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The Best Episodes of That Time I Got Reincarnated as a Slime

Every episode of That Time I Got Reincarnated as a Slime ranked from best to worst. Let's dive into the Best Episodes of That Time I Got Reincarnated as a Slime!

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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,

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Episode Rankings

  1. #1 Fan Favorite
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    That Time I Got Reincarnated as a Slime Season 4 Episode 13 - New Companions
    10.0/10(223 votes)

    #1 - New Companions

    S4:E13

    Ramiris and Veldora are feeling overworked, so they ask Rimuru to find assistants for them.

    Director:Unknown
    Writer:Unknown

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  2. That Time I Got Reincarnated as a Slime Season 4 Episode 2 - The Dungeon Evolves
    9.5/10(775 votes)

    #2 - The Dungeon Evolves

    S4:E2

    Rimuru and his trusted companions discuss ideas for improving the dungeon.

    Director:Unknown
    Writer:Unknown

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  3. That Time I Got Reincarnated as a Slime Season 4 Episode 11 - Milim's Friend
    9.5/10(754 votes)

    #3 - Milim's Friend

    S4:E11

    Rimuru helps Milim confront the Chaos Dragon, a corrupted form of the baby dragon that was once her friend.

    Director:Unknown
    Writer:Unknown

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  4. That Time I Got Reincarnated as a Slime Season 2 Episode 11 - Birth of a Demon Lord
    9.3/10(2526 votes)

    #4 - Birth of a Demon Lord

    S2:E11

    Rimuru succeeds in collecting enough souls to carry out his plan to evolve, and the Harvest Festival begins. But he's suddenly overcome by intense sleepiness at the same time, so he summons a demon to stop Razen, the one target who escaped alive. Then, upon returning to Tempest after successfully becoming a Demon Lord, Rimuru sets about attempting to revive Shion and the rest of the fallen. Through Raphael, the evolved form of Great Sage, the Secret Arts of Spirit Resurrection and Revival of the Dead are activated...

    Director:Unknown
    Writer:Unknown

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  5. That Time I Got Reincarnated as a Slime Season 4 Episode 1 - New Days
    9.3/10(966 votes)

    #5 - New Days

    S4:E1

    Tempest is thriving after the success of its festival, but unexpected trouble has arisen with the new dungeon.

    Director:Unknown
    Writer:Unknown

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  6. That Time I Got Reincarnated as a Slime Season 2 Episode 10 - Megiddo
    9.1/10(1865 votes)

    #6 - Megiddo

    S2:E10

    The battle for revenge has begun. Benimaru and his trusted companions carry out their respective missions, while Hakurou and his party face Shogo and Kyoya once again. And Rimuru's fury rains down upon the army from Falmuth.

    Director:Unknown
    Writer:Unknown

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    The 20 WORST Episodes of That Time I Got Reincarnated as a Slime

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  7. That Time I Got Reincarnated as a Slime Season 4 Episode 6 - The Council of the West
    9.0/10(780 votes)

    #7 - The Council of the West

    S4:E6

    A list of unreasonable demands from the Council makes Rimuru realize that a deeper plot is in motion.

    Director:Unknown
    Writer:Unknown

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  8. That Time I Got Reincarnated as a Slime Season 4 Episode 7 - The Mastermind's Identity
    9.0/10(697 votes)

    #8 - The Mastermind's Identity

    S4:E7

    An interrogation of Prince Elric's would-be shooter reveals who's pulling the strings behind the Council.

    Director:Unknown
    Writer:Unknown

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  9. That Time I Got Reincarnated as a Slime Season 4 Episode 9 - Investigating the Ruins
    9.0/10(683 votes)

    #9 - Investigating the Ruins

    S4:E9

    The investigation of the ancient ruins of Amrita begins.

    Director:Unknown
    Writer:Unknown

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  10. That Time I Got Reincarnated as a Slime Season 4 Episode 10 - The Master of Greed
    9.0/10(1163 votes)

    #10 - The Master of Greed

    S4:E10

    Rimuru and Mirabel come face-to-face at last in the ancient ruins.

    Director:Unknown
    Writer:Unknown

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  11. That Time I Got Reincarnated as a Slime Season 2 Episode 24 - Octagram
    8.7/10(750 votes)

    #11 - Octagram

    S2:E24

    Rimuru backs Clayman into a corner trying to get him to reveal who he's working for, but even on death's door, Clayman's lips are sealed. Left with no other choice, Rimuru finishes Clayman off. With Clayman dead and Carrion and Frey announcing that they're stepping down as Demon Lords, the total number of Demon Lords including Rimuru is reduced from ten to eight. Guy coerces Rimuru into coming up with a new name for their group, and Rimuru's solution is "Octagram," representing each of the Demon Lords as an eight-pointed star. Thus a slime became one of the eight Demon Lords, marking the start of a new age.

    Director:Daisuke Eguchi
    Writer:Kazuyuki Fudeyasu

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  12. That Time I Got Reincarnated as a Slime Season 3 Episode 10 - God and Demon Lord
    8.7/10(610 votes)

    #12 - God and Demon Lord

    S3:E10

    Just after the end of Hinata and Rimuru's duel, Hinata's sword moves on its own and targets Rimuru. Hinata jumps in its way to protect him and is gravely injured. Then the masterminds behind the whole conflict show up...

    Director:Unknown
    Writer:Unknown

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  13. That Time I Got Reincarnated as a Slime Season 1 Episode 8 - Inherited Will
    8.5/10(939 votes)

    #13 - Inherited Will

    S1:E8

    When Shizu was still with Demon Lord Leon, it was a Hero who rescued her. That Hero was Shizu's inspiration to help as many people as she could for many years. She even worked as a teacher for children who'd come from other worlds. And now, as her time comes to an end, Shizu asks Rimuru for one last favor...

    Director:Takumi Doyama
    Writer:Unknown

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  14. That Time I Got Reincarnated as a Slime Season 1 Episode 13 - The Great Clash
    8.5/10(890 votes)

    #14 - The Great Clash

    S1:E13

    Rimuru and his Goblin riders set out for the marshlands to finalize their alliance with the Lizardmen. On the way, they save a Lizardman who'd been attacked by the Orcs. The victim turns out to be Gabiru's younger sister, who reveals that Gabiru led an insurrection and left to fight the Orc Lord without waiting for the alliance. She also pleads with Rimuru to save Gabiru and the rest of her clan. Meanwhile, Gabiru faces the massive Orc army and is shocked when he witnesses the power of their unique skill, Starved.

    Director:Unknown
    Writer:Unknown

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  15. That Time I Got Reincarnated as a Slime Season 1 Episode 14 - The One Who Devours All
    8.5/10(945 votes)

    #15 - The One Who Devours All

    S1:E14

    The majin Gelmud makes his appearance at last. His true goal was to evolve the Orc Lord into the Orc Disaster, a Demon Lord, and have him reign over the Forest of Jura. Upon learning this, the Orc Lord takes action...

    Director:Yasuhiro Ito
    Writer:Unknown

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  16. That Time I Got Reincarnated as a Slime Season 1 Episode 19 - Charybdis
    8.5/10(789 votes)

    #16 - Charybdis

    S1:E19

    Its seal removed, the calamity-class monster Charybdis and its Medalodon minions advance on the capital city of Rimuru. The Jura Tempest Federation combines all its forces under Rimuru to intercept the attack. King Gazel even sends 100 of his Pegasus Knights to aid in the battle. But Charybdis's extra skills Magic Jamming and Ultraspeed Regeneration make it a formidable foe. So Rimuru unleashes his new skill, Gluttony...

    Director:Unknown
    Writer:Unknown

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  17. That Time I Got Reincarnated as a Slime Season 2 Episode 8 - Hope
    8.5/10(938 votes)

    #17 - Hope

    S2:E8

    Rimuru learns about Clayman and the schemes of the Kingdom of Falmuth, but no matter how hard he wishes for it, his fallen comrades and their peaceful lifestyle will never return. He's just about to give up when Eren tells him of a fairy tale that might offer a glimmer of hope. The probability of success is about 3%... but if Rimuru can manage to become a Demon Lord by taking in the souls of 10,000 humans as nourishment, he just might have a chance at bringing his comrades back to life. As Falmuth's army of 20,000 men marches toward Tempest, Rimuru takes hold of that hope and decides to become a Demon Lord.

    Director:Nana Fujiwara
    Writer:Unknown

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  18. That Time I Got Reincarnated as a Slime Season 2 Episode 22 - Demon Lords' Banquet ~Walpurgis~
    8.5/10(931 votes)

    #18 - Demon Lords' Banquet ~Walpurgis~

    S2:E22

    Clayman tries to convince the other Demon Lords that Rimuru should be purged, but Guy tells him that if he is truly a Demon Lord, he should defeat Rimuru himself. What should be a one-on-one battle between Rimuru and Clayman is joined by Milim, who has been brainwashed by Clayman, so Rimuru takes on Milim while Shion faces Clayman. But Rimuru is at a disadvantage against Milim and finds himself pushed back... until Veldora bursts onto the scene and takes Milim's attack in Rimuru's place.

    Director:Takahiro Enokida
    Writer:Kazuyuki Fudeyasu

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  19. That Time I Got Reincarnated as a Slime Season 3 Episode 8 - Misunderstanding
    8.5/10(637 votes)

    #19 - Misunderstanding

    S3:E8

    The Crusaders have reached Tempest, and the battle is on. Hinata lays everything she learned from her mentor, Shizu, on the line in a life-or-death showdown against Rimuru.

    Director:Unknown
    Writer:Unknown

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  20. That Time I Got Reincarnated as a Slime Season 3 Episode 9 - The Scheming of the Seven Days
    8.5/10(640 votes)

    #20 - The Scheming of the Seven Days

    S3:E9

    Diablo descends before the enemy, King Edward of Falmuth. Also present are Saare and Glenda, two of the three Battlesages who are regarded as the most brilliant among the Master Rooks.

    Director:Unknown
    Writer:Unknown

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  21. That Time I Got Reincarnated as a Slime Season 4 Episode 4 - Invitation
    8.5/10(723 votes)

    #21 - Invitation

    S4:E4

    The Council of the West deliberates on whether to grant membership to Tempest.

    Director:Unknown
    Writer:Unknown

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  22. That Time I Got Reincarnated as a Slime Season 4 Episode 5 - The First Step
    8.5/10(758 votes)

    #22 - The First Step

    S4:E5

    Rimuru attends the meeting that will determine Tempest's membership in the Council of the West.

    Director:Unknown
    Writer:Unknown

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  23. That Time I Got Reincarnated as a Slime Season 4 Episode 8 - The Groundwork of Greed
    8.5/10(650 votes)

    #23 - The Groundwork of Greed

    S4:E8

    Glenda reveals all she knows about the Council and the Rozzos, and Rimuru prepares to inspect ancient ruins.

    Director:Unknown
    Writer:Unknown

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  24. That Time I Got Reincarnated as a Slime Season 4 Episode 12 - Tempest Evolves
    8.5/10(320 votes)

    #24 - Tempest Evolves

    S4:E12

    Rimuru shares his plans for Tempest's future, including a new system of government and Council representation.

    Director:Unknown
    Writer:Unknown

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  25. That Time I Got Reincarnated as a Slime Season 1 Episode 7 - Conqueror of Flames
    8.4/10(934 votes)

    #25 - Conqueror of Flames

    S1:E7

    The Demon Lord Leon Cromwell summoned Shizu out of Tokyo as it burned during in the air raids, then forced the high-ranked spirit Ifrit to possess her. After taking over Shizu's body, Ifrit begins to rampage.

    Director:Unknown
    Writer:Unknown

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Best Episodes Summary

"New Companions" is the best rated episode of "That Time I Got Reincarnated as a Slime". It scored 10/10 based on 223 votes. Directed by Unknown and written by Unknown, it aired on 7/3/2026. This episode scored 0.5 points higher than the second highest rated, "The Dungeon Evolves".