Corporate worker Mikami Satoru is stabbed by a random killer, and is reborn to an alternate world. But he turns out to be reborn a slime! Thrown into this new world with the name Rimuru, he begins his quest to create a world that’s welcoming to all races.
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see all options Availability data: JustWatch
- Seasons
- 4
- Episodes aired
- 93
- Latest aired
- S04E21
- Total runtime
- 1d 13h
Timeline when each season aired
- Season 1 October 2018 – March 2019 24 episodes
- the show was away for 1 year and 10 months
- Season 2 January 2021 – September 2021 24 episodes
- the show was away for 2 years and 6 months
- Season 3 April 2024 – September 2024 24 episodes
- the show was away for 1 year and 6 months
- Season 4 April 2026 – September 2026 24 episodes
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S04E01 New Days
April 3 · 24min find the promo
Show synopsis
Tempest is thriving after the success of its festival, but unexpected trouble has arisen with the new dungeon.
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S04E02 The Dungeon Evolves
April 10 · 24min find the promo
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Rimuru and his trusted companions discuss ideas for improving the dungeon.
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S04E03 The Avatar Team Is Formed
April 17 · 24min find the promo
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Rimuru, Ramiris, Veldora, and Milim work on perfecting their avatars before facing Team Green Fury.
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S04E04 Invitation
April 24 · 24min find the promo
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The Council of the West deliberates on whether to grant membership to Tempest.
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S04E05 The First Step
May 8 · 24min find the promo
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Rimuru attends the meeting that will determine Tempest's membership in the Council of the West.
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S04E06 The Council of the West
May 15 · 24min find the promo
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A list of unreasonable demands from the Council makes Rimuru realize that a deeper plot is in motion.
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S04E07 The Mastermind's Identity
May 22 · 24min find the promo
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An interrogation of Prince Elric's would-be shooter reveals who's pulling the strings behind the Council.
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S04E08 The Groundwork of Greed
May 29 · 24min find the promo
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Glenda reveals all she knows about the Council and the Rozzos, and Rimuru prepares to inspect ancient ruins.
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S04E09 Investigating the Ruins
June 5 · 24min find the promo
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The investigation of the ancient ruins of Amrita begins.
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S04E10 The Master of Greed
June 12 · 24min find the promo
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Rimuru and Mirabel come face-to-face at last in the ancient ruins.
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S04E11 Milim's Friend
June 19 · 24min find the promo
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Rimuru helps Milim confront the Chaos Dragon, a corrupted form of the baby dragon that was once her friend.
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S04E12 Tempest Evolves
June 26 · 24min find the promo
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Rimuru shares his plans for Tempest's future, including a new system of government and Council representation.
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S04E13 New Companions
July 3 · 24min find the promo
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Ramiris and Veldora are feeling overworked, so they ask Rimuru to find assistants for them.
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S04E14 The Black Numbers
July 10 · 24min find the promo
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Diablo returns with new demon subordinates to add to Tempest's ranks.
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S04E15 An Unsettling Feeling
July 17 · 24min find the promo
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As Tempest continues to grow and evolve, the Moderate Harlequin Alliance approaches Demon Lord Leon.
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S04E16 Gran, the Hero of Dawn
July 24 · 24min find the promo
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Luminus meets with Rimuru to discuss Gran and future plans.
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S04E17 Lubelius, the Point of Convergence
August 7 · 24min find the promo
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While Leon seeks Elmesia's help in finding Chloe, Granville's forces invade Lubelius.
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S04E18 Turbulence in the West
August 14 · 24min find the promo
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An army of demons advances from the north, leaving the Western Nations in turmoil.
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S04E19 Death and Loss
August 21 · 24min find the promo
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Granville's true plan is revealed, but it may already be too late to stop it.
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S04E20 Chronoa the Hero (1)
August 28 · 24min find the promo
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When Chloe's Time Traveler skill kicks in, Hinata's soul is sent to the past along with her.
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S04E21 Chronoa the Hero (2)
September 4 · 24min find the promo
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Chloe and Hinata meet Luminus and begin their journey as Chronoa.
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S04E22 Where the Soul Resides
September 11 find the promo
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S04E23 Episode 23
September 18 find the promo
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S04E24 Episode 24
September 25 find the promo