That Time I Got Reincarnated as a Slime

Season 4

TV-14

Demon 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!

Where to Watch That Time I Got Reincarnated as a Slime • Season 4

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24 Episodes

New Days
E1
New DaysEven 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.
The Dungeon Evolves
E2
The Dungeon EvolvesThe 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.
The Avatar Team Is Formed
E3
The Avatar Team Is FormedRimuru 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.
Invitation
E4
InvitationThe Council of the West deliberates on whether to grant membership to Tempest.
The First Step
E5
The First StepRimuru 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.
The Council of the West
E6
The Council of the WestDemon 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.
The Mastermind's Identity
E7
The Mastermind's IdentityAfter 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.
The Groundwork of Greed
E8
The Groundwork of GreedYuuki 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.
Investigating the Ruins
E9
Investigating the RuinsRimuru 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.
The Master of Greed
E10
The Master of GreedMariabelle, 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.
Milim's Friend
E11
Milim's FriendRimuru helps Milim confront the Chaos Dragon, a corrupted form of the baby dragon that was once her friend.
Tempest Evolves
E12
Tempest EvolvesRimuru shares his plans for Tempest's future, including a new system of government and Council representation.
New Companions
E13
New CompanionsRamiris and Veldora are feeling overworked, so they ask Rimuru to find assistants for them.
The Black Numbers
E14
The Black NumbersDemon 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!
Jul 17
E15
TBADemon 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!
Jul 24
E16
TBADemon 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!
Jul 31
E17
TBADemon 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!
Aug 7
E18
TBADemon 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!
Aug 14
E19
TBADemon 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!
Aug 21
E20
TBADemon 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!
Aug 28
E21
TBADemon 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!
Sep 4
E22
TBADemon 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!
Sep 11
E23
TBADemon 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!
Sep 18
E24
TBADemon 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!