That Time I Got Reincarnated as a Slime Season 4

That Time I Got Reincarnated as a Slime: Season 4

24 episodes · 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!

Episodes

  1. 24 min 1. New Days03/04/2026 Tempest is thriving after the success of its festival, but unexpected trouble has arisen with the new dungeon.
  2. 24 min 2. The Dungeon Evolves10/04/2026 Rimuru and his trusted companions discuss ideas for improving the dungeon.
  3. 24 min 3. The Avatar Team Is Formed17/04/2026 Rimuru, Ramiris, Veldora, and Milim work on perfecting their avatars before facing Team Green Fury.
  4. 24 min 4. Invitation24/04/2026 The Council of the West deliberates on whether to grant membership to Tempest.
  5. 24 min 5. The First Step08/05/2026 Rimuru attends the meeting that will determine Tempest's membership in the Council of the West.
  6. 24 min 6. The Council of the West15/05/2026 A list of unreasonable demands from the Council makes Rimuru realize that a deeper plot is in motion.
  7. 24 min 7. The Mastermind's Identity22/05/2026 An interrogation of Prince Elric's would-be shooter reveals who's pulling the strings behind the Council.
  8. 24 min 8. The Groundwork of Greed29/05/2026 Glenda reveals all she knows about the Council and the Rozzos, and Rimuru prepares to inspect ancient ruins.
  9. 24 min 9. Investigating the Ruins05/06/2026 The investigation of the ancient ruins of Amrita begins.
  10. 24 min 10. The Master of Greed12/06/2026 Rimuru and Mirabel come face-to-face at last in the ancient ruins.
  11. 24 min 11. Milim's Friend19/06/2026 Rimuru helps Milim confront the Chaos Dragon, a corrupted form of the baby dragon that was once her friend.
  12. 24 min 12. Tempest Evolves26/06/2026 Rimuru shares his plans for Tempest's future, including a new system of government and Council representation.
  13. 24 min 13. New Companions03/07/2026 Ramiris and Veldora are feeling overworked, so they ask Rimuru to find assistants for them.
  14. 24 min 14. The Black Numbers10/07/2026 Diablo returns with new demon subordinates to add to Tempest's ranks.
  15. 24 min 15. An Unsettling Feeling17/07/2026 As Tempest continues to grow and evolve, the Moderate Harlequin Alliance approaches Demon Lord Leon.
  16. 24 min 16. Gran, the Hero of Dawn24/07/2026 Luminus meets with Rimuru to discuss Gran and future plans.
  17. 24 min 17. Lubelius, the Point of Convergence07/08/2026 While Leon seeks Elmesia's help in finding Chloe, Granville's forces invade Lubelius.
  18. 24 min 18. Turbulence in the West14/08/2026 An army of demons advances from the north, leaving the Western Nations in turmoil.
  19. 24 min 19. Death and Loss21/08/2026 Granville's true plan is revealed, but it may already be too late to stop it.
  20. 24 min 20. Chronoa the Hero (1)28/08/2026 When Chloe's Time Traveler skill kicks in, Hinata's soul is sent to the past along with her.
  21. 24 min 21. Chronoa the Hero (2)04/09/2026 Chloe and Hinata meet Luminus and begin their journey as Chronoa.
  22. 24 min 22. Where the Soul Resides11/09/2026 Chronoa is freed from her seal—not as a Hero, but as an avatar of destruction.
  23. 24 min 23. Granville's Hope18/09/2026 Shion and Ranga continue to battle Razul while Rimuru struggles to save Chloe and Hinata.
  24. 24 min 24. The Hero Awakens25/09/2026 Rimuru has Raphael interfere in Chronoa's Unlimited Imprisonment skill to save Hinata and Chloe.