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That Time I Got Reincarnated as a Slime seasons

The Tensura anime has four seasons and 96 episodes as of October 2026, all animated by Eight Bit. Season 1 (2018-2019), season 2 (2021, split into two parts) and season 3 (2024) have 24 episodes each. Season 4 is planned as five cours; the first two aired from April to September 2026 with 24 episodes. There are also two films, Scarlet Bond (2022) and Tears of the Azure Sea (2026), the spin-off The Slime Diaries and several OVAs. The story comes from Fuse's light novels, which run to 23 main volumes.

Season	Premiere	End	Episodes	Studio
Season 1	October 2, 2018	March 19, 2019	24	Eight Bit
Season 2 (parts 1 and 2)	January 12, 2021	September 21, 2021	24	Eight Bit
Season 3	April 5, 2024	September 27, 2024	24	Eight Bit
Season 4 (cours 1 and 2)	April 3, 2026	September 25, 2026	24	Eight Bit
Film: Scarlet Bond	November 25, 2022			Eight Bit
Film: Tears of the Azure Sea	February 27, 2026			Eight Bit

Season 1

Season 1 aired from October 2, 2018 to March 19, 2019, with 24 episodes. It covers Rimuru's rebirth, his friendship with Veldora, protecting the goblin village, a trip to the dwarf kingdom, meeting Shizu, and the alliance with the ogres in the face of an orc army.

Season 2 (parts 1 and 2)

Season 2 aired in two parts of 12 episodes: the first from January 12 to March 30, 2021 and the second from July 6 to September 21, 2021. Part 1 deals with the Kingdom of Falmuth's invasion of Tempest; part 2 follows the conflict with the Demon Lord Clayman and the Demon Lords' gathering known as Walpurgis.

Season 3

Season 3 aired from April 5 to September 27, 2024, with 24 episodes. Tempest is now a recognised nation, and the story involves the Western Holy Empire and its internal politics, building up to the Tempest Founding Festival, with a martial arts tournament and the opening of a dungeon.

Season 4 (cours 1 and 2)

The first two cours of season 4 aired from April 3 to September 25, 2026, with 24 episodes (numbers 73 to 96 overall). Rimuru deals with his country's growth, new political tensions with neighbouring nations and new allies. It airs in Japan on Nippon TV's Friday Anime Night block.

Next season Announced

More episodes are confirmed. On September 25, 2026, after the episode that closed the second cour, it was announced that the third cour of season 4 starts in July 2027. Season 4 has five cours in total; the fourth and fifth have no dates yet. Before that, in April 2027, the spin-off Clayman REVENGE premieres, also animated by Eight Bit.

FAQ

How many seasons of That Time I Got Reincarnated as a Slime are there?

There are four seasons and 96 episodes as of October 2026. Seasons 1, 2 and 3 have 24 episodes each, and season 4, planned as five cours, aired 24 episodes from April to September 2026.

When does Slime season 4 continue?

The third cour of season 4 premieres in July 2027, according to an announcement made on September 25, 2026. Before that, the spin-off Clayman REVENGE starts in April 2027. The fourth and fifth cours have no dates yet.

How many episodes will Slime season 4 have?

Season 4 is planned as five cours. The first two cours aired 24 episodes in 2026. The third cour starts in July 2027, and the length of the remaining cours has not been announced.

What order should I watch Tensura in?

Watch seasons 1, 2, 3 and 4 in order. The films, The Slime Diaries and the OVAs are side stories; watching them in release order (The Slime Diaries in 2021, Scarlet Bond in 2022, Tears of the Azure Sea in 2026) keeps you in step with the main series.

Who is the main character of Tensura?

The main character is Rimuru Tempest, a Japanese man who dies and is reborn as a slime in a fantasy world. With the power to absorb creatures and copy their abilities, he builds a monster nation called Tempest.

That Time I Got Reincarnated as a Slime characters →

Sources

Updated October 23, 2026