Ranked #136 among TV seriesFinished

That Time I Got Reincarnated as a Slime Season 4

Tensei Shitara Slime Datta Ken 4th Season Part 1 & 2

転生したらスライムだった件第4期第1&2クール

8.32026·TV·24 episodes·24 min per ep

Action Adventure Comedy Fantasy Kingdom Management Isekai Ensemble Cast Magic Politics Demons

Watch trailer

Opening & ending songs

Score

8.30

28K ratings

Ranked

#136

top-rated TV series

Popularity

#408

most-watched TV series

Watchers

147.4K

on their list

Favorites

5.7K

starred it

Synopsis

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)

Details

That Time I Got Reincarnated as a Slime Season 4 is a 24-episode TV series produced by 8-bit, adapted from the light novel, first broadcast in Spring 2026.

Type: TV
Aired: 2026-04-03 to 2026-09-25
Season: Spring 2026
Episodes: 24
Duration: 24 min per ep
Source: Light novel
Studio: 8-bit
Producers: Bandai Namco Filmworks, Kodansha, Micro Magazine Sha, Bandai Namco Music Live

Theme songs

2 openings and 2 endings from That Time I Got Reincarnated as a Slime Season 4, and who performed each

The openings of That Time I Got Reincarnated as a Slime Season 4 are “Esoragoto” by Eir Aoi and “TACTIC” by DAOKO. Its endings are “Katsubou” by CiON and “Walk on you way” by Azusa Tadokoro.

Song titles link to Amazon Music.

Openings

OP1
Esoragoto
- Eir Aoi · performance
- Ayato Shinozaki · composition, arrangement
- Ryousuke Tachibana · composition, arrangement
- Takanori Mizoguchi · lyrics
OP2
TACTIC
- DAOKO · performance, lyrics
- Giga · composition, arrangement
- TeddyLoid · composition, arrangement