Rimuru Tempest
main character
TV
8.3
My TrackerPLANNING
Episode: 0 / 24
My Score:
Anime DetailsFINISHED
Estimated watch time
9h 36m
⚡ 5 days at 5 eps/day
Tags & Tropes
Kingdom Management97%Isekai93%Time Loop90%Ensemble Cast88%Magic85%Politics82%Demons76%Conspiracy72%Henshin70%Male Protagonist64%
TVFINISHED2026 SPRING8.3 / 10 AniList score
That Time I Got Reincarnated as a Slime Season 4
転生したらスライムだった件 第4期 第1&2クール• Tensei Shitara Slime Datta Ken 4th Season Part 1 & 2
Synopsis & Story
Demon Lord Rimuru's dream of creating an alliance between humans and monsters takes a step closer to being realized. As Tempest continues to prosper, Granville Rozzo and his granddaughter, Maribel Rozzo, clash with Demon Lord Rimuru over their plan to protect mankind by ruling over them. Meanwhile, in El Dorado, Demon Lord Leon works toward goals of his own. The awakening of a new Hero draws near! (Source: Crunchyroll News)
Trailer
Watch on YouTubeWhere to Watch Officially
Availability, audio and subtitles vary by region and service.
Featured Cast & Voice Actors
Franchise Universe & Related Entries
Aniphoria guide
That Time I Got Reincarnated as a Slime Season 4: should you watch it?
At a glance
That Time I Got Reincarnated as a Slime Season 4 has been very well received, with an average AniList score of 83/100 — 81% of 21,942 ratings are 8/10 or higher.
It ranks #14 highest-rated anime of 2026, and #7 most popular anime of 2026, and #2 highest-rated anime of Spring 2026 on AniList.
Of the 108.9K AniList users who started it, 0.8% dropped it, so it is very rarely abandoned; 45.9K have finished it.
At about 9 h 36 min in total, plan on one to two weeks at a couple of episodes a day.
Best for viewers who enjoy Action, Adventure, Comedy — especially kingdom management, isekai, time loop, ensemble cast.
Where it fits in the series
- Watch first: That Time I Got Reincarnated as a Slime Season 3 (2024)
- Watch next: Tensei Shitara Slime Datta Ken 4th Season Part 3 (2027)
Episodes
24 episodes are listed.
Main cast & creators
- Original creator
- Fuse
- Original creator
- Taiki Kawakami
- Director
- Naokatsu Tsuda
- Series composition
- Hitomi Ogawa
- Character design
- Ryouma Ebata
- Music
- Ryuuta Iida
Opening & ending themes
Openings
- OP1“Esoragoto” by Eir Aoi · eps 1-
- OP2“TACTIC” by Daoko · eps 13-
Endings
- ED1“Katsubou” by CiON · eps 1-
- ED2“Walk on you way” by Eir Aoi · eps 12
- ED3“Hymnal” by Azusa Tadokoro · eps 13-
Theme data from AnimeThemes.moe.
That Time I Got Reincarnated as a Slime Season 4 FAQ
- How many episodes does That Time I Got Reincarnated as a Slime Season 4 have?
- That Time I Got Reincarnated as a Slime Season 4 has 24 episodes of about 24 minutes each, roughly 9 h 36 min in total.
- How long does it take to watch That Time I Got Reincarnated as a Slime Season 4?
- About 9 h 36 min back to back. At two episodes a day it takes 12 days; at one hour a day, about 10 days.
- Is That Time I Got Reincarnated as a Slime Season 4 finished?
- Yes. That Time I Got Reincarnated as a Slime Season 4 has finished airing — the final episode aired September 25, 2026.
- Is there a season 2 of That Time I Got Reincarnated as a Slime Season 4?
- Yes — the story continues in Tensei Shitara Slime Datta Ken 4th Season Part 3 (2027).
- What should I watch before That Time I Got Reincarnated as a Slime Season 4?
- Watch That Time I Got Reincarnated as a Slime Season 3 first — That Time I Got Reincarnated as a Slime Season 4 is a direct sequel.
- Is That Time I Got Reincarnated as a Slime Season 4 based on a manga?
- No. That Time I Got Reincarnated as a Slime Season 4 is an original anime story, not adapted from a manga or novel.
- Who animated That Time I Got Reincarnated as a Slime Season 4?
- That Time I Got Reincarnated as a Slime Season 4 was animated by 8-bit and directed by Naokatsu Tsuda.
- Who sings the opening of That Time I Got Reincarnated as a Slime Season 4?
- The opening, "Esoragoto", is performed by Eir Aoi.
- Where can I watch That Time I Got Reincarnated as a Slime Season 4?
- That Time I Got Reincarnated as a Slime Season 4 is listed on Crunchyroll, iQ, YouTube, Bilibili TV, Netflix. Availability varies by region — check the streaming links on this page.