Summary

Usually, anime that get popular enough to get a sequeldon’t deviate too far from their basic premise. Anime sequels don’t want to alienate their previous audience by shaking things up too much, so while some things may change in the sequel, things like tone and style won’t be all that different from the original.

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Sometimes, anime sequels might take a left turn and make a drastic change in tone, becoming much darker in comparison to the original series. While it might be a shock to fans of the previous series, it may also be a refreshing change that makes the sequel stand out compared to the original. Here are some anime sequels that went dark in comparison to their predecessors.

8Digimon Ghost Game

Digimonhas certainly flirted with dark themes over the course of its long life,with elements of horror and psychological trauma existing in nearly every entry. The newest entry in the franchise,Digimon Ghost Game, takes it one step further, being a horror-influenced take on the concept.

Digimon Ghost Gameisn’t the darkest anime out there, but it certainly gives previousDigimonentries a run for their money. The Digimon inGhost Gameare often the subject of horrific urban legends that inflict horrible fats on unsuspecting victims, forcing the main crew to investigate what exactly is causing such supernatural phenomenon.

Digimon Ghost Game anime

7Casshern Sins

Tatsunoko Productions is well known for producing a litany of classic 70s superhero anime such asScience Team GatchamanandSpace Knight Tekkaman.Neo Human Casshernis another superhero series by Tatsunoko that aired in the 70s featuring the formerly human Casshern who became an android to fight evil robots.

The series received a reboot in the form ofCasshern Sins, which tells a much darker story about a post-apocalyptic world where an amnesiac Casshern is being constantly hunted by robots seeking immortality. While it is wildly different from the original, it would be a mistake for fans to ignore it.

Character posing on the cover of Casshern Sins

Bubblegum Crisisis an iconic cyberpunk anime series from the 80s aboutan all-female group of mercenaries known as the Knight Sabers. The series followed them as they fought the secret machinations of Genom, a megacorporation responsible for creating cyborgs called boomers.

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Bubblegum Crisiswas a rather dark series for its time, but the prequelAD Police Filestakes things a step further. While it was canceled with only 3 released episodes, the series shows a grittier, crime-laden MegaTokyo without the Knight Sabers to help clean up crime.

5Cells At Work! CODE BLACK

The originalCells at Work!is a half-educational, half-comedic story about anthropomorphic cellsdoing their best to keep a body alive. The series got popular due to its scientific focus and cute designs, and naturally the series spawned several spin-offs.

Cells at Work! CODE BLACKis much darker take on theCells at Work!formula, this time taking place in a body that has been ravaged by disease, vice, and neglect. The world ofCODE BLACKis shown as violent, gory, and gruesome, though the characters still hope they will see better days.

AD Police Files

4Fuuto PI

Fuuto PIis a rather unique example here as it is not a sequel to another anime, but a live-action tokusatsu series calledKamen Rider W.Kamen Rideris a series normally targeted towards young children, so while it does tackle dark subjects, it rarely gets that graphic.

Fuuto PI, however, is completely different. It is much more graphic when it comes to violence, even featuring murders when the original series lacked such serious cases. Despite this, fans of the original should surely enjoy this sequel.

Cells at Work! Code Black anime

3Dragon Ball Z

The originalDragon Ballanime was a mix of adventure and comedy. Most of the villains were goofy and silly, and danger was never all that present. While later arcs turnedDragon Ballinto a more action-focused series with real consequences, the general feel of the series remained light-hearted.

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Dragon Ball Zmarks a huge change in the series' tone,turning it from a whimsical fantasy adventure story to an epic sci-fi drama, with more focus on action and graphic violence than ever before. While many aspects of the previous series remained,Dragon Ball Zis almost an entirely different show.

2Mobile Suit Zeta Gundam

The originalMobile Suit Gundamwas fairly dark for its time, featuring a more realistic interpretation of the classic mecha formula of a young man piloting a giant robot. The series was a landmark in mecha anime and launched theGundamfranchise.

Mobile Suit Zeta Gundamcame out several years later and was much darker than evenMobile Suit Gundam, featuring more deaths, more tragedy, and more violence than the original series.Zeta Gundamhelped to establish the franchise’s popularity,helping it maintain itself as a mainstay of anime for quite some time.

Fuuto PI anime

1Fate/Zero

The very firstFate/stay nightanime series, released in 2004, featured only one route from the original visual novel. That route featured Saber as the main heroine, and showed her and her master Shiro Emiya as they fight in the Holy Grail War.

Fate/Zerois a prequel toFate/stay night, featuring the events of the previous Holy Grail War. Unlike the original,Zerois much darker and more gruesome, featuring more cynical and cruel masters in comparison to the ones found in the original series. Despite its darkness,Fate/Zerois a beloved entry in the franchise,and a commonly recommended starting point.

Gohan and Goku in Dragon Ball Z

MSG Hathaway Zeta Gundam preparing to fire its beam rifle

Fate Zero