Season 4

April 3, 2026

Demon Lord Rimuru's dream of creating an alliance between humans and monsters takes a step closer to being realized. As Tempest continues to prosper, Granville Rozzo and his granddaughter, Maribel Rozzo, clash with Demon Lord Rimuru over their plan to protect mankind by ruling over them. Meanwhile, in El Dorado, Demon Lord Leon works toward goals of his own. The awakening of a new Hero draws near!

24 Episodes

Episodes

E1 ★ 9.3

New Days

April 3, 2026

Tempest is thriving after the success of its festival, but unexpected trouble has arisen with the new dungeon.

E2 ★ 9.0

The Dungeon Evolves

April 10, 2026

Rimuru and his trusted companions discuss ideas for improving the dungeon.

The Avatar Team Is Formed

April 17, 2026

Rimuru, Ramiris, Veldora, and Milim work on perfecting their avatars before facing Team Green Fury.

Season 4

Episodes

New Days

The Dungeon Evolves

The Avatar Team Is Formed

Invitation

Episode 5

Episode 6

Episode 7

Episode 8

Episode 9

Episode 10

Episode 11

Episode 12

Episode 13

Episode 14

Episode 15

Episode 16

Episode 17

Episode 18

Episode 19

Episode 20

Episode 21

Episode 22

Episode 23

Episode 24