That Time I Got Reincarnated as a Slime Season 4
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
E1Tempest is thriving after the success of its festival, but unexpected trouble has arisen with the new dungeon.
E2Rimuru and his trusted companions discuss ideas for improving the dungeon.
E3Rimuru, Ramiris, Veldora, and Milim work on perfecting their avatars before facing Team Green Fury.
E4The Council of the West deliberates on whether to grant membership to Tempest.
E5Rimuru attends the meeting that will determine Tempest's membership in the Council of the West.
E6A list of unreasonable demands from the Council makes Rimuru realize that a deeper plot is in motion.
E7An interrogation of Prince Elric's would-be shooter reveals who's pulling the strings behind the Council.
E8Glenda reveals all she knows about the Council and the Rozzos, and Rimuru prepares to inspect ancient ruins.
E9The investigation of the ancient ruins of Amrita begins.
E10Rimuru and Mirabel come face-to-face at last in the ancient ruins.
E11Rimuru helps Milim confront the Chaos Dragon, a corrupted form of the baby dragon that was once her friend.
E12Rimuru shares his plans for Tempest's future, including a new system of government and Council representation.
E13Ramiris and Veldora are feeling overworked, so they ask Rimuru to find assistants for them.
E14Diablo returns with new demon subordinates to add to Tempest's ranks.
E15As Tempest continues to grow and evolve, the Moderate Harlequin Alliance approaches Demon Lord Leon.
E16Luminus meets with Rimuru to discuss Gran and future plans.
E17While Leon seeks Elmesia's help in finding Chloe, Granville's forces invade Lubelius.
E18An army of demons advances from the north, leaving the Western Nations in turmoil.
E19Granville's true plan is revealed, but it may already be too late to stop it.
E20When Chloe's Time Traveler skill kicks in, Hinata's soul is sent to the past along with her.
E21Chloe and Hinata meet Luminus and begin their journey as Chronoa.
E22Chronoa is freed from her seal—not as a Hero, but as an avatar of destruction.
E23Shion and Ranga continue to battle Razul while Rimuru struggles to save Chloe and Hinata.
E24Rimuru has Raphael interfere in Chronoa's Unlimited Imprisonment skill to save Hinata and Chloe.