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That Time I Got Reincarnated as a Slime : Season 4
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Air date: 03 Apr '26 - 24 episodesDemon 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!
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List of Episodes (24)
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That Time I Got Reincarnated as a Slime (2018)
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1. New Days
03 Apr '26Tempest is thriving after the success of its festival, but unexpected trouble has arisen with the new dungeon.
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That Time I Got Reincarnated as a Slime (2018)
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2. The Dungeon Evolves
10 Apr '26Rimuru and his trusted companions discuss ideas for improving the dungeon.
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That Time I Got Reincarnated as a Slime (2018)
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3. The Avatar Team Is Formed
17 Apr '26Rimuru, Ramiris, Veldora, and Milim work on perfecting their avatars before facing Team Green Fury.
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That Time I Got Reincarnated as a Slime (2018)
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4. Invitation
24 Apr '26The Council of the West deliberates on whether to grant membership to Tempest.
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That Time I Got Reincarnated as a Slime (2018)
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5. The First Step
08 May '26Rimuru attends the meeting that will determine Tempest's membership in the Council of the West.
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That Time I Got Reincarnated as a Slime (2018)
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6. The Council of the West
15 May '26A list of unreasonable demands from the Council makes Rimuru realize that a deeper plot is in motion.
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That Time I Got Reincarnated as a Slime (2018)
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7. The Mastermind's Identity
22 May '26An interrogation of Prince Elric's would-be shooter reveals who's pulling the strings behind the Council.
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That Time I Got Reincarnated as a Slime (2018)
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8. The Groundwork of Greed
29 May '26Glenda reveals all she knows about the Council and the Rozzos, and Rimuru prepares to inspect ancient ruins.
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That Time I Got Reincarnated as a Slime (2018)
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9. Investigating the Ruins
05 Jun '26The investigation of the ancient ruins of Amrita begins.
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That Time I Got Reincarnated as a Slime (2018)
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10. The Master of Greed
12 Jun '26Rimuru and Mirabel come face-to-face at last in the ancient ruins.
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That Time I Got Reincarnated as a Slime (2018)
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11. Milim's Friend
19 Jun '26Rimuru helps Milim confront the Chaos Dragon, a corrupted form of the baby dragon that was once her friend.
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That Time I Got Reincarnated as a Slime (2018)
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12. Tempest Evolves
26 Jun '26Rimuru shares his plans for Tempest's future, including a new system of government and Council representation.
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That Time I Got Reincarnated as a Slime (2018)
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13. New Companions
03 Jul '26Ramiris and Veldora are feeling overworked, so they ask Rimuru to find assistants for them.
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That Time I Got Reincarnated as a Slime (2018)
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14. The Black Numbers
10 Jul '26Diablo returns with new demon subordinates to add to Tempest's ranks.
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That Time I Got Reincarnated as a Slime (2018)
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15. An Unsettling Feeling
17 Jul '26As Tempest continues to grow and evolve, the Moderate Harlequin Alliance approaches Demon Lord Leon.
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That Time I Got Reincarnated as a Slime (2018)
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16. Gran, the Hero of Dawn
24 Jul '26
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That Time I Got Reincarnated as a Slime (2018)
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17. Episode 17
31 Jul '26
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That Time I Got Reincarnated as a Slime (2018)
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18. Episode 18
07 Aug '26
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That Time I Got Reincarnated as a Slime (2018)
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19. Episode 19
14 Aug '26
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That Time I Got Reincarnated as a Slime (2018)
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20. Episode 20
21 Aug '26
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That Time I Got Reincarnated as a Slime (2018)
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21. Episode 21
28 Aug '26
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That Time I Got Reincarnated as a Slime (2018)
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22. Episode 22
04 Sep '26
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That Time I Got Reincarnated as a Slime (2018)
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23. Episode 23
11 Sep '26
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That Time I Got Reincarnated as a Slime (2018)
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24. Episode 24
18 Sep '26
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