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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!

Binge this in 1d 11h•Peaking at 9.4/10

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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  1. #1 Fan Favorite
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    That Time I Got Reincarnated as a Slime Season 2 Episode 11 - Birth of a Demon Lord
    9.4/10(2598 votes)

    #1 - 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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  2. That Time I Got Reincarnated as a Slime Season 2 Episode 10 - Megiddo
    9.2/10(1925 votes)

    #2 - 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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  3. That Time I Got Reincarnated as a Slime Season 4 Episode 11 - Milim's Friend
    9.2/10(928 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 4 Episode 1 - New Days
    9.1/10(1060 votes)

    #4 - 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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  5. That Time I Got Reincarnated as a Slime Season 4 Episode 2 - The Dungeon Evolves
    8.8/10(859 votes)

    #5 - The Dungeon Evolves

    S4:E2

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

    Director:Unknown
    Writer:Unknown

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  6. That Time I Got Reincarnated as a Slime Season 2 Episode 24 - Octagram
    8.7/10(793 votes)

    #6 - 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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    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 2 Episode 8 - Hope
    8.6/10(979 votes)

    #7 - 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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  8. That Time I Got Reincarnated as a Slime Season 2 Episode 22 - Demon Lords' Banquet ~Walpurgis~
    8.6/10(988 votes)

    #8 - 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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  9. That Time I Got Reincarnated as a Slime Season 1 Episode 8 - Inherited Will
    8.5/10(983 votes)

    #9 - 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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  10. That Time I Got Reincarnated as a Slime Season 1 Episode 13 - The Great Clash
    8.5/10(934 votes)

    #10 - 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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  11. That Time I Got Reincarnated as a Slime Season 1 Episode 14 - The One Who Devours All
    8.5/10(992 votes)

    #11 - 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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  12. That Time I Got Reincarnated as a Slime Season 1 Episode 19 - Charybdis
    8.5/10(827 votes)

    #12 - 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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  13. That Time I Got Reincarnated as a Slime Season 2 Episode 23 - Returning from the Brink
    8.5/10(953 votes)

    #13 - Returning from the Brink

    S2:E23

    Clayman and his pawns stand no chance against Rimuru and his allies. At a loss, Clayman orders Milim to use Stampede to kill everyone present, but Milim reveals he was never controlling her from the start. It was all an act to expose Clayman's plans and identify the mastermind behind it all. Even Carrion is still alive and well. On the brink of death, Clayman uses the souls of everyone he has killed as energy for his awakening. Thus the final battle to settle the score between Rimuru and Clayman begins.

    Director:Unknown
    Writer:Unknown

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  14. That Time I Got Reincarnated as a Slime Season 1 Episode 7 - Conqueror of Flames
    8.4/10(977 votes)

    #14 - 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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  15. That Time I Got Reincarnated as a Slime Season 1 Episode 11 - Gabiru is Here!
    8.4/10(895 votes)

    #15 - Gabiru is Here!

    S1:E11

    Rimuru's village has gained Benimaru and the other five Ogres as its newest allies. Soon after, the Lizardman Gabiru visits the village, having heard rumors about it. Gabiru has been visiting Goblin villages throughout the Great Forest of Jura to enlist their aid in fighting off the Orc army. When he faces Ranga with an attitude of provocation, Ranga tells him that if he can defeat Gobta, they'll hear what he has to say...

    Director:Unknown
    Writer:Unknown

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  16. That Time I Got Reincarnated as a Slime Season 1 Episode 16 - Demon Lord Milim Attacks
    8.4/10(856 votes)

    #16 - Demon Lord Milim Attacks

    S1:E16

    The Jura Tempest Federation, with Rimuru as its leader, has formed an alliance with the Armed Nation of Dwargon. Just as Rimuru thinks there are only peaceful days ahead, he senses an enormous mass of magical power heading straight for his location at an incredible speed. When the smoke from its collision with the ground clears, standing in its place is a humanoid figure. She is the Demon Mord Milim, the one and only Dragonoid and the one bearing the nickname "Destroyer." Ranga, Benimaru, and the others who face her are quickly overwhelmed by her power.

    Director:Unknown
    Writer:Unknown

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  17. That Time I Got Reincarnated as a Slime Season 2 Episode 2 - Trade with the Animal Kingdom
    8.4/10(840 votes)

    #17 - Trade with the Animal Kingdom

    S2:E2

    Despite the initial conflict, Eurazania and Tempest have deemed each other to be worthy of establishing friendly relations, and diplomacy between them officially begins. Tempest agrees to share its industrial techniques in return for Eurazania's agricultural techniques, and Rimuru decides to use the apple brandy produced as a result of this exchange to seek friendly relations with the Armed Nation of Dwargon next. He's accompanied by Shuna and Shion along with the former residents of Dwargon, Kaijin and the three Dwarf brothers, who are welcomed back to their home nation as state guests.

    Director:Unknown
    Writer:Unknown

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  18. That Time I Got Reincarnated as a Slime Season 2 Episode 9 - Putting Everything on the Line
    8.4/10(919 votes)

    #18 - Putting Everything on the Line

    S2:E9

    In order to come to terms with his own negligence and revive Shion, Gobta, and his other fallen comrades, Rimuru reveals that he used to be a human. But his allies think nothing of it and accept him regardless, as if it's the natural thing to do. Filled with gratitude for the warm, accepting environment he's in, Rimuru turns his focus to the army from Falmuth. He entrusts Benimaru and the others to destroy the devices that are generating the enemy's Prison Field while Rimuru himself sets out to attack the advancing army and use them as nourishment to become a Demon Lord.

    Director:Unknown
    Writer:Unknown

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  19. That Time I Got Reincarnated as a Slime Season 2 Episode 12 - The One Unleashed
    8.4/10(1109 votes)

    #19 - The One Unleashed

    S2:E12

    Shion and the rest of the fallen are revived, Diablo has joined the team... It seems as if all is going smoothly, but Rimuru then receives a report that Milim has declared war and Eurazania has been destroyed, and there's still the matter of the Western Holy Church's hostility toward monsters, even with Falmuth out of the picture. But at the same time, Raphael informs him that the Appraisal of Unlimited Imprisonment has been completed. At last, two years after Rimuru's reincarnation into this world, he can finally fulfill the first promise he made here: to free Veldora.

    Director:Unknown
    Writer:Unknown

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  20. That Time I Got Reincarnated as a Slime Season 3 Episode 10 - God and Demon Lord
    8.4/10(650 votes)

    #20 - 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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  21. That Time I Got Reincarnated as a Slime Season 4 Episode 9 - Investigating the Ruins
    8.4/10(787 votes)

    #21 - Investigating the Ruins

    S4:E9

    The investigation of the ancient ruins of Amrita begins.

    Director:Unknown
    Writer:Unknown

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  22. That Time I Got Reincarnated as a Slime Season 1 Episode 9 - Attack of the Ogres
    8.3/10(914 votes)

    #22 - Attack of the Ogres

    S1:E9

    Rimuru and the Goblins' village is developing nicely. The Dwarves are building all kinds of houses and furniture, and the local Goblin Lords have appointed Rigurd as the Goblin King. As Rimuru watches everything come together, he decides to return to the cave and test the skills he received from Shizu. While there, he receives a request for help from Ranga through Thought Communication, and he rushes back to find his friends facing six Ogres. One of them orders Rimuru to "reveal his true identity." What is going on in the Great Forest of Jura?

    Director:Unknown
    Writer:Unknown

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  23. That Time I Got Reincarnated as a Slime Season 1 Episode 10 - The Orc Lord
    8.3/10(881 votes)

    #23 - The Orc Lord

    S1:E10

    Six Ogres are all that remain of their clan after an attack by an Orc army. They say that the Orcs were traveling with a mysterious majin who wore plate mail and a clown mask. Rimuru proposes that the Ogres join his ranks, and they accept on the condition that they will get to take down the one leading the Orcs, so Rimuru gives all six of them names. Meanwhile, the Orcs begin to invade the marshlands surrounding Lake Siss that are inhabited by the Lizardmen. So the Lizardman chieftan gives his son, Gabiru, an order...

    Director:Tokugane Tanizawa
    Writer:Unknown

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  24. That Time I Got Reincarnated as a Slime Season 1 Episode 12 - The Gears Spin Out of Control
    8.3/10(863 votes)

    #24 - The Gears Spin Out of Control

    S1:E12

    The Orc army, led by the Orc Lord, continues its conquest throughout the Great Forest of Jura. The crisis has spurred Treyni of the Dryads, the caretakers of the forest, to take action. She has had her eye on Rimuru after noticing his rise to prominence in the forest, and she wants Rimuru to defeat the Orc Lord.

    Director:Unknown
    Writer:Unknown

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  25. That Time I Got Reincarnated as a Slime Season 1 Episode 23 - Saved Souls
    8.3/10(834 votes)

    #25 - Saved Souls

    S1:E23

    Rimuru and the children reach the deepest level of the Dwelling of Spirits, where they stand on a pedestal bathed in light to summon superior spirits. Will their summoning be successful? Amidst the uncertainty, the first to attempt the summoning is Gale, followed by Alice, Kenya, Ryota, and finally Chloe. But instead of a spirit, Chloe's summoning brings forth an unknown spiritual form with an immense amount of energy. Just what is this spiritual being? Ramiris seems to sense something about it...

    Director:Unknown
    Writer:Unknown

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Best Episodes Summary

"Birth of a Demon Lord" is the best rated episode of "That Time I Got Reincarnated as a Slime". It scored 9.4/10 based on 2598 votes. Directed by Unknown and written by Unknown, it aired on 3/23/2021. This episode scored 0.2 points higher than the second highest rated, "Megiddo".