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Sometimes, characters develop over the course of a show. And sometimes, shows will present new scenes from earlier time periods. And sometimes, characters in a flashback (or a prequel) will exhibit character unlike the way they acted before the time the flashback is occurring.

For example, when Bob started on the show in 1991 he was characterized as a Jerkass, but became a Jerk with a Heart of Gold in 1993, and then just became a nice guy by 1995, but is shown in a recent flashback to 1990 to have been a Nice Guy in 1990, with no explanation/extenuating circumstances.


Usually, this happens unintentionally due to Flanderization and Characterization Marches On, often due to the too many flashbacks to track characterization in an Expansion Pack Past. This might be used to Retcon an existing flashback, maybe because it also had to be reshot since it was a Flashback with the Other Darrin. If you not only pick up your old characterization but also your old visual style, it's a Retraux Flashback. It's also this trope rather than Flashback with the Other Darrin when a present-day actor or character design is used to represent a character in a new scene set in the past.

Trope name comes from "backporting," a concept in software development where features from a new codebase are imported to an older branch of development.



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    Anime & Manga 
  • In One Piece we have Luffy, the straw-hat-wearing hero. He got the hat, which is his #1 Dime, as a seven-year-old. At the start of the series, where he is seventeen, this caused a problem for him because the hat would often fall off in battles so that he would have to make another person hold it for him. After the Alabasta arc, he gets a string strap for it so that he can have it hanging from his neck while fighting which gives him much more flexibility (probably because he was very close at losing the hat in the Alabasta arc). Some time later, we get a flashback to when he was seven years old, and suddenly, it appears that he already had the string strap back then.
  • Pokémon: The Series:
    • Whenever Ash appears in flashbacks he is an excitable Friend to All Living Things and an all-around Nice Guy. This is ignoring his personality in the original series (Kanto and Johto) where he was a more bratty and stubborn character. Even Pokémon: I Choose You! features the less cocky, less hardheaded Ash. It was his Character Development that transformed him into a more tame and gentle character by Hoenn.
    • Likewise, every flashback with Pikachu will depict him as a kind-natured and naive Nice Guy, despite the fact that Pikachu started off a disobedient and lazy Jerkass when Ash received him in the first episode. Even throughout Kanto, Pikachu had some mean elements, which were watered away as time went on.
    • In the credits of Mewtwo Strikes Back—Evolution (A CGI remake of the first film), the mother-daughter duo who first appeared in Movie 8, can be seen in the background, most likely because they'd been in most Pokémon: The Series movies since then (only missing out on movies 9 and 17)
  • Cardfight!! Vanguard features a bunch of those due to the Merchandise-Driven nature of the anime.
    • In the original anime series Booster Set names were often explicitly spelled out, implying that the in-universe card releases were the same as the ones from the real card game. This didn't stop the series to also show flashbacks to years before the start of the series showing cards that shouldn't be out yet.
    • In Cardfight!! Vanguard G, there's a flashback to at least 15 years before the start of the original series. A fight in this scene includes characters using Stride Units, a mechanic that wasn't actually developed until several years later.

    Audio Plays 
  • Downplayed in the audiobook version of Red Dwarf: Infinity Welcomes Careful Drivers, Chris Barrie does an impression of Robert Lewellyn doing a Fake Canadian accent as Kryten, even though the scenes are based on Krytyen's Season II introduction episode, where he was played by David Ross sounding like C3P0. However, the novels are an Alternate Continuity from the TV series, so it's not even technically a retcon in the first place.

    Comic Books 
  • Chaos War: Ares shows Amatsu-Mikaboshi wearing his present-day duds in a flashback to the original Ares miniseries.
  • Judge Anderson, a psychic Judge in the Dreddverse, was a very flippant and easy-going character when she first appeared in Judge Dredd, though would get serious when the situation mandated it. As time went on, she became a rather serious character most of the time, and her dominant mood was vague despair at the shape of the world. In late 2010, possibly as part of the buildup to the new Dredd movie, Alan Grant started writing a prequel series, Cadet Anderson, set during Anderson's days as a cadet. In the prequel series, she is a very serious character who wishes the world could be better, in seeming contrast to the fun and light-hearted lady who first fought Judge Death.
  • General Sam Lane, originally Lois's gruff father who didn't like Clark much and wasn't entirely impressed with Superman, but had a good heart beneath it all, died during the alien invasion of Our Worlds at War. When he came Back from the Dead, his experiences in that war had left him with a new anti-alien attitude that turned him into a General Ripper declaring war on New Krypton. In the Superman: Secret Origins miniseries, Sam was gunning for Superman from the first moment he learned Metropolis's new hero was an alien, and is responsible for creating Metallo as his anti-Kryptonian weapon.
  • Wolverine's personality has remained pretty consistent throughtout his decades of publication, but his speaking style hasn't. Modern incarnations of Wolvie have him speak in a very coarse, almost Texan drawl-like Funetik Aksent, and in his worse days, he'll refer to EVERYONE as 'bub', no matter the situation. It can be very jarring to go back to early issues and find he had a pretty normal way of speaking during the seventies. Being over 200 years old, he occasionally guest-stars in flashback issues, such as his appearance in Agents of Atlas, where he inevitably talks in the familiarly rough dialect he uses in the present day.
  • The 1998 story "Amy's Secret Past" from Sonic the Comic depicts a tomboyish Action Girl Amy even prior to her becoming a Freedom Fighter. In early comics, Amy had a more chipper and girly personality. It also depicts Robotnik with his "evolved" design despite that not appearing until several issues into the series.

    Films — Animated 
  • Bo Peep from Toy Story is depicted as "gentle, ladylike, and kindhearted". When she re-appears in Toy Story 4 after being Put on a Bus in 3, she is shown to be a free-spirited and tomboyish Action Girl. A flashback in the 4th film to the time before she was given away shows her organizing RC's rescue together with Woody, even though her role in the first film was more of The Heart than Woody's Number Two.

    Films — Live-Action 
  • In Star Trek: Nemesis, they show a picture of Jean-Luc Picard when he was young, and for some reason, he was bald, despite the fact that his balding had everything to do with his age, as previously shown in the show. This also makes the villain's baldness quite baffling. However, Patrick Stewart himself really had lost his hair by this age, really muddling things. One handwave that swims dangerously close to being a Voodoo Shark is the fact that both the picture and Shinzon have stubble, indicating both the young Picard and his clone both shaved their heads on purpose. Other flashback Picards with hair had just let it grow back.
  • Anything related to the original Star Trek treats Chekov as having been there from the beginning, and ignores details about the clothing and technology that were different in the first two pilots.
  • As the Harry Potter films went along, the architecture of Hogwarts kept getting altered. Despite being prequels, the Fantastic Beasts films use the Deathly Hallows version of the castle.

    Live-Action TV 
  • The Big Bang Theory: In the flashback episode "The Staircase Implementation," Sheldon acts like his current, flanderized self instead of his more socially conscious earlier persona, despite the fact that the episode takes place four years before the series begins.
  • Frasier: Martin was supposedly insufferably crabby and unpleasant before Frasier moved back to Seattle, which is used to explain why Frasier rarely visited when he lived in Boston. Flashbacks in some later seasons definitely show family tension, but Martin’s personality isn’t noticeably different (he’s even apologetic for what little crabbiness he displays), making a lot of the pre-series family drama a mostly Informed Flaw.
  • Averted in Lost, which cuts around with its flashbacks, but keeps characterization as established when the scene takes place (noticeably when Shannon and Boone are shown shortly around the time of the crash, Shannon is still doing nothing but complaining.)
  • Red Dwarf:
    • In flashbacks to shortly after the revival of Rimmer (Series I), the style of the 'H' on his head and his uniform were the ones from Series VII.
    • Kryten's changed appearance is handwaved by the explanation that Lister rebuilt him after a spacebike crash, yet a few episodes later we see a moving photograph of Kryten pre-crash and he looks (and speaks) the same as post-crash. Additionally, the other Series 4000 mechanoid we meet, Able, looks like the "rebuilt" Kryten as do his spare heads in "DNA" and "Beyond a Joke".
    • The flashback in series 2's "Stasis Leak" to before the accident maintains the set design and props that were added to the bunk room in series 2.
  • Highlander: The Series: In the pilot, it is stated that Duncan has remained "out of the Game" for over a century. Later, throughout the series he is depicted in flashbacks defending himself from other Immortals and taking heads throughout said century. Of course, given the nature of immortals in Highlander, it's impossible to survive if you aren't good at defending yourself and willing to end an opponent before he does the same to you, even if you're not after the ultimate power the last immortal standing is supposed to receive. Yes, they can't attack you on holy ground, but that means you'd have to hole up in a church somewhere and never set foot off its property for one moment ever. Nope, you'd better be good enough with the sword to at least survive a trip to the store for more toilet paper.
  • My Name Is Earl had this twice, both with heavy lampshades. Two flashbacks saw Earl being the good guy despite the show's entire premise being he was an awful person until he "discovered" Karma. One featured Earl saving Joy from a killer bee while his cousin cowered in a tent, and the other was his reasoning for raising two kids who were not his own. Both were described as the only good thing he did before he made the list.
  • Star Trek: The Next Generation had this in the series finale.
    • The captain's chair shown in the past is the same one as the then-current chair, with little lights under the arm-rests instead of the folding panels the first season chair had.
    • Past Worf's makeup design was slightly modified from the current version rather than being the version from the beginning of the series (which took much longer to apply and was more uncomfortable for the actor). His forehead ridges were TOTALLY different in season one, not just created by different makeup techniques.
    • Also, O'Brien was treated as a major character, though originally, it wasn't clear that Colm Meaney's background redshirt in the premiere was intended to be O'Brien, who didn't become a major character until well into season two. Assuming that it is him lets them bring a major character Back for the Finale, and it's easy to say that the time-travelling Picard gave him more attention because he now knows his true potential.)
    • Finally, there's no avoiding the fact that the actors don't look exactly the same. Tasha's a little chubbier than she was before because Denise Crosby hadn't had to keep herself in playing-a-starship-security-chief shape in a long time.
    • It's all especially noticeable because, to their credit, they otherwise totally nailed the differences between season one and the rest of the series.
  • In Boy Meets World, Topanga is originally a Hopeless Suitor for Cory and a Cloud Cuckoo Lander. The high school era made her a totally different character with none of the weirdness that had defined her in the first couple of seasons, and gave her and Cory a Relationship Upgrade. All flashbacks and references to the past from then on pretended that Topanga had always been exactly as she is now, and that she and Cory had been in love since preschool. This was given a Hand Wave as Cory having been going through a Girls Have Cooties phase in the first season.
  • Every time the Doctor's days on Gallifrey are referenced in Doctor Who, it sounds like they're talking about a younger version of the current Doctor, not First. For instance in the Fourth Doctor story "The Deadly Assassin", we're told that the young Doctor had a "propensity for vulgar facetiousness".
  • In Loki, the title character appears to go through much of the character development Original Loki went through over the course of the movies in a matter of hours, simply through Mobius telling him what happened to his counterpart following The Avengers.

  • BIONICLE contains an enforced example. Originally, the race of diminutive villagers was called "the Tohunga" until Maori activists threatened to sue the LEGO Group for trying to trademark culturally sensitive words from their language via the Game Boy Advance game Tales of the Tohunga. The Story team wrote a scene to change around a few names, with the Tohunga becoming "the Matoran" in celebration of their newfound unity. That was until the story expanded beyond the island of Mata Nui with a prequel arc. Since they certainly couldn't reuse the old names, the word "Tohunga" was retconned out, and later story pretended Matoran had always been their name. This also happened to other characters and terms that had to be renamed for legal reasons (Jala - Jaller, Huki - Hewkii, Koli - Kolhi, etc), as prequel scenes had to stick to their altered names.
  • When NECA decided to do a collecter-aimed throwback to the Aliens and Predator toylines Kenner did, it incorporated elements of the movies that came since those days, including tying the Nightstorm and Scavage Predators to the Black Predators first seen in Predators (with the former even being the Eviller Counterpart to the Clan Leader Predator). Additionally, they made two figures in the scale and style of the Kenner toyline for the Berserker Predator/Mr. Black from Predators and the Neomorph from Alien: Covenant.

    Video Games 
  • Sonic the Hedgehog:
    • In the first Sonic Adventure game, Tails and Amy have flashbacks dating back to the times of the classic Mega Drive games. In them, Sonic, Tails and Amy are depicted in their modern designs. The devs apparently didn't feel like making alternate models for a few seconds worth of footage. This wasn't really a problem until Sonic Generations came out and established that the characters used to look like their classic designs in their younger years, though.
    • In Sonic Adventure 2, there are numerous cutscenes which show Shadow fifty years ago. Throughout the game, he acquires numerous bits of equipment, and the items you've got are visible on his character model even in the flashback cutscenes.
  • Soulcalibur: Broken Destiny's version of Yoshimitsu strongly resembles his Tekken 6 appearance, where he looks like an alien rather than a samurai which is what he's supposed to be in the Soul series (it takes place centuries earlier). In the first Tekken, Yoshimitsu looks more like a knight, which is more consistent with how he would have looked when the Soul series is set. Justified by the fact that the Yoshimitsu in both series are separate individuals bearing the same name. As theorized for years and finally confirmed in Soulcalibur V (which included a "Yoshimitsu the Second," the successor to the Yoshimitsu in the preceding four games), the leader of the Manji clan is whomever has ownership of a particular sword, also named Yoshimitsu, which is earned by defeating the previous Yoshimitsu in a Duel to the Death and assuming their name, allowing the cursed katana to accept them as their rightful wielder. The new Yoshimitsu then adopts the mannerisms, fighting style, and identity of their predecessor, thus continuing on the folk legend of Yoshimitsu. Beyond this, Yoshimitsu's design almost always changes between games (Tekken Tag Tournament is the only exception to date, reusing his T3 attire), and quite drastically. Even in his Soulcalibur appearances, where he conforms to a samurai-influenced aesthetic, does Yoshimitsu look wildly different between games.
  • Averted in Crisis Core: Final Fantasy VII, where despite having undergone Flanderization in sequels and spin-offs, Cloud acts really close to his original characterisation (or at least as close as you'd reasonably expect considering how much younger he is). Aerith also returns to being bossy and intelligent rather than being Incorruptible Pure Pureness and Yuffie goes back to being sneaky, sarcastic and manipulative rather than a goofy Genki Girl.
  • Portal 2 changes the design on many items such as the elevators and the Material Emancipation Grills, yet when you return to destroyed areas from the first game they are fitted with the new design. Visiting "Old Aperture" later on reveals that these new designs were apparently in use in test chambers from decades before the first game took place. The devs specifically avoided this with the original, burn-marked but intact Companion Cube, though.
  • Mario & Luigi Superstar Saga + Bowser's Minions updates the standard Mario characters and species to resemble their equivalents in later RPGs, leading to things like the Toads being made into mere palette swaps and quite a few monsters being given designs based on the main series rather than the original game. It also brings over the Elite Trio and Dr Toadley from Bowser's Inside Story too, opening up a few plot holes in the process (the former are wearing outfits that mark their promotion in Dream Team, the latter apparently never met the Mario Bros before Bowser's Inside Story).
  • The recent Mortal Kombat games are guilty of this. The story of Mortal Kombat 9 picks up right after the previous game, but none of the characters look as they did in Armageddon when we rewind and go back to the first tournament (Johnny has short brown hair rather than the longer blondish hair he had at the time, Sonya wears her black leather outfit and has her hair in a long ponytail instead of wearing a bomber jacket and having her hair shorter, etc). And Mortal Kombat X flashes back to the Mortal Kombat II part of MK9, and the characters look as they do in MKX rather than MK9!
  • Applied across the board in Ratchet & Clank (2016). The characterization of Ratchet, Clank and Qwark are much more similar to that of the PS3 titles, with Clank being more street-smart, Qwark being bumbling but not outright evil, and Ratchet having dreams of becoming a hero, a desire not introduced until All 4 One where he already became a hero. This also applies to the overall lore and worldbuilding that incorporates many developments that occurred since the original game: races like Fongoids and Tharpods from the later games appear, and companies like GrummelNet and Megacorp also have a presence far earlier than in the video games. Even the Protopet from the second game gets a tease far earlier than before.
  • Solid Snake in the original Metal Gear Solid was extremely buff, but relatively compact, suiting someone who did have to crawl through air vents as part of his job description (his body was modelled on Jean-Claude Van Damme). In Metal Gear Solid 2: Sons of Liberty he has a thicker physique, which was intended to indicate him ageing from early 30s to middle-age and putting on weight. In Metal Gear Solid 3: Snake Eater, his father Big Boss is buffer still, compared in the casting sheet to an Arnold Schwarzenegger type. Several later appearances of the character outside of the core series buff up Solid to his father's level, such as his appearance in Super Smash Bros. Brawl, and his frighteningly muscular render for The Legacy Collection where his biceps are significantly thicker than his entire head.

    Web Animation 
  • Zig-zagged in Red vs. Blue. Caboose is implied to have gotten to his current stupidity after he got possessed by an evil AI at the end of Season 1. Yet two episodes with flashbacks before that (in seasons 3 and 14) he's already depicted with his Simpleton Voice and mannerisms. The flashbacks also have Sarge speaking in his Southern drawl instead of the R. Lee Ermey-esque ruff talk from Season 1. On the other hand, the Origins Episode in season 14 displays an inconsistent dynamic from the first episode, where Sarge seemingly likes Grif better than Simmons (when later Sarge would display a borderline homicidal hatred for Grif, while respecting Simmons for being a sycophantic Number Two).

  • This happens in MS Paint Masterpieces, where Ferretvision and current strips contradict each other. In this case, though, it's a conscious retcon.

    Western Animation 
  • DC Animated Universe:
    • When Mr. Freeze was cloned in Batman Beyond, he was depicted as still being bald despite having hair when we see a pre-Freeze Victor Fries in Batman: The Animated Series — though considering the clone later redeveloped Freeze's inability to tolerate warm temperatures, maybe it was a sign of Clone Degeneration.
  • Batman: Return of the Caped Crusaders, a tie-in movie to the '60s Batman show, has a mention of Alfred as having worked for the Waynes since Bruce was a child. However, this was an idea introduced post-Crisis on Infinite Earths with Batman: Year One, which was around 20 years after the show ended, and pre-CoIE, Alfred only joined Bruce's employ after Dick Grayson became Robin.
  • In the Avatar: The Last Airbender episode "The Western Air Temple", there's a flashback scene showing Zuko and Iroh a few weeks after their banishment, searching the temple to see if it's where the Avatar has been hiding. Iroh's voice actor had to be replaced during the second season, as Mako Iwamatsu passed away. Hearing the new voice come out in a scene set pre-S3 was very jarring for some fans.
  • Ninjago: In a few of the Tales from the Monastery of Spinjitzu shorts, flashbacks to new Season 1 and 2 era adventures show the ninja in their current forms. Lampshaded and justified in "Elemental Rider" where the memory is shown via "enhanced visual augmentation" (see the quote below). It's also explained by one of the creators that "the stories are memories, fantasies, dreams, visual augmentations which means they are saturated by the ninja's current state of mind and self image."
    Kai: Hey, we didn't look like that back then.
    Zane: I told you, it was an enhanced visual augmentation.
    Kai: Whatever.
  • The Star Wars: The Clone Wars revival in 2019 was slightly rewritten to reflect changes made in canon since its cancellation in 2013/2014, such as adding references to Star Wars Rebels (the inclusion of Ursa, cameos from Depa Billaba and Caleb/Kanan), Solo (cameo from Dryden Vos), and The Mandalorian (Maul commenting that Mandalorians aren't meant to live in the sewers).
  • Garnet from Steven Universe is introduced as completely stoic and emotionally closed off, but becomes more friendly, snarky and open with her emotions as the show goes on. Later on, flashbacks from before Steven was born continue portraying her as friendly and laid back. Many fans took this to imply that she was hardened after the death of Rose Quartz. But then the episode "Three Gems and a Baby" (which takes place shortly after Rose's death) was released and Garnet is once again warm and maternal, seemingly retconning her original cold persona into a case of Characterization Marches On.
  • Much like Batman in Justice League vs. the Fatal Five, the 2003 version of Robin is seen using a similar The Dark Knight Trilogy and Arkham-inspired glider cape in Teen Titans Go! vs. Teen Titans.