That Time I Got Reincarnated as a Slime Season 4

That Time I Got Reincarnated as a Slime Season 4 continues Rimuru's journey as he pursues his ambitious goal of forging peace between humanity and monsters. The fourth season picks up as tensions rise over how this coexistence should be achieved, with the Rozzo family challenging Rimuru's vision for Tempest while other powerful forces work toward their own objectives. The awakening of a new Hero looms, suggesting major conflicts ahead. Season 4 is a full-length TV series with twenty-four episodes airing throughout spring 2026, starting April 3rd. The series maintains the blend of action, adventure, comedy, and fantasy that defines the franchise, making it essential viewing for fans invested in Rimuru's world-building ambitions and the broader political conflicts shaping this fantasy setting.

New episodes release weekly, with episode twenty-three scheduled for September 18, 2026. Viewers following the series right now are in the middle of the season's story developments. Whether you're caught up from earlier seasons or jumping in, this installment focuses heavily on the tensions between different factions and ideologies rather than just monster-slaying adventures, deepening the narrative complexity established in previous seasons.