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That Time I Got Reincarnated as a Slime

TV anime2018–Airing4 seasonsOriginal: light novelFuse

Over 62 million copies

Corporate worker Mikami Satoru is stabbed by a random killer, and is reborn to an alternate world. But he turns out to be reborn a slime! Thrown into this new world with the name Rimuru, he begins his quest to create a world that’s welcoming to all races.

As of Ep 24, continue with Vol. 12

Season 4 is airing; we’ll re-check once the season ends.

Book language
EditionYen On
That Time I Got Reincarnated as a Slime Season 1 anime poster

Season 1

Medium confidence

24 episodesOct 2018 – Mar 2019

Anime ends at
Ep 24Original: Vol. 3

Season 2 goes back to parts of this book, so some of its events reach the screen in a different order than in the books.

That Time I Got Reincarnated as a Slime, Vol. 4 (light novel)

Yen OnEnglishPaperback

Also in other languages:

Where it stops:

5 side entriesOVAONA ×2RecapTVreading notes
  1. OADOVA5 episodesJul 2019 – Nov 2020Five original OAD side stories accompany Season 1, including Rimuru’s teaching adventures. They do not establish a new endpoint in the main light novels.
  2. Visions of ColeusONA3 episodesNov 2023A three-episode adventure set between Seasons 1 and 2, based on Fuse’s bonus novel included with the Season 2 Blu-rays. It is separate from the main numbered light-novel continuation.
  3. Sukuwareru RamirisONA2 episodesMar 2022 – Jul 2022A two-part short story associated with Season 1. These extra scenes do not establish an independent light-novel continuation.
  4. Veldora's JournalRecap1 episodeMar 2019A recap accompanying Season 1; use the main season’s reading route.
  5. The Slime DiariesTV12 episodesApr 2021 – Jun 2021A 12-episode daily-life spin-off about Rimuru and the residents of Tempest. Watch it as a companion to Season 1; it does not advance the main light novels or establish a continuation volume.
That Time I Got Reincarnated as a Slime Season 2 anime poster

Season 2

Medium confidence

24 episodesJan 2021 – Sep 2021

Anime ends at
Ep 24Original: Vol. 6

The anime cuts much of the world-building and lore of the light novels, so the earlier books are worth reading for the detail the seasons leave out.

That Time I Got Reincarnated as a Slime, Vol. 7 (light novel)

Yen OnEnglishPaperback

Also in other languages:

Where it stops:

3 side entriesFRecap ×2reading notes
  1. Scarlet BondFNov 2022Scarlet Bond is an anime-original film. A separate starting point in the main light novels has not been established.
  2. Digression: Hinata SakaguchiRecap1 episodeJan 2021A recap leading into Season 2, not a completed season or a separate reading endpoint.
  3. Tales: Veldora's Journal 2Recap1 episodeJun 2021A recap of the first part of Season 2; it does not establish a separate light-novel continuation.
That Time I Got Reincarnated as a Slime Season 3 anime poster

Season 3

Low confidence

24 episodesApr 2024 – Sep 2024

Anime ends at
Ep 24

Season 4’s first two cours carry the story up to the start of Volume 12, so the next two books overlap with episodes that have already aired.

Provisional start: That Time I Got Reincarnated as a Slime, Vol. 10 (light novel)

Yen OnEnglishPaperback

Also in other languages:

Where it stops:

3 side entriesFRecap ×2reading notes
  1. Tears of the Azure SeaFFeb 2026Tears of the Azure Sea is an anime-original film. A separate starting point in the main light novels has not been established.
  2. Digression: Diablo's JournalRecap1 episodeMar 2024A recap leading into Season 3, with no independent reading endpoint.
  3. Digression: Luminus MemoriesRecap1 episodeAug 2024A recap accompanying Season 3, not a new adaptation endpoint.
That Time I Got Reincarnated as a Slime Season 4 anime poster

Season 4

AiringMedium confidence

Apr 2026

Aired so far
Ep 24

This reading point covers only the first two cours; Season 4 continues with its third cour in July 2027.

Provisional start: That Time I Got Reincarnated as a Slime, Vol. 12 (light novel)

Yen OnEnglishPaperback

All 11 books from Vol. 12 to Vol. 22
  1. Vol. 12Buy on Amazon
  2. Vol. 13Buy on Amazon
  3. Vol. 14Buy on Amazon
  4. Vol. 15Buy on Amazon
  5. Vol. 16Buy on Amazon
  6. Vol. 17Buy on Amazon
  7. Vol. 18Buy on Amazon
  8. Vol. 19Buy on Amazon
  9. Vol. 20Buy on Amazon
  10. Vol. 21Buy on Amazon
  11. Vol. 22Buy on Amazon

Also in other languages:

Original · Light novel

That Time I Got Reincarnated as a Slime

転生したらスライムだった件

FuseMicro MagazineCompleted23 volumes

Series copies in print

Over 62 million copies

Official anime site · October 2026

All volumes

Before you read

Suggested reading (English · Yen On): Season 1 ends at Ep 24. Continue with Vol. 4. Reading notes: Season 2 goes back to parts of this book, so some of its events reach the screen in a different order than in the books.

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