That Time I Got Reincarnated as a Slime
Lonely thirty-seven-year-old Mikami Satoru is stuck in a dead-end job, unhappy with his mundane life, but after dying at the hands of a robber, he awakens to a fresh start in a fantasy realm...as a slime monster. As he acclimates to his goopy new existence, his exploits with the other monsters set off a chain of events that will change his new world forever.
- 2018-2026
- 4 seasons
- Crunchyroll
- Animation, Action & Adventure, Comedy, Fantasy
- TV-MA
Lonely thirty-seven-year-old Mikami Satoru is stuck in a dead-end job, unhappy with his mundane life, but after dying at the hands of a robber, he awakens to a fresh start in a fantasy realm...as a slime monster. As he acclimates to his goopy new existence, his exploits with the other monsters set off a chain of events that will change his new world forever.
Season 4 Episode Guide
20 Episodes 2026
Episode 1
New Days
Fri, Apr 3, 2026
Even after the Founder's Festival, the Jura-Tempest Federation continues to grow and become increasingly active. Adventurers gather in the city, and the Dungeon is teeming with activity. An unexpected problem is occurring in this dungeon.
Episode 2
The Dungeon Evolves
Fri, Apr 10, 2026
The improvements to the underground labyrinth and the publicity boost from the large prize money were a great success. However, now a team called Green Chaos has appeared, exploiting loopholes in the rules to conquer the labyrinth.
Episode 3
The Avatar Team Is Formed
Fri, Apr 17, 2026
Rimuru and his companions acquired temporary magical bodies to use in the underground labyrinth. Due to a lack of coordination in their fighting styles, they are no match for Team Chaos Green. Rimuru and his friends begin special training.
Episode 4
Invitation
Fri, Apr 24, 2026
The Council decides whether to accept Tempest and sends a message to Limur.
Episode 5
The First Step
Fri, May 8, 2026
Rimuru arrives in Engrassia to join the Western Council. Hinata warns him about hostile nobles and possible moves by the Eastern Empire. As Mariabel plots against him, the meeting begins, and Rimuru reacts angrily to the outcome.
Episode 6
The Council of the West
Fri, May 15, 2026
Demon Lord Rimuru's dream of a human-monster alliance moves closer to reality. As Tempest prospers, Granville Rozzo and granddaughter Maribel clash with Rimuru over their plan to protect humanity by ruling it.
Episode 7
The Mastermind's Identity
Fri, May 22, 2026
After foiling the assassination attempt on Elric during the council meeting, Rimuru secures the Jura Tempest Federation's membership. Back in Tempest, he and his allies interrogate Glenda, the assassin behind the attack.
Episode 8
The Groundwork of Greed
Fri, May 29, 2026
Yuuki is controlled by Mariabel. After receiving information from Glenda, Rimuru decides to avoid interacting with the Freedom Association. However, the scheduled day to investigate the ruins with the Freedom Association was approaching.
Episode 9
Investigating the Ruins
Fri, Jun 5, 2026
Rimuru and his friends arrive at the ancient ruins of Amrita. The group was proceeding with the investigation smoothly, but suddenly the defense mechanism of the ruins was activated and attacked the research team. Also, Mariabell appears.
Episode 10
Gôyoku no Aruji
Fri, Jun 12, 2026
Mariabelle, who possesses the unique skill of "Greedy," and Rimuru, who has awakened as a Demon Lord, face off. The difference in their powers is clear. Rimuru tries to defeat Mariabelle, but Yuuki stands in his way.
Episode 11
Milim no Tomodachi
Fri, Jun 19, 2026
Rimuru aids Milim in facing the Chaos Dragon, the corrupted version of her former baby dragon friend.
Episode 12
Shinka Suru Tempest
Fri, Jun 26, 2026
Demon Lord Rimuru's vision of uniting humans and monsters is nearly within reach.
Episode 13
Atarashii Nakama-tachi
Fri, Jul 3, 2026
Overwhelmed Ramiris and Veldora ask Rimuru to help them find assistants.
Episode 14
The Black Numbers
Fri, Jul 10, 2026
Diablo had left Rimuru's side and traveled to the Demon World. He sought out three demons old acquaintances of his to entrust them with the miscellaneous tasks of the Jura Tempest Federation.
Episode 15
Fuon na Kehai
Fri, Jul 17, 2026
With new allies, the Federation of Jura Tempest begins its journey as a nation ruled by law. Meanwhile, in Eldorado, Laplace and his associates, disguised as Eastern merchants, make contact with Demon Lord Leon.
Episode 16
Yoake no Yuusha Gran
Fri, Jul 24, 2026
Rimuru and his party have arrived in Ruberios for a musical exchange festival devised by the Demon Lord Luminous. That night, after being warmly welcomed, Rimuru is invited by Luminous to have a private conversation.
Episode 17
Shûsoku no Chi Ruberios
Fri, Aug 7, 2026
Leon, the Demon Lord who had been searching for Chloe, enlists the aid of Elmesia of the Sorcerous Dynasty of Thalion and heads for Ruberios. However, upon his arrival, he finds Granbell's forces already poised to launch an invasion.
Episode 18
Seihô Dôran
Fri, Aug 14, 2026
The Western Nations are thrown into chaos by an army of demons advancing from the north. As the forces close in on the Kingdom of Englesia, Testarossa—dispatched to the Council by Rimuru—stands ready to meet them.
Episode 19
Episode #4.19
Episode 20