That Time I Got Reincarnated as a Slime
Season 4
202624 episodes
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
E1New Days
9.12026-04-03 · 24m
Tempest is thriving after the success of its festival, but unexpected trouble has arisen with the new dungeon.
E2The Dungeon Evolves
8.82026-04-10 · 24m
Rimuru and his trusted companions discuss ideas for improving the dungeon.
E3The Avatar Team Is Formed
7.92026-04-17 · 24m
Rimuru, Ramiris, Veldora, and Milim work on perfecting their avatars before facing Team Green Fury.
E4Invitation
8.02026-04-24 · 24m
The Council of the West deliberates on whether to grant membership to Tempest.
E5The First Step
8.02026-05-08 · 24m
Rimuru attends the meeting that will determine Tempest's membership in the Council of the West.
E6The Council of the West
8.32026-05-15 · 24m
A list of unreasonable demands from the Council makes Rimuru realize that a deeper plot is in motion.
E7The Mastermind's Identity
8.22026-05-22 · 24m
An interrogation of Prince Elric's would-be shooter reveals who's pulling the strings behind the Council.
E8The Groundwork of Greed
7.62026-05-29 · 24m
Glenda reveals all she knows about the Council and the Rozzos, and Rimuru prepares to inspect ancient ruins.
E9Investigating the Ruins
8.42026-06-05 · 24m
The investigation of the ancient ruins of Amrita begins.
E10The Master of Greed
8.22026-06-12 · 24m
Rimuru and Mirabel come face-to-face at last in the ancient ruins.
E11Milim's Friend
9.22026-06-19 · 24m
Rimuru helps Milim confront the Chaos Dragon, a corrupted form of the baby dragon that was once her friend.
E12Tempest Evolves
7.22026-06-26 · 24m
Rimuru shares his plans for Tempest's future, including a new system of government and Council representation.
E13New Companions
6.52026-07-03 · 24m
Ramiris and Veldora are feeling overworked, so they ask Rimuru to find assistants for them.
E14The Black Numbers
7.52026-07-10 · 24m
Diablo returns with new demon subordinates to add to Tempest's ranks.
E15An Unsettling Feeling
7.02026-07-17 · 24m
As Tempest continues to grow and evolve, the Moderate Harlequin Alliance approaches Demon Lord Leon.
E16Gran, the Hero of Dawn
8.02026-07-24 · 24m
Luminus meets with Rimuru to discuss Gran and future plans.
E17Lubelius, the Point of Convergence
8.02026-08-07 · 24m
While Leon seeks Elmesia's help in finding Chloe, Granville's forces invade Lubelius.
E18Turbulence in the West
8.02026-08-14 · 24m
An army of demons advances from the north, leaving the Western Nations in turmoil.
E19Death and Loss
9.02026-08-21 · 24m
Granville's true plan is revealed, but it may already be too late to stop it.
E20Chronoa the Hero (1)
9.82026-08-28 · 24m
When Chloe's Time Traveler skill kicks in, Hinata's soul is sent to the past along with her.
E21Chronoa the Hero (2)
9.22026-09-04 · 24m
Chloe and Hinata meet Luminus and begin their journey as Chronoa.
E22Where the Soul Resides
9.02026-09-11 · 24m
Chronoa is freed from her seal—not as a Hero, but as an avatar of destruction.
- E23
Granville's Hope
2026-09-18
No episode synopsis available yet.
- E24
Episode 24
2026-09-25
No episode synopsis available yet.