Season 4
24 listed episodes · First aired April 3, 2026
Season overview
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!
Episodes
Tempest is thriving after the success of its festival, but unexpected trouble has arisen with the new dungeon.
E2The Dungeon EvolvesRimuru and his trusted companions discuss ideas for improving the dungeon.
E3The Avatar Team Is FormedRimuru, Ramiris, Veldora, and Milim work on perfecting their avatars before facing Team Green Fury.
E4InvitationThe Council of the West deliberates on whether to grant membership to Tempest.
E5The First StepRimuru attends the meeting that will determine Tempest's membership in the Council of the West.
E6The Council of the WestA list of unreasonable demands from the Council makes Rimuru realize that a deeper plot is in motion.
E7The Mastermind's IdentityAn interrogation of Prince Elric's would-be shooter reveals who's pulling the strings behind the Council.
E8The Groundwork of GreedGlenda reveals all she knows about the Council and the Rozzos, and Rimuru prepares to inspect ancient ruins.
E9Investigating the RuinsThe investigation of the ancient ruins of Amrita begins.
E10The Master of GreedRimuru and Mirabel come face-to-face at last in the ancient ruins.
E11Milim's FriendRimuru helps Milim confront the Chaos Dragon, a corrupted form of the baby dragon that was once her friend.
E12Tempest EvolvesRimuru shares his plans for Tempest's future, including a new system of government and Council representation.
E13New CompanionsRamiris and Veldora are feeling overworked, so they ask Rimuru to find assistants for them.
E14The Black NumbersE15Episode 15E16Episode 16E17Episode 17E18Episode 18E19Episode 19E20Episode 20E21Episode 21E22Episode 22E23Episode 23E24Episode 24