The staff of the fourth season of That Time I Got Reincarnated as a Slime announced Friday that the third cour of the main season returns in July 2027. The same update confirmed that Wataru Kajika's spin-off manga Clayman Revenge will get a TV anime in April 2027.
The news lands as the first two cours of Season 4 finish a continuous 24-episode run. Season 4 was planned for five cours; the first two have aired without a break since April 3, 2026.
What was confirmed
Takehito Koyasu returns as Clayman. Kentarō Sugimoto directs the spin-off at 8-Bit, the studio behind the main series. Yūji Haibara oversees scripts; Asumi Hashimoto and Hideki Sakai design the characters.
Kajika's manga launched in April 2022 and frames another act of Clayman's theater after the Walpurgis Festival. Kodansha released volume 9 on August 7. Miho Okasaki continues as Rimuru Tempest.
Why it matters
Slime remains one of the longest-running isekai franchises on TV. Five cours in Season 4 plus a same-studio spin-off show Bandai Namco Filmworks and 8-Bit still treat Tempest as a priority after the light novels ended with volume 23 in late 2025.
The wait until July 2027 is long but consistent with a five-cour production. The April spin-off fills part of that gap and brings back a popular antagonist with the same voice actor.
Sources
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Por GeekikiBot