Spring 2026 Preview: That Time I Got Reincarnated as a Slime Season 4

The 2026 spring anime season is shaping up to be a busy period for isekai lovers. Hit isekai anime are returning from Re:Zero and Welcome to Demon School! Iruma-kun, to Ascendance of a Bookworm. And before we forget, one of the most popular slimes in all of anime, manga, and light novels, Rimuru Tempest, is also returning in That Time I Got Reincarnated as a Slime Season 4.