That Time I Got Reincarnated as a Slime S4

That Time I Got Reincarnated as a Slime season 4 on Nippon TV

Status:

Continuing

Season 4:

Currently Running

Watched: 0%

0 of 96 Episodes
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Next Episode:

S4 E9 airs on Fri June 5th, 2026

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Season Premiere

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Why Watch

"Combines lighthearted monster antics with surprisingly deep geopolitical strategy and high-stakes magical warfare."

AI Critic Analysis

Series Deep Dive:

Rimuru Tempest transformed from a lowly monster into the ruler of the Jura Tempest Federation, turning a standard reincarnation trope into a complex study of nation-building. This isn't just about overpowering enemies; it is about trade routes, diplomacy, and the occasional annihilation of hostile armies. As the series pushes toward its next installment, the tension between the Federation and the Western Holy Church suggests the time for talk is ending. The anticipation for the upcoming premiere is heavy, promising a collision of ideologies and magic power. To ensure your tactical analysis remains up to date, setting a reminder for the new season is a necessary evolution.

Tone: Whimsical, Strategic, Expansive Refined: March 2026

Season: 4

#	Air Date	Episode Name
E1	Apr 03, 2026	新しい日々
E2	Apr 10, 2026	進化する迷宮
E3	Apr 17, 2026	仮魔体チーム結成
E4	Apr 24, 2026	招待状
E5	May 08, 2026	最初の一歩
E6	May 15, 2026	西方諸国評議会
E7	May 22, 2026	黒幕の正体
E8	May 29, 2026	強欲の布石
E9	Jun 05, 2026	遺跡調査
E10	Jun 12, 2026	TBA
E11	Jun 19, 2026	TBA
E12	Jun 26, 2026	TBA
E13	Jul 03, 2026	TBA
E14	Jul 10, 2026	TBA
E15	Jul 17, 2026	TBA
E16	Jul 24, 2026	TBA
E17	Jul 31, 2026	TBA
E18	Aug 07, 2026	TBA
E19	Aug 14, 2026	TBA
E20	Aug 21, 2026	TBA
E21	Aug 28, 2026	TBA
E22	Aug 28, 2026	TBA
E23	Sep 11, 2026	TBA
E24	Sep 18, 2026	TBA

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Mark Season 4:

Watched / Unwatched

The Industry Oracle - Prestige Tentpole

Oracle Status: Filming/Principal Photography

The industry is buzzing as studio Eight Bit shatters the conventional broadcast model with a massive five cour order for the fourth season of That Time I Got Reincarnated as a Slime. Premiering on April 3, 2026, Rimuru's latest expansion is currently dominating the spring anime slate. The production committee is actively delivering the first two continuous cours, keeping the animation pipelines running at maximum capacity. This unprecedented scale requires intense scheduling, meaning the studio is deep in active production to maintain their weekly deadlines for this colossal sixty episode commitment.

While the first half is actively airing, the remaining three cours are being meticulously mapped out in the background. Fans can expect a continuous stream of premium world building and factional diplomacy. We expect this gamble to solidify the anime forever.

Oracle Prediction: The unprecedented five-cour format will keep Rimuru at the forefront of the anime community well into 2027.

If you liked That Time I Got Reincarnated as a Slime:

Re: ZERO, Starting Life in Another World

You will love its complex world-building and high-stakes subversion of typical isekai tropes.

You will love the overpowered protagonist who prioritizes kindness and growth over raw strength.

You will love how Senku uses genius-level innovation to rebuild civilization, just like Rimuru.

Both shows feature compelling character growth and epic world-building centered on a protagonist's journey.

You will love the epic world-building, powerful progression, and heartfelt bonds found in Naruto.

Both series feature immersive world-building and high-stakes quests involving magical creatures and political intrigue.

Both shows feature an unconventional, overpowered mentor guiding underdogs to reach their true potential.

You’ll love the intricate power systems and strategic world-building that mirror Rimuru’s tactical growth.

You will love the overpowered protagonist’s journey and the perfect blend of action and humor.

You will love the high-stakes fantasy world-building and epic progression found in both series.

Technical Details

Network: Nippon TV

Seasons: 4

Years: 2018 - 2026

Genre: Action, Adventure, Animation, Anime, Comedy, Fantasy

Notes:

TVDB

/r/tenseislime

Frequently Asked Questions

The anime has been officially renewed for a fourth season which will premiere on April 3, 2026 [1.5]. This upcoming season is confirmed to be an unprecedented five-cour broadcast that will air over a 15-month period.

The fourth season is currently in the active animation production stage at Studio 8-bit. The animation team has prepared the initial episodes so the first two cours can air consecutively starting in early April 2026.

The multi-year gaps between seasons are primarily due to the lengthy animation process required for massive episode runs by a single studio. The production committee also uses this time to release theatrical movies and spin-off projects to maintain audience interest while the main story is being animated.

A new side-story novel series titled How to Spend a Certain Vacation is slated for release in 2026. The franchise also regularly produces anime spin-offs, having recently released the Visions of Coleus series and the Tears of the Azure Sea feature film.

The production committee announced that the fourth season will consist of five cours, totaling roughly 60 episodes. This historic episode order will allow the studio to fully adapt the massive Eastern Empire Invasion Arc without rushing the source material.

That Time I Got Reincarnated as a Slime