Rimuru Tempest, the beloved slime-turned-demon lord, is set to embark on his most ambitious adventure yet as That Time I Got Reincarnated as a Slime Season 4 premieres in April 2026 with a groundbreaking five-cour broadcast.
Details revealed on the official anime website and YouTube channel confirm that the fourth season will kick off with a continuous two-cour run starting in April 2026, followed by additional split cours to complete the total of five. This extended structure—uncommon in modern television anime—allows for a deeper and more comprehensive adaptation of the source material, promising viewers an immersive experience spanning potentially over a year.
Studio 8bit returns to animate the season, continuing their work from the previous installments. The story picks up with Rimuru Tempest and the Jura Tempest Federation at a pivotal moment. Following the successful hosting of a grand Founding Festival, the nation strengthens diplomatic relations with surrounding countries. These efforts mark crucial progress toward realizing Rimuru's dream: the establishment of the Human-Monster Co-Prosperity Sphere, a utopian society where humans and monsters live in equality and peace.
Rimuru, the former salaryman reincarnated as a powerful slime, has evolved from a solitary creature into a demon lord and nation leader. Through unique abilities like predation and skill absorption, along with strategic alliances and genuine compassion, Rimuru has built a thriving federation that attracts diverse races, from goblins and orcs to demons and elves. Season 4 is poised to explore escalating challenges as the federation's influence grows, introducing new political intrigue, powerful adversaries, and epic confrontations that test Rimuru's leadership and ideals.
The series, based on Fuse's light novels illustrated by Mitz Vah and adapted into a manga by Taiki Kawakami, has captivated audiences since its debut in 2018. Previous seasons have balanced action, world-building, and humor, turning what began as a simple reincarnation tale into a rich fantasy epic about governance, friendship, and coexistence.
Adding to the excitement, That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea will be released in theaters in Japan on February 27, 2026, with Crunchyroll to distribute it worldwide sometime after.
Crunchyroll describes the anime as follows:
Corporate worker Mikami Satoru is stabbed by a random killer, and is reborn to an alternate world. But he turns out to be reborn a slime! Thrown into this new world with the name Rimuru, he begins his quest to create a world that’s welcoming to all races.
The first three seasons of the That Time I Got Reincarnated as a Slime TV anime are available for streaming on Crunchyroll.
Source: Official website of That Time I Got Reincarnated as a Slime anime and Youtube Livestream
