last count, the author planned for sixteen chapters and was thinking of creating other short stories around the same characters.
  • Knights Of Buena Vista adds extra scenes to Frozen, such as a battle against pirates and Anna thwarting robbers on the street.

     Web Original 

    Western Animation 
  • Coming back to How the Grinch Stole Christmas!, If you read the original book, you'll notice that it lacks Seuss's whimsical naming conventions. According to legend, he wrote it on a dare that he not use his signature made-up words. In the cartoon, with the bet no longer an issue, entire verses are added with the names in full effect.
  • The cartoon adaptation of The Bear gives backstory as to how he ended up in the girl's town in the first place (followed a bird, got stuck on an ice flow and taken to a zoo by a cargo ship), along with sending him back to the Arctic at the end. It also gives him a reason for visiting the girl, to return the teddy bear she dropped. In the book, he just comes and goes from the house and there wasn't a sequence with a bear made out of stars.
  • While the second Teenage Mutant Ninja Turtles cartoon's adaptations of comic book stories are usually paced to correspond to their source material—one issue will almost always translate into one episode—two exceptions stand out. The first is the arc composed by the episodes "The Search for Splinter", "Turtles in Space", and "Secret Origins" multi-parters, which take five issues' worth of material and expands it into ten, while the second is its adaptation of "Sons of the Silent Age", which, after completing a mostly faithful adaptation of the comic book by the fifteen-minute mark, fills out the rest of the episode with a plot about preventing an uncared-for nuclear power plant from spilling radioactive material into the river which was the setting for the story.
  • Fox's Peter Pan & the Pirates massively expanded on the mythos of Peter Pan - and how. All the characters - Peter, Wendy, John, Michael, all the Lost Boys, Tinker Bell, even Jane, Hook and *all* his pirates, Big Chief Little Panther and Tiger Lily - are all greatly fleshed out in terms of characterisation, and all get a Day in the Limelight at one time or another, as well as some extra characters who were made up just for the show, like Hook's brother Captain Patch, Tiger Lily's brother Hard-To-Hit, the fairies and their King and Queen, and many others. It was also considered to be rather an Adaptation Distillation too.
    • Same as the above goes for Peter Pan No Bouken, again with all the characters occasionally getting the focus on them for at least an episode each, plus a bunch of new characters - most importantly with Princess Luna and her evil grandmother Sinistra.
  • The Batman: The Brave and the Bold episode "Night of The Batmen!" is based on issue #13 of the show's tie-in comic. The writers had to add a lot of padding to stretch the story out into a 22-minute TV episode.
  • The whole point of Star Wars: The Clone Wars. It's designed to help bridge the three-year gap between the second and third films- and redeem the excessive Idiot Ball escapades they're notorious for. So far, there's been an 2-D adaption directed by Genndy Tartakovsky, which reveals that General Grievous is prone to coughing and wheezing because Mace Windu was forced to crumple his chestplates in and severly maimed his delicate lungs. This adaption was followed up by a 3-D animated series, expanding even deeper into the world of Star Wars.
  • The original Thundercats cartoon had an open-ended conclusion that left us hanging on an epic battle between Lion-O and Mumm-Ra. However, Wildstorm made several faithful comics to profoundly extend and conclude the story- with a few non-canon adventure comics thrown in for good measure.
  • Superman vs. the Elite stretches out a single-issue comic book story into a 76 minute film. The writers compensated for the short length of the original comic by adding in a Troubled Backstory Flashback for Manchester Black and a subplot concerning Atomic Skull.
  • The children's book The Little Engine That Could has had it done twice; once as a 30-minute movie in 1991, then as a full-length CGI film in 2011, with an All-Star Cast. The first was more true to the book than the second.
  • The basic plot of the original Year Without A Santa Claus poem is that Santa doesn't feel like delivering presents this year, the kids gets whiny about it, but one kid named Iggy Thistlewhite (originally Heppelwhite) tells his classmates that Christmas is about giving, the kids take his word to heart and give presents to Santa, and that cheers him up and gets him to go on his annual trek. Rankin/Bass' version added in the subplots about people not caring about Christmas anymore, and Mrs. Claus sending Jingle and Jangle to look for Christmas cheer, and of course, the Miser Brothers. In fact, Iggy Thistlewhite is the only character in the special who originates from the poem (besides the standard Santa characters, of course).

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