List of That Time I Got Reincarnated as a Slime episodes

That Time I Got Reincarnated as a Slime is an anime television series based on the light novel series of the same title written by Fuse and illustrated by Mitz Vah. The series follows a man who dies and is reincarnated in another world as a slime named Rimuru. The anime is produced by Eight Bit and directed by Yasuhito Kikuchi, with Atsushi Nakayama as assistant director, Kazuyuki Fudeyasu handling series composition, Ryouma Ebata designing the characters, and Takahiro Kishida providing monster designs. Elements Garden is composing the series' music. The 24-episode series aired from October 2, 2018, to March 19, 2019, on Tokyo MX and other networks. The anime series is simulcast by Crunchyroll, with Funimation streaming an English dub as it airs. An original animation DVD (OAD) was originally scheduled to be released on March 29, 2019, bundled with the 11th manga volume, but it was delayed to December 4, 2019, bundled with the 13th manga volume. A second original animation DVD released on July 9, 2019, bundled with the 12th manga volume. Three more original animation DVDs have been announced, with the third OAD being released on March 27, 2020, bundled with the 14th manga volume. The fourth OAD was bundled with the 15th manga volume, which released on July 9, 2020. The fifth OADs was bundled with 16th manga volume, which released on November 11, 2020.

A second season was announced to be a split-cour anime, and the first half was scheduled to premiere in October 2020, but has been delayed to January 2021 due to COVID-19. The second half was also delayed from April to July 2021. The first half aired from January 12 to March 30, 2021, and the second half aired from July 6 to September 21, 2021. Eight Bit returned to animate the series, with the staff and cast members reprising their roles.

A spin-off anime series based on the Slime Diaries: That Time I Got Reincarnated as a Slime manga was scheduled to premiere in January 2021 but was delayed to April 2021 due to COVID-19. The series aired from April 6 to June 22, 2021. Eight Bit also animated the series, with Yuji Ikuhara directing the series, Kotatsumikan writing the scripts, Risa Takai and Atsushi Irie as character designers, and R.O.N composing the music.

A three-episode original net animation (ONA) series, titled Visions of Coleus, was announced on February 19, 2023, and premiered on November 1, 2023. The staff from the second season reprised their roles along with Toshizo Nemoto handling series composition. The opening theme song, "Hikaru Hanatsu", is performed by Takuma Terashima, while the ending theme song is performed by Miho Okasaki.

A third season was announced in November 2022 and premiered on April 5, 2024 from Nippon TV and its affiliates, as well as BS11. The staff from the second season and the Visions of Coleus ONA series are returning to reprise their roles.

The Slime Diaries (2021)
A more light hearted series showing the day-to-day lives of those in Tempest; taking place in the gaps between major events.

Visions of Coleus (2023)
A three episode-OVA that takes place between seasons 1 and 2.