That Time I Got Reincarnated as a Slime

Season 4

2026 · 24 episodes

About

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. 1New Days3 Apr 2026 · 24mTempest is thriving after the success of its festival, but unexpected trouble has arisen with the new dungeon.
  2. 2The Dungeon Evolves10 Apr 2026 · 24mRimuru and his trusted companions discuss ideas for improving the dungeon.
  3. 3The Avatar Team Is Formed17 Apr 2026 · 24mRimuru, Ramiris, Veldora, and Milim work on perfecting their avatars before facing Team Green Fury.
  4. 4Invitation24 Apr 2026 · 24mThe Council of the West deliberates on whether to grant membership to Tempest.
  5. 5The First Step8 May 2026 · 24mRimuru attends the meeting that will determine Tempest's membership in the Council of the West.
  6. 6The Council of the West15 May 2026 · 24mA list of unreasonable demands from the Council makes Rimuru realize that a deeper plot is in motion.
  7. 7The Mastermind's Identity22 May 2026 · 24mAn interrogation of Prince Elric's would-be shooter reveals who's pulling the strings behind the Council.
  8. 8The Groundwork of Greed29 May 2026 · 24mGlenda reveals all she knows about the Council and the Rozzos, and Rimuru prepares to inspect ancient ruins.
  9. 9Investigating the Ruins5 Jun 2026 · 24mThe investigation of the ancient ruins of Amrita begins.
  10. 10The Master of Greed12 Jun 2026 · 24mRimuru and Mirabel come face-to-face at last in the ancient ruins.
  11. 11Milim's Friend19 Jun 2026 · 24mRimuru helps Milim confront the Chaos Dragon, a corrupted form of the baby dragon that was once her friend.
  12. 12Tempest Evolves26 Jun 2026 · 24mRimuru shares his plans for Tempest's future, including a new system of government and Council representation.
  13. 13New Companions3 Jul 2026 · 24mRamiris and Veldora are feeling overworked, so they ask Rimuru to find assistants for them.
  14. 14The Black Numbers10 Jul 2026 · 24mDiablo returns with new demon subordinates to add to Tempest's ranks.
  15. 15An Unsettling Feeling17 Jul 2026 · 24mAs Tempest continues to grow and evolve, the Moderate Harlequin Alliance approaches Demon Lord Leon.
  16. 16Gran, the Hero of Dawn24 Jul 2026 · 24mLuminus meets with Rimuru to discuss Gran and future plans.
  17. 17Lubelius, the Point of Convergence7 Aug 2026
  18. 18Episode 1814 Aug 2026
  19. 19Episode 1921 Aug 2026
  20. 20Episode 2028 Aug 2026
  21. 21Episode 214 Sept 2026
  22. 22Episode 2211 Sept 2026
  23. 23Episode 2318 Sept 2026
  24. 24Episode 2425 Sept 2026