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[[quoteright:350:[[Manga/ChronoCrusade http://static.tvtropes.org/pmwiki/pub/images/chrono_crusade_overtaken_1252.jpg]]]]
[[caption-width-right:350:"How'd you get here so fast, Anime-san?"]]

-> '''Mokuba:''' We appear to be locked on course with a giant ocean fortress directly beneath us!
-> '''Yugi:''' That's weird. I don't remember any of this happening in the manga.
-->-- ''WebVideo/YuGiOhTheAbridgedSeries''

Many {{anime}} are based on {{manga}}, or Japanese [[ComicBookTropes comics]]. While simply making the anime into a completely AlternateContinuity is common (especially if the manga has NoEnding), more often the anime at least tries to follow the major plot points of the original manga.

However, if a series is especially popular (and/or marketable), its anime version will begin before the manga even ends. Because of medium conventions, it takes longer for events to unfold in manga than it does in anime -- the average conversion being roughly 2 manga chapters to make 1 anime episode -- and this often means that before long an anime will simply run out of source material. While some manga series are published weekly (e.g., ''Shonen Magazine''/''Sunday''/''Jump'', etc), others are published on a monthly schedule (e.g., ''Nakayoshi'', ''Shonen Ace''). However, most anime are aired weekly, which only makes it worse, especially for manga that have just started recently. The producers of the anime are then in a fix: they can't just wait for the creator to produce more material because they have a broadcast schedule to meet. Japanese shows are almost always broadcast solely as original episodes without re-runs. No new episodes is akin to being cancelled. This is something that is frequently [[LostInTranslation lost in translation]] outside of Japan since, unlike Western shows, they don't schedule production in the form of "seasons" with breaks written into the schedule. They just keep going and going and going until they finish/get cancelled, or stop at a predesignated point. This is also why lots of anime are only 12/13 or 24/26 episodes long, because that's all they were scheduled for, regardless of popularity.

Unless they work in close tandem with the writer of the original manga – which is very rare since those writers are usually busy with the manga as is – the people in charge of the anime will have to start making things up on their own, and create a unique plotline continuing from the point they caught up with the manga to base things on.

Unfortunately, unpopular or unwelcome [[FillerArc filler arcs]] and episodes may often be {{Misblamed}} as being the fault of the original creators, when in reality the creators almost always have nothing to do with the filler plot. Some fillers that were better received by fans are often cited as being opportunities to develop lesser characters (this helps a lot with anime that have a cast size near [[LoadsAndLoadsOfCharacters the size of the production staff]]).

Another option could easily be to just [[{{Padding}} pad the episodes out]] and [[InactionSequence slow the story down]]. This was common in the ''Manga/DragonBall'' series, which unfortunately [[LostInTranslation meant that many people thought the manga was exactly the same]] or that [[{{Misblamed}} Akira Toriyama's writing was at fault, when in reality the pace of the anime was out of his hands]].

Most writers just choose to do a GeckoEnding instead.

See also WackyWaysideTribe.


[[folder: Manga-to-Anime Examples]]
* ''Manga/AiYoriAoshi''. While ''Ai Yori Aoshi'' and ''Ai Yori Aoshi Enishi'' follow the manga for the most part pretty faithfully, its ending [[LeftHanging accomplishes nothing story wise]].
* The anime for ''Manga/AttackOnTitan'' only had 25 episodes, because the manga wasn't finished yet. It also caught up way too fast with the source material, leaving out less than 15 chapters of content. Because of this, there is a long delay in the production of the 2nd anime to allow for story developments to catch up and to avoid this happening to such an extent.
* ''Manga/{{Berserk}}'' is a monthly ([[ScheduleSlip mostly]]) series that had already run for several years by the time its animated TV adaptation came out in 1997. That anime was a single season that covered only one arc of the manga (10 volumes worth of material – nowadays that's less than a third of the total story). Rather than a GeckoEnding, it stops at a large CliffHanger (technically it's a [[WholeEpisodeFlashback whole series flashback]] that doesn't tell the viewer how we got to where we started). It's been described as "the world's most elaborate ad for the manga" for the way it drives viewers desperate for resolution back to the original. TheNewTens' film trilogy adaptation re-adapts that same plot arc, ending only very slightly further on in the plot – roughly one chapter's worth, which fortunately is enough to ''finally'' resolve that cliffhanger. The creators of the trilogy have expressed the desire to continue adapting the manga story up through the ([[LongRunner currently unwritten]]) ending, with a new TV series. Due to Kentaro Miura's notorious {{Schedule Slip}}page, if they were to continue releasing content at the same pace as the Golden Age trilogy, they could easily find themselves Overtaking the Manga yet again.
* Nine episodes of''Manga/BlackButler'' are adapted from the manga, the rest of the first and second seasons are entirely original and feature their own GeckoEnding.
** However, the third season ''Book of Circus'' and its accompanying OVA ''Book of Murder'' are direct adaptations of two connecting arcs in the manga, presented as mid-sequels that take place before the anime goes off the rails.
* ''Manga/{{Bleach}}'' created the Bount, Shusuke Amagai, Zanpakuto Tales, Beast Swords, and Division 13 Incursion arcs due to Creator/TiteKubo's legendarily slow pacing. Sometimes the filler arcs slid neatly in between canon arcs but at other times, they occurred in the middle of canon arcs, resulting in comedy segments where the canon characters behaved like actors taking set breaks. Eventually Pierrot decided to cut their losses and end the anime altogether while the final arc ran in the manga. Whether it'll get an adaptation or not remains to be seen.
* This appears to be happening to ''Manga/BlueExorcist''. It followed the manga pretty well up until the very first filler episode, after which they both went in two entirely different directions. Some fans are not pleased.
** Season two, however, goes back to following the manga, and makes the anime-exclusive parts of season one (certain scenes from episodes 16-17, and everything after) CanonDiscontinuity.
* The ''Manga/{{Bokurano}}'' anime was completed before the manga was, resulting in the last half of the anime having absolutely no connection or resemblance to the equivalent in the manga, with the exception of one plot twist that the manga author might have decided to use after the anime came up with it.
* ''Manga/ACertainScientificRailgun'' has many filler arcs because of its manga's slow pace. Fortunately, the author Creator/KazumaKamachi had some say in these arcs, and they were mostly used to tie up the previous arcs' loose ends that the manga missed.
* In ''Manga/ChronoCrusade'', the anime took a radically different direction from the manga in the last third of the series (they ended around the same time). Whether or not this is necessarily a bad thing is up to you.
** To simplify it, the anime plays up the religious symbolism ''way'' more than the manga does, and the natures of certain characters are different. Even the ForegoneConclusion plays out differently.
* The anime version of ''Manga/CodeBreaker'' is a different case. With the manga released back in 2003, the anime version, which was released on 2012, only has ''12 episodes'' and only focused on the Hitomi Arc. What's even worse is that anime brought in three characters (Yuuki, Rui, and Yukihina) who aren't supposed to appear after the Hitomi Arc.
* ''Manga/DailyLivesOfHighSchoolBoys'', despite a SliceOfLife comedy, got this treatment due to two factors: (1) the manga's SketchComedy format means a whole volume of manga can only produce 3 episodes of anime without padding, and (2) Creator/{{Sunrise}} did not pad. The anime practically ran out of original material at the last episode; in which they asked the mangaka to draw two skits for the anime (''High School Boys and Assertiveness'' and ''High School Boys and Getting Hit On'') and made two original skits (''High School Boys and ...'' and the faux ''High School Girls are Funky--TheMovie'' trailer). Of course, being a ongoing SliceOfLife manga without much of a plot, the anime simply ended the season by using BookEnds.
* ''Manga/DragonBall'' has several notable points that allowed the anime to capitalize on large stretches of time the manga doesn't cover and write its own original stories:
** The very first occurrence of a filler sequence is after Goku departs to search for the Four Star Ball after the 21st World Martial Arts Tournament, where Goku encounters Colonel Silver early, fights the Pilaf Gang again and spends an episode or two with Chi Chi and the Ox King (all at the same time!).
** Easily the most common excuse for filler sequences are manga time skips where characters train and prepare for an upcoming battle. It would be used in ''Anime/DragonBall'' where characters train for the 22nd and 23rd Tournaments, and in ''Anime/DragonBallZ'' it appears during the build-up to the arrival of Vegeta and Nappa, the arrival of the Androids and the wait until the Cell Games. These episodes typically feature characters gaining new fighting insight, introduce some characters slightly early, [[ArsonMurderAndJaywalking or have them take driving lessons]].
** The Garlic Jr. saga occurs after the conclusion of the Namek storyline. This is particularly significant as the conflict with Frieza was ''right up'' against the manga by only a couple of chapters, with the episode of Goku transforming into a Super Saiyan being the closest the anime ever got to overtaking the source material, necessitating the filler to give some breathing room.
** The last significant filler sequence is the Other World Tournament that occurs after Cell is defeated but before the appearance of Buu, as well as some extra Great Saiyaman shenanigans. After that, the anime was just as likely to take a week or four off the air than it was to stall for time by using filler to pad out existing fights.
* ''Manga/ElfenLied'' fell victim to this, ending roughly at Chapter 63 of the manga (which would go on to run for 107 chapters total). It was resolved with some separate continuity, culminating in an ending that was half [[GeckoEnding Gecko]] and half [[AmbiguousEnding Ambiguous]].
* ''Anime/ExcelSaga'' got an adaptation less than two years into its run, which was a problem due to its being a monthly series. However, the anime producers made a deliberate attempt to avoid this by going for a completely different storyline – officially it covers the first five volumes, but only a handful of episodes (mostly in the first and third quarters) have ''any'' connection to the original manga at all. For the record, ''Manga/ExcelSaga'' gets considerably darker – and is much more of a satire than a parody – not long after the adapted-to-anime material ends.
* The ''Manga/{{Eyeshield 21}}'' anime has ''a lot'' more wacky hijinks between games because of this.
* ''Manga/FairyTail'' got hit with this, too. After the seven-year TimeSkip, the anime was getting a little too close for comfort with the manga's storyline, so the studio decided to insert a {{Filler}} arc before the [[TournamentArc Grand Magic Games arc]]. It is widely acknowledged that Mashima himself requested the studio to do it, and even helped them plan out the arc's story and provided new character designs. However, even that wasn't enough, so Mashima decided to insert a "To Be Continued" title card in manga chapter 297 for the anime to use as a point to go on hiatus. Luckily, the anime returned the following year to resume the story, till it came dangerously close again after completing the Tartaros Arc, causing a prequel manga to be adapted and another hiatus to be set till further notice.
* The first season of the ''Manga/FistOfTheNorthStar'' TV series had many drastic changes to the order of events as a way of preventing it from getting ahead of the original manga (which was in the middle of the Cassandra arc when the anime began airing). Kenshiro's battle with [[TokenMotivationalNemesis Shin]] was pushed back to the end of the season, numerous [[VillainOfTheWeek one-shot villains]] were introduced, and several other villains from the manga, namely the Godland Colonel and Jackal, were shown to be agents of Shin instead of acting on their own accord. The subsequent parts also featured {{filler}}, but generally kept the main storyline going in the same order.
* The ''Manga/FruitsBasket'' anime was adapted early on due to its popularity, and finished airing five years before the manga ended. As a result, it only covers about a third of the manga's story (barely seven books' worth of material). The final episodes are about an arc from the beginning of volume 6 that was shifted back for narrative purposes – Kyo's inner struggle with his true form, and Tohru learning to accept him for who he is. Another reason Fruits Basket only had 26 episodes is because Creator/NatsukiTakaya broke her drawing hand while working on the eighth book, leading to her taking a break from it. If the anime had gone past 26 episodes, then it's likely that it would've overtaken the manga.
* The [[Anime/FullMetalAlchemist 2003 anime adaptation]] of ''Manga/FullmetalAlchemist'' went into an AlternateContinuity from its very early episodes, although the changes were fairly subtle in the beginning. This is because the creators [[PragmaticAdaptation knew in advance that it would overtake the manga]], as did [[Creator/HiromuArakawa the manga's creator]], who explicitly asked them to take this route. Averted with the second series, ''[[Manga/FullmetalAlchemist Fullmetal Alchemist: Brotherhood]]'', whose release was carefully timed to end almost simultaneous with the manga-- the final episode was aired about two weeks after the final manga chapter was released.
* ''Manga/{{Gantz}}'' is an odd example. The manga and anime were created at about the same time. The animators, knowing they would eventually get ahead of the manga, decided from the beginning that it would only follow the manga through a few arcs. The anime [[GeckoEnding ended with an arc that was nowhere in the manga]], but had been planned since the first episode of the anime.
* The anime version of ''Manga/GreatTeacherOnizuka'' followed the manga for the most part right up the trip to Okinawa.
* Averted in ''Manga/{{Guyver}}'', which has had three animated adaptations and none of them have gone past the first appearance of Guyver Gigantic. This happened in the early 90s... and the manga is still ongoing. Even the most recent anime, produced in 2005, just barely got Guyver Gigantic in. Many ''Guyver'' fans would love an anime that runs long enough to overtake the massive manga lead.
* ''Manga/DotHackLegendOfTheTwilight'' also diverged from its manga once it reached the "Haunted House." This included, oh, removing half to all of the ''plot''. To this day, the ''Twilight'' anime is the only instalment, besides the gag OAV ''.hack//GIFT'', which does not count officially in the series canon.
* The ''Manga/HauntedJunction'' anime had to replace the more linear and consistent plot from the manga with a comedic OncePerEpisode deal ''and'' cut several characters out (like the Bleeding Beethoven and [[spoiler: Shingo]] to cover up for how the manga was nowhere near finished... and it wouldn't be over until ''years'' after the anime series was done for.
* ''Manga/{{Hellsing}}'''s first anime went a completely different direction with characterization in its second half, the "Incognito Arc", due to catching up with Kohta Hirano's manga '''''extremely''''' early on (as in, ''before the BigBad was even introduced''). This was made worse by the fact that (1) Hellsing was a monthly series, and (2) Hirano is famously {{lazy|Artist}}, regularly turning in chapters only 10 pages long in a magazine where the average is 25-30. Hirano was extremely unhappy with the anime, and further adaptation of the comic was postponed for years. An {{OVA}} series ''much'' more in line with the original was then made.
* The 2015 anime of ''Literature/TheHeroicLegendOfArslan'' was based on Arakawa manga version of the novel. However, the anime ran out of manga material, so the staff decided to follow the novel story instead. For now, the anime is ahead of the manga that it was originally based on, but it's fine because they are both based from novel. It also helps that the novel had been ongoing since 1986.
* Despite this happening, ''Manga/HunterXHunter'' has at most four episodes that could be considered filler in it, and they were all fairly early on. Instead of making filler episodes, the anime simply stopped making episodes until the manga made significant progress, which is why it has three [=OVA=] seasons and stops at the end of the Greed Island arc. Whether or not more episodes will be created once the Chimera Ant arc finally ends has yet to be revealed.
** The series has now been rebooted. And despite a twelve years gap, it narrowly averts this, ending in 148 episodes.
* ''VideoGame/InazumaEleven'' is a rare example of the anime staff avoiding filler by working closely in tandem with the creators of the source material (in this case a video game series instead of a manga series). Whenever this happens, the anime simply starts on the plot of the next game before the game itself is released. The game series itself simply has its major plot points planned out well in advance; the 4th game, ''Inazuma Eleven GO'', is currently scheduled for a winter 2011 release, but trailers had already surfaced a whole year in advance in December 2010. As a result, the major plot points are generally consistent between the game and anime, although plenty of details and smaller points differ.
* When the ''Manga/{{Inuyasha}}'' anime series Overtook the Manga, Sunrise opted to simply end it, resulting in a finale that only gets about 7/10 of the way through the story. It was finally [[SequelSeries continued]] in ''[[Anime/InuYasha Inuyasha: The Final Act]]'', which covered the remaining volumes of the manga, which ended in 2008.
* No other manga series has the distinction of [[AvertedTrope averting]] this trope the way ''[[Manga/JoJosBizarreAdventure JoJo's Bizarre Adventure]]'' has. Published in 1987, it was one of the longest running manga series without a TV anime adaptation, that is, until 2012. Keep in mind that other manga series typically gain their anime adaptations in about 1-5 years or so, all while the manga/anime gap for ''[=JoJo=]'' is ''25 years''! The advantage of waiting so long means that [[FillerArc Filler Arcs]] won't be an issue for quite some time and Creator/DavidProduction can make great use of {{Foreshadowing}}, making nods to things and events in past Parts that canonically debuted in future Parts. It also helps that there's a 2 year gap between the first airing of each season[[note]]Parts 3 and 4 in their entirety from the manga are each considered their own seasons in the anime. However, Parts 1 and 2 together are considered a single season[[/note]], so even though Creator/HirohikoAraki is publishing ''Jojo'' monthly, the team at David won't outpace him any time soon.
* This happened to ''Manga/{{Karin}}'', resulting in a very anti-climactic yet funny ending for the anime and an elaborate TearJerker ending for the manga.
* ''Manga/KashimashiGirlMeetsGirl'' ignores a new plotline added in the manga and goes for a GeckoEnding – probably for the better, although opinions differ.
* The anime of ''Manga/{{Kekkaishi}}'' made its own story for a short while, then abruptly cut it short with no resolution whatsoever.
* ''Manga/MermaidMelodyPichiPichiPitch'' also had filler while waiting for the manga that eventually crowded out key plot points from the manga. Meaning? Anything involving Coco.
* ''Manga/{{Naruto}}'' is perhaps the most infamous example since ''Dragon Ball''. The show ended up with ''two entire seasons composed solely of episodic filler and nothing else''. Although some of the filler arcs were moderately popular for providing screen time to [[EnsembleDarkhorse fan favorite secondary characters]] as well as general FanService this eventually led to a severe drop in ratings, resulting in the first arc after the TimeSkip being essentially a relaunch with the new title of ''Naruto Shippuden''.
** ''Shippuden'' attempted to pace itself so the manga could maintain a lead, even at one point going so far as to adapt only one manga chapter per episode. Despite this the lead slowly closed. Multiple filler stories have been introduced but do not have the same advantage as taking place during a TimeSkip, instead being shoehorned into the plot as either flashbacks or [[WackyWaysideTribe Wacky Wayside Ninja]].
** The SequelSeries, ''Manga/{{Boruto}}'', has been taking a different approach to avoid this: Since the manga is released monthly and its first 10 chapters adapt the events of ''Anime/BorutoNarutoTheMovie'', the anime started by covering the events before that, focusing on Boruto's early days as a student of the ninja academy, all to allow for more time for the manga to advance.
* The anime team is trying desperately to avert this with ''Manga/OnePiece'', not expecting the series to [[LongRunner have gone on for this long]]. Saving filler stories strictly for promotion of other things (such as [[TheMovie movies]]) and keeping them short, the anime instead is taking the one-chapter-one-episode approach, sometimes resorting to stretching a chapter into two episodes if they get too close, keeping roughly 10 to 12 months behind. Eiichiro Oda, the creator of the manga, seems to have caught wind of this and has greatly increased the pace of the manga, creating many gaps in every chapter for the anime people to fill in.
** There is at least one instance of a minor addition in the anime contradicting later information from the manga. After the TimeSkip, [[CombatMedic Tony Tony Chopper]] was shown to be able to use three of his special Points without his Rumble Ball drug. The anime assumes this was an oversight on Oda's part and had Chopper use a Rumble Ball before transforming. The Fishman Island StoryArc later clarifies the misconception, revealing that Chopper still needs a Rumble Ball to assume his Monster Point.
** Beginning in 2014, Oda started having health problems and would take occasional breaks from the series. Unfortunately for everyone, it happened in the middle of a major story arc [[ArcFatigue that had already run for over a year]]. This caused the anime to have to slow its pace to an absolute crawl to avoid this trope. It still hasn't gotten hit ''DBZ''-level because Oda packs a ''lot'' more dialogue and movement into each chapter than Toriyama.
* ''Manga/OuranHighSchoolHostClub'' pretty much averted this. The anime came out in 2006 and ran for only one season, while the manga ran from 2002 to 2010. Despite this, the anime followed the manga nicely with the exception of a few minor alterations that more or less didn't really affect anything. Only the very last two episodes or so drift from the manga. The anime ending was enough to give some closure, but still relatively open, leaving all pairings technically possible for fangirls to squee over.
** ''Most'' shoujo stories published by Hakusensha seem to only receive roughly 26 episodes of anime adaptation (either a single series or two [[TwelveEpisodeAnime half-size seasons]]) which ends way before its manga source is anywhere near a proper conclusion. The production studios therefore don't have to wait for the manga at all provided it already has enough material for a one-season anime, and those who like the series can start reading the manga for continuation and/or more details. Whether this tactic actually works tends to vary between the series, though.
* The anime ''Manga/PeacemakerKurogane'' actually ends at the prequel for the actual manga "Peacemaker Kurogane", and only follows the events of the manga "Shinsengumi Imon Peacemaker". Sound confusing? It is.
* While most of the ''Anime/{{Pokemon}}'' seasons are based directly off of one of the handheld video games, having Ash and co. visit the region of the currently-released installment and compete in the regional League, it had to go off the paved path twice, simply because they got to the end of "pavement":
** The second season, named "The Orange Islands", took place on a completely original set of islands. This was due to ''VideoGame/PokemonGoldAndSilver'' not yet being released at the time; while they could've had the characters putter about the Kanto region for another 35 episodes, moving the story to a more original setting allowed the producers to start [[MerchandiseDriven introducing more of the new Johto Pokémon]] ahead of Gold and Silver's release. This actually allowed Finnish MTV channel to [[NoExportForYou remove the Orange Island saga from their TV]].
** The last portion of the ''[[Videogame/PokemonBlackAndWhite Best Wishes]]'' saga (the second half of Season 16 in the Dub) contains various {{Filler}} Episodes that did not fit within any of the saga's plotlines, plus a few {{Early Bird Cameo}}s for Videogame/PokemonXAndY as per usual, and a brief arc regarding [[WellIntentionedExtremist a certain]] [[AntiVillain villainous team]] [[WhatCouldHaveBeen that would have appeared earlier on in the Unova arc]].
* ''Manga/RanmaOneHalf'' overtook its manga source several times, and made a large number of episodes from scratch each time it happened. Several episodes also were condensed arcs from the manga as well, but that may often be expected.\\
An interesting phenomenon was when an event in the anime and the manga happened at different seasons. When Ranma fights Cologne, it's a summer BeachEpisode in the manga, whereas it's a winter ski trip episode in the anime. As a result, the two are quite different.
* ''Manga/RozenMaiden'' is an unusual example, in that the anime adaptation overtook the manga because the manga was abruptly CutShort due to [[ExecutiveMeddling a dispute between the publishers and the producers]]. As a result, the anime [[AdaptationExpansion added a new and original arc]] that fans would dub "The Barasuishou Arc", named after the arc's BigBad. This created a weird side-effect by the time ''Rozen Maiden: Tale'' came out, which ironically, the manga was trying to catch up to ''itself'' by first starting in an AlternateUniverse before eventually picking up where the original left off.
* This ironically ''[[AvertedTrope did not happen]]'' to ''Manga/RosarioToVampire''; the first season of the anime stopped about halfway through the first serialization of the manga, which itself was just getting into its second, but not only did they rush to release the second season anime within a few months of the first, but rather than picking up where they left off, they skipped the rest of the first serialization and went directly into the second, which had barely been around for a year by then, though they did touch on some of the plotpoints from the first serialization. The result is [[TheyChangedItNowItSucks not well-liked]].
* The ''Manga/RurouniKenshin'' anime's last three arcs — the Christian/Shimabara Arc, the Black Knights Arc, and the Feng Shui Arc — were anime-only, created while waiting for Creator/NobuhiroWatsuki to finish the manga. Although the Christian Arc, as well as the episodic filler and the four episodes adapted from the light novel (which altogether make up over half the season), were reasonably well-received, the poor quality of the last two arcs led to the anime's cancellation and the final manga arc (the Enishi/Jinchuu Arc) was never fully animated.
** Nearly half of the first-season episodes (almost everything after the end of the Oniwaban story) were also filler, largely consisting of stand-alone episodes or two- to three-episode storylines that were basically watered-down versions of other plots from the manga (the series and the movie have three or four low-rent versions of the series' ultimate BigBad Shishio – masterminds with a vision of the "good old days" who gather together a bunch of unemployed swordsmen to embark on national conquest).
* ''Anime/SailorMoon'' invented mini-arcs in case new seasons weren't picked up or when they had to SnapBack after Overtaking the Manga, such as the mindwipe in the first season.
** The first season had the girls in a quest for the [[MineralMacGuffin rainbow crystals]], shards of the Silver Crystal that were created for the sole reason of having the team looking for more things and adding more episodes to the show. Other blatant filler are how long it took the team to get together, while in the manga it just took 8 or 9 chapters. By that time, in the anime, only Moon and Mercury had met.
** This is the reason the anime-only Doom Tree FillerArc at the beginning of ''Anime/SailorMoon R'' exists. Creator/NaokoTakeuchi had planned for the manga to end after Queen Beryl was defeated, but eventually agreed to continue it. They had to wait for Takeuchi to write enough of the next arc though, so they created the Doom Tree arc to fill time.
** This is particularly noticeable in [=SuperS=], which shares almost nothing in common with its manga counterpart and is noted for having had a significant ratings drop in Japan, a well as being most of the fandom's least favorite series. In the final season, they broke their rule of one BigBad per season for a mini-arc that brought back the rest of the cast and properly ended the previous series by recycling the BigBad of [=SuperS=]. After that arc, the proper BigBad, Galaxia, showed up and the real plotline started.
** The ''Sailor Moon'' anime started in March of 1992. The [[Manga/SailorMoon manga]]? ''February''. The manga only started because Creator/ToeiAnimation wanted to create an anime from it. Furthermore, while the anime was weekly, the manga was monthly. In other words, this trope was destined to happen from the very beginning. And then there's the fact that the manga included plots like say… three of the Sailors being captured and ''disappearing from the story'' until their rescue several chapters later. The anime, running concurrently with and at a faster rate than the manga, simply couldn't adapt these plots at all. (In the case of the Sailors' abduction, the plot was reduced to a two-part episode [[StatusQuoIsGod where they were all freed at the end]]). No wonder the [[Anime/SailorMoonCrystal 2014 reboot]] is said to be [[TruerToTheText closer to the manga]] - they can actually animate these plots now that the manga is finished.
** This trope is almost completely averted in ''Anime/SailorMoonCrystal'', which is taking the one-chapter=one-episode approach, and even naming the episodes directly after the manga counterparts. Since the individual chapters don't quite provide enough material to fill a 24-minute episode, minor filler still happens, but not much. There are also minor story changes, but nothing significant, especially compared to the original anime.
* ''Manga/SaintSeiya'' created the whole Asgard arc after the Sanctuary Chapter which surprisingly enough became one of the fans favorite arcs. On the other hand, they created several episodes in the Sanctuary Chapter which led to some confusions notably with the introduction of the Crystal Saint as Hyoga's mentor when it was later revealed in the manga that Hyoga's mentor was in fact the Aquarius Saint. It was handwaved by making The Aquarius Saint the mentor of the Crystal Saint who was still the mentor of Hyoga the Cygnus Saint, thus establishing some kind of "coherent" hierarchy.
* ''Manga/{{Saiyuki}}'' had a few cases, which led to a lot of {{filler}} and a large mismatch between the sequel series of the manga and the anime:
** The entire second half of the first TV series, ''Gensoumaden Saiyuki'', was an anime-original arc, although its BigBad Homura ''was'' [[GodCreatedCanonForeigner designed by the mangaka Kazuya Minekura]], and the story took existing elements from the then-ongoing manga prequel series, ''Saiyuki Gaiden''. (Notably, the Homura arc became rather popular for non-manga material, with its characters even getting a cameo in ''Gaiden''.)
** The second anime series, ''Saiyuki Reload'', started out adapting the then-ongoing manga sequel of the same name, but in its second half covered the final arc of the ''first'' manga series, which didn't make it into the ''Gensoumaden'' anime.
** The last anime sequel, ''Saiyuki Reload Gunlock'', continued adapting the ''Saiyuki Reload'' manga, but still lacked enough material because the latter was on hiatus due to the author's health. As a result, the final arc of ''Gunlock'' used the same basic plot and characters as the final arc of the ''Reload'' manga, but ended up going in a very different direction: whereas the manga was starting to tie its plot threads together in preparation for the final stretch, the anime, on the contrary, went for a normal standalone arc barely connected to the overarching story, omitting a lot of important elements and concluding with a GeckoEnding of the usual AndTheAdventureContinues variety. It's unknown if the still-ongoing final manga series, ''Reload BLAST'', will ever be animated, but considering the above, it's very likely to require re-adapting a large portion of ''Reload'' from scratch in order to make any sense (not that it would be bad, as the manga equivalent of what became the second half of ''Gunlock'' is considered to be one of the best ''Saiyuki'' stories).
* In ''Manga/{{Saki}}'', the manga ended the regional tournament just a few days before it ended in the anime.
* ''Manga/TheSevenDeadlySins''' anime adaptation is experiencing some delays due to needing the manga to progress further before they can adapt the next arc fully.
* Because the anime version of ''Manga/SgtFrog'' frequently ran ahead of the manga (particularly in more recent years) a number of episodes and plots are present in the former that are not in the latter, such Karara's repeated appearances to marry one of the members of the platoon and the timer counting down to the invasion in season 3.
* ''Manga/ShamanKing'' is a bit more balanced between the manga and anime, but the anime seems to overtake the manga by a nose.
* ''Manga/ShugoChara'' used the whole Lulu arc to catch the manga's pace, but at the end they ignored the manga's conclusion and added a whole filler season (''Dokki Dokki!''), ignored by most of the fandom.
* The ''Anime/{{Simoun}}'' manga debuted in the January, 2006 issue of ''[[SchoolgirlLesbians Yuri]] Hime'' magazine, at which time the anime version had already started production. The two tell different stories, albeit with the same background.
* The ''ComicBook/SonicX'' comic has done the same thing, with the Sonic characters being shown still living on earth in the comic long after the anime had sent them home.
* ''Manga/SoulEater'' is almost exactly the same as the manga with only a few minor alterations (and more Excalibur for some reason) up until episode 37 [[spoiler:at which point the new ending switches around which characters live and die, changes the significance of several characters, and involves a giant robot fight in a series which had never had anything remotely like that happen before. In the final episode Maka is able to fight off Asura, one of the most powerful beings in existence, by somehow becoming a weapon for a few minutes (which, oddly enough, doesn't have any real effect on the fight) and finally by punching him really hard in the face, which causes him to crack apart as if he were made of glass and explode because she "filled her fist with courage". It's worth noting that she doesn't even use Soul, her partner, to achieve this, which is strange since teamwork seemed to be a pretty major theme in the show up until the final episode.]] Some of these changes, though, can actually be considered to be quite awesome, so it's really up to the viewer to decide. It was inevitable as the series runs in a monthly magazine, and anime are made for weekly showings. It was going to catch up pretty quickly regardless.
* The ''Manga/{{Trigun}}'' anime overtook its manga by a fair margin, though how it did so is a rather unique situation. In 1997, Yasuhiro Nightow had to deal with the abrupt end of his manga because the {{Shonen}} magazine he was being published in folded. By the time he restarted it as ''Trigun Maximum'' in the {{Seinen}} magazine ''Young King Ours'', Creator/{{Madhouse}} had already begun production on the anime. As a result, the anime quickly caught up and finished long before the manga did. In fact, ''Maximum'' continued for nearly 9 years after the anime ended, finally finishing in April 2007. From Volumes 2-3 of [=TriMax=], including the equivalents of episodes 20-21, the manga takes new directions with plot and characters, while retaining parallels in the plot — sometimes revealed in the manga years later — that Nightow had probably intended from the beginning.
** For the curious: only anime episodes 1, 4, 5, 7-10, and 12-21 have any connection to the manga at all.[[note]] The only part of Ep.1 that happened in the manga was the bar scene with the Insurance Girls. Only the first half of Ep.9 (introducing Wolfwood) and the first few minutes of Ep.10 (Vash's morning training) appeared in the manga.[[/note]]
* With ''Manga/TsubasaReservoirChronicle'', apparently Creator/{{CLAMP}} was very upset that production company Bee Train had to resort to making stuff up. When the manga reached the [[DarkerAndEdgier Acid Tokyo arc]], the damage was already done and CLAMP gave the rights to Creator/ProductionIG to continue the anime in [=OVA=] form. The fillers did break several rules that CLAMP stories strictly abide by. Most egregiously, one episode had the heroes using a wish to restore the dead to life. An immutable, unbreakable law of nature in the Tsubasa-verse is that the dead '''never''' come back to life, no matter what happens. Hell, it ends up being one of the ''central themes of the entire story''.
* ''Manga/VenusVersusVirus'''s anime went in a completely different direction from the manga from the ''first episode''. It also had a GeckoEnding.
* ''Manga/ViolinistOfHameln'' found themselves so far ahead of the manga that they needed to come up with their own explanations for many of the ChekhovsGun found in the series, as well as creating a GeckoEnding for it all.
* The ''Manga/WeddingPeach'' manga ran for 6 volumes and one spinoff. The anime ran for 52 episodes and 3 OVA spinoffs, and almost all of the tropes on Wedding Peach's page are about the anime.
* The AnimatedAdaptation of CLAMP's ''Manga/{{X 1999}}'' have obviously counted into this because the manga was actually cancelled (Or rather, it has been listed as "on Hiatus" for a ''long'' while) due to Monthly Asuka growing concerned about the manga's rather violent storyline and imagery present in the storyline, and the authors actually didn't want to be censored so they opted for hiatus. (Of course, the manga was actually pulled a couple times already for similar reasons.
* ''Franchise/YuGiOh'' loves to do this; the Virtual World (which occurred ''right in the middle'' of another in-manga arc), Doma / Waking the Dragons and the KC Grand Prix were a result of this. If nothing else, the Virtual World arc gave us more backstory on the Kaiba brothers.
* ''Manga/YumeiroPatissiere'''s anime will continue in October with a new season called ''Yumeiro Patissiere Professional'', which will take place several years later with Ichigo now in high school. Since the manga, which is serialized monthly, is still in the middle of the first story, it's safe to say everything in the new anime will be new material.
* The anime version of ''Manga/ZatchBell'' ran at the same time as the manga version it was based on. Unfortunately, Makoto Raiku, the author of the manga, broke his hand, forcing the manga version to go on hiatus while the author's hand healed enough to allow him to draw again. The anime overtook the manga as a result, so the anime diverged from the manga for its final episodes. Some aspects of the anime made it into the manga once Raiku resumed drawing, the most notable being [[spoiler:Zeon's ultimate spell and the location of the final battle between Sherry and Gash]].

!!Other Examples:

[[folder: Film]]
* ''Film/TheGodfatherPartII'' picks up where the novel ended, with Michael Corleone moving his family to Nevada, and ''Film/TheGodfatherPartIII'' takes place decades later and concludes with [[spoiler:the death of Michael Corleone]]. The novel series continued with ''The Godfather Returns'' in 2004 and ''The Godfather's Revenge'' in 2006, written by Mark Winegardner as original author Mario Puzo died in 1999.
* Creator/MichaelCrichton followed ''Franchise/JurassicPark'' with ''Literature/TheLostWorld1995'', but the lack of a third book led ''Film/JurassicParkIII'' to be created from whole cloth. Ditto ''Film/JurassicWorld'' - though impressively both had [[RefittedForSequel unused content from the first book]].
* [[Film/KickAss The film]] and [[ComicBook/KickAss comic book]] versions of ''Kick-Ass'' were written at the same time, with both influencing the other and things being changed to keep them consistent.
* ''Literature/TheNeverendingStory'' had its first half becoming [[Film/TheNeverendingStory the eponymous movie]], with the other half being the sequel. The third movie was an original plot [[DenserAndWackier with barely any resemblance to its beginnings]].
* ''Film/ScottPilgrimVsTheWorld'' was filmed before [[ComicBook/ScottPilgrim the comic's]] final volume had been written, so while most of the film is fairly faithful the endings are quite different.
* Nearly avoided in ''Literature/HarryPotter'' when the [[Film/HarryPotterAndThePhilosophersStone first movie]] was released in 2001 after the [[Literature/HarryPotterAndTheGobletOfFire fourth book]] was published in 2000. Creator/JKRowling told Creator/AlanRickman about the true nature of Severus Snape, his character, which made him the few people who knew about Snape's motives until the publication of the seventh book. Hence, Movie!Snape appeared to be nicer than his book counterpart. Though Rowling did supervise the scripts, she made the final word about the characters such as Kreacher's importance in the last book and Dumbledore's sexual orientation. Though the movie managed to catch up with the books with [[Literature/HarryPotterAndTheDeathlyHallows the seventh book]] released in the same month as [[Film/HarryPotterAndTheOrderOfThePhoenix the fifth movie]]'s release date, the movies had a problem with the official pairings. It seemed that the production staff thought that Harry and Hermione are going to be a couple due to the chemistry between the Creator/DanielRadcliffe and Creator/EmmaWatson except they're confirmed as LikeBrotherAndSister in the final book. When Harry is finally paired with Ginny Weasley, it's more of an extreme case of StrangledByTheRedString where the movies had fewer scenes of Harry and Ginny being together than in the books and that shoe-tying scene in [[Film/HarryPotterAndTheHalfBloodPrince the sixth movie]] only confirmed that their status as a couple.

[[folder: Literature]]
* Some of the early Franchise/StarWarsExpandedUniverse material that was published between the movies of the original trilogy, like ''Literature/SplinterOfTheMindsEye''. It was written as a sequel to the first movie, but published when it was unknown if ''Film/TheEmpireStrikesBack'' was ever going to be made. The ComicBook/MarvelStarWars comic book series fits this trope despite ironically being a comic book adaptation of a screen franchise. First it adapts the original movie, then it has a bunch of original stories, then it adapts the second movie, followed by more original stories, then the third movie, and then it OvertookTheSeries.
* The ''Franchise/StarTrek'' comic books - specifically, the first series from Creator/DCComics - suffered from overtaking the movies. ''Film/StarTrekIIITheSearchForSpock'' follows immediately after ''Film/StarTrekIITheWrathOfKhan''; however, DC's series started just months before ''Search'' premiered, and thus added events between those movies. Then, following the adaptation of ''Search'', they had Spock make a full recovery and get his own science vessel, while Kirk and the rest of his crew took command of the ''Excelsior'', with Starfleet sending them all on a bunch of far-away missions while they decided what to do with the captain who stole the ''Enterprise'' and got it blown up. Then, ''Film/StarTrekIVTheVoyageHome'' comes along and sets up that it's only been a couple of months since ''Search'', so in the comics, Spock started having a mental breakdown while his entire crew died, so Kirk swapped the ''Excelsior'' for the Klingon ship they'd apparently kept in the ''Excelsior''[='s=] hangar for all those months, took him back to Vulcan for treatment, and managed to set things up exactly the way they had been at the end of ''Search,'' just in time for a huge cylinder to start asking Earth about whales.
** And then, after some further adventures on the ''Enterprise''-A, DC cancelled the series while Paramount reworked the licensing deal, essentially [[CanonDiscontinuity throwing out the continuity of the entire first series]] when the second series launched after ''Film/StarTrekVTheFinalFrontier''. Since it was uncertain for months if there would even be a sixth movie, and once ''Film/StarTrekVITheUndiscoveredCountry'' was greenlighted it was decided to set it several years after ''Frontier'', the second series managed to avoid the trope altogether. (It also helped that they periodically revisited the period of [[Series/StarTrekTheOriginalSeries the Original Series]].)
* S.D. Perry wrote a follow-up to her ''VideoGame/ResidentEvil2'' novelization titled ''Resident Evil: Underworld'', in which Sherry Birkin is left under the care of her aunt (a character made up for the books), while Leon and Claire go on a new adventure with Rebecca Chambers and the surviving members of the Exeter branch of S.T.A.R.S. However, this book proved to be hard to reconcile when ''VideoGame/ResidentEvil3Nemesis'' came out, as it revealed the fates of various characters after ''[=RE2=]'', which differed to what Perry came up with in ''Underworld''. Perry had to explain away all the {{continuity snarl}}s in her ''Nemesis'' and ''Code: Veronica'' novelizations.

[[folder: Live-Action TV]]
* ''Series/AllCreaturesGreatAndSmall'': The show eventually ran out of Creator/JamesHerriot novels to adapt and started creating the scripts out of whole cloth.
** May count as a double case, since Herriot himself ran out of real life cases at one point.
* The Showtime series ''Series/{{Dexter}}'' had its first season based on the first ''Dexter'' book, ''Darkly Dreaming Dexter''. The second season showed an original storyline as the second book, ''Dearly Devoted Dexter'', was considered inappropriately dark for the show. There were no more books by the time the third season was greenlit, and since then the novels and TV series have gone their separate ways.
* ''Series/TheWorstWitch'' ran out of material to adapt after the fourth book. The actresses were all getting too old by this point, so the show was [[ReTool ReTooled]] into ''Weirdsister College'', replacing half the cast in the process (although Felicity Jones returned as Ethel Hallow, after two seasons of the role being played by Katy Allen). After that, a new series was made out of whole cloth.
* During the fifth season of ''Series/GameOfThrones'' the show had mostly caught up with the published ''Literature/ASongOfIceAndFire'' novels. This is based on a version of the problem that plagues anime – although the show only airs ten episodes per season, it might have given another writer time to finish, the problem is that Creator/GeorgeRRMartin writes his {{Doorstopper}} novels ''[[ScheduleSlip veeeeerrrry sloooowwwwly]]''. This has led to Bran's storyline being left out of season 5 of the show, because his character has actually caught up entirely with his book plot line. Martin has given the show's writers a detailed explanation of events in the final two novels, as the showrunners have made it clear they will not and cannot stop and wait for Martin to catch up.
** The season 4 episode "[[Recap/GameOfThronesS4E4Oathkeeper Oathkeeper]]" was the first to feature a revelation before it came in the novels, its last scene revealing that the Night King exists and can transform Craster's sons into new White Walkers. After that, Season 5 episode "Hardhome" was when most storylines have first surpassed the novels. As the final two seasons have been shortened to only 13 episodes total and many new POV characters from Books 4 and 5 have been AdaptedOut, it seems that the series will have a GeckoEnding, similar to future books in some aspects, but completely different in others.
* ''Series/CallTheMidwife'' is ([[VeryLooselyBasedOnATrueStory somewhat loosely]]) based on the memoirs of Jennifer Worth (née Lee), chronicling her time as a district nurse and midwife in London's East End. However, by Series 2 they were running out of stories from the memoirs, and in any case Worth actually left midwifery a few years after starting to become a hospice nurse. Since the series was always [[EnsembleCast ensemble-based]], losing Jenny isn't a huge problem, and with Series 4, the stories will begin to be more or less out of whole cloth.
* BritishBrevity meant that ''BeingHumanUS'' stops being an adaptation of ''BeingHumanUK'' reeeeal quick. At first it was mostly the same story with the extra episodes largely given to Aidan because vampires are popular lately [[Literature/{{Twilight}} for some reason]]. However, it ends up being quite a different show with each passing season, ''especially'' once the original decided to KillEmAll and go with a new cast entirely.
* This had been planned for ''Series/{{Hannibal}}'', for the fourth season to be based on ''Red Dragon'', the fifth on ''The Silence of the Lambs'', the sixth on ''Hannibal'', and the seventh to be an original story line taking place after Thomas Harris' novels.

[[folder: Video Games]]
* The Creator/TimBurton ''Film/{{Batman}}'' movie was adapted to an [[VideoGame/BatmanSunsoft NES game]] by Creator/{{Sunsoft}}, who took great liberties with the plot of the movie but still managed to churn out a pretty good sidescroller. However, Sunsoft couldn't wait for the next movie to come out before making a sequel to the NES game, and created ''Batman: Return of the Joker'' as a standalone sequel based on the comic.
* A similar example occurs with the SNES adaptation of ''VideoGame/JurassicPark''. Ocean couldn't wait for the sequel (or even the novel it would be loosely based on) and created their own, ''VideoGame/JurassicPark2TheChaosContinues''. It had a vaguely similar plot to the eventual sequel--a rival genetics company tries to take control of the island by force, and Alan Grant is sent to stop them. Nobody stopped to question why Grant was suddenly a gun-toting Contra-esque mercenary… or why he'd care about any of this. Good music, though.
** Ocean did the same thing on the Genesis[=/=]Megadrive with ''VideoGame/JurassicParkRampageEdition'', which is an ActionizedSequel that takes place after the first game (although, unlike the SNES sequel, it retains the gameplay style of its predecessor).
* ''[[VideoGame/StreetFighterI Street Fighter]]'' was another interesting example in that Tiertex, the company responsible for porting the original ''Street Fighter'' to home computers ([[PortingDisaster who also did a terrible job at it]]) decided they couldn't wait for ''VideoGame/StreetFighterII'' to revolutionize the fighting game genre, so they took their port of ''Street Fighter'' and made their own original sequel to it, titled ''Human Killing Machine'' ([[http://www.youtube.com/watch?v=5zUkK14bHDk which was also quite crap]]).
* Years before Capcom released ''Strider 2'', the official arcade sequel to the original ''VideoGame/{{Strider}}'', they handed the ''Strider'' license to U.S. Gold and Tiertex (the companies that produced the European computer ports of the first arcade game) to produce their own sequel titled ''Strider II'' (spelled with a Roman numeral). This sequel was originally made for the same set of European computer formats and then remade for the UsefulNotes/SegaGenesis and UsefulNotes/GameGear, getting a stateside release in the form of ''Journey from Darkness: Strider Returns''.
* When Konami wanted to make a sequel to ''VideoGame/MetalGear'' following the success of the NES port in North America, they commissioned one of their teams to make a sequel specifically for the American market, resulting in the creation of ''VideoGame/SnakesRevenge''. This inspired Hideo Kojima to make his own sequel for the [=MSX2=], ''VideoGame/MetalGear2SolidSnake''. ''Snake's Revenge'' is not considered part of the official ''Franchise/MetalGear'' continuity, as the events of the game are incompatible with what occurs in the official sequel. [[spoiler:Namely, the way Big Boss' return is handle in both games. Both games takes place three/four years after the original ''Metal Gear'' and have Big Boss forming a new terrorist organization with a new Metal Gear prototype in his hands. However, in ''Snake's Revenge'' he also turns in a huge cyborg during the final battle.]]
* A sequel to the original ''VideoGame/{{Gradius}}'' (a.k.a. ''Nemesis'') was made for the {{UsefulNotes/MSX}} titled ''Gradius 2'' (a.k.a. ''Nemesis II'') before the actual arcade sequel, ''Gradius II'' (a.k.a. ''Vulcan Venture''), was even made.
* ''[[VideoGame/GoldenAxe Golden Axe II]]'' for the UsefulNotes/SegaGenesis was made a year before the proper arcade sequel (''Golden Axe: Revenge of the Death Adder'') was released.

[[folder: Western Animation]]
* ''WesternAnimation/TheSecretOfNIMH'' actually overtook the source material. While the Bluth film was rather jumping in and out of InNameOnly, the ending (and primary events) of Bluth's 1982 AnimatedAdaptation pretty much ruined any potential chance of covering the two later books written by Jane Leslie Conly with Jenner and Nicodemus kicking the bucket (whereas they both survived in the books; however, it was implied that Jenner possibly died off-screen sometime in the first book with the mention of his party being electrocuted by a car battery). But Bluth honestly deserves this… his film was copyright 1982; Conly's books are dated 1986 and 1990. Chances are nobody even ''knew'' that Conly would take over or that the official book sequel would be released four years later. (Whether or not the supposed remake will follow the books more faithfully is unknown.)
** Bluth has also stated that if he were to make a sequel to ''The Secret of NIMH'', he'd actually cast Martin as the hero while Timothy was the villain. Interestingly, the animated sequel made 17 years later (without Bluth's involvement) actually did the opposite.
* ''WesternAnimation/HeManAndTheMastersOfTheUniverse1983'': The series was put into production before the ''Franchise/MastersOfTheUniverse'' comic it was based on (and, by extent, the mini-comics that came with the action figures) could establish a concrete plot. This resulted in the story being retconned to fit in with the show.
* There may be four (or five, if you include the spinoff) ''Shrek'' films, but only [[WesternAnimation/{{Shrek}} the original film]] was a direct adaptation, albeit an extremely loose one. This is because ''Shrek!'' was always one of cartoonist William Steig's lesser known children's books, and it never sold well enough for him to write a sequel, even after the huge success of the film. Granted, Steig died shortly after the film came out.
* ''WesternAnimation/RegularShow'' subverts this in that the comic (which started months after the show began) is months behind the show, retaining Margaret at a time when she left in the show, and then losing her now that she's come back to the show. It does however have enough alternate continuity to get away with it.
* When ''ComicBook/TheMaxx'' was adapted by MTV, they did a very faithful job, despite having to replace some of the [[ComicBook/SavageDragon character cameos]]. However, given the book's typical Creator/ImageComics production schedule, the cartoon had to invent its own ending, '''well''' before the comic got there.