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Season 4 is no longer just a confirmation
That Time I Got Reincarnated as a Slime Season 4 is airing in 2026. The official announcement describes it as a split, five-cour television project, with the first two cours scheduled to run consecutively from April 2026. Crunchyroll announced an April 3 streaming start across North America, Central and South America, Europe, Africa, Oceania, the Middle East, and CIS territories.
That television rollout is accompanied by the franchise’s second Japanese theatrical film, That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea. The movie opened in Japan on February 27, 2026, followed by a United States and Canada theatrical release scheduled for May 1. The film and Season 4 are part of the same major franchise expansion, but available official information does not establish that the movie directly adapts a particular Season 4 episode.
As of the official updates available on August 12, 2026, the television broadcast is active and has reached episode-specific campaigns, while the film has begun receiving digital and rental distribution announcements in Japan. The complete five-cour project has not been confirmed as finished.
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Season 4 release schedule and format
The key detail is the format: Season 4 is planned as a split five-cour broadcast. A cour generally refers to one approximately three-month anime broadcast block, although the exact episode count and breaks can vary. The official announcement confirmed that the first two cours would air consecutively beginning in April 2026; it did not establish that all five cours would air without later breaks.
| Date | Update |
|---|---|
| December 19, 2025 | The five-cour Season 4 project was announced, with the first two cours set to air consecutively from April 2026. |
| April 3, 2026 | Crunchyroll’s announced streaming start for Season 4 in numerous international territories, including the United States and Canada. |
| July 31, 2026 | A Nippon Television broadcast interruption was handled with a recap special on BS11 on August 1. This means individual Japanese broadcast dates should not be described as entirely uninterrupted. |
| August 2026 | The official franchise portal was promoting episodes 87 through 89, confirming that the television run had progressed into episode-specific promotion. |
The original Season 4 announcement supplied the five-cour structure, while Crunchyroll’s later streaming announcement supplied the April 3 date and territory information.
What Season 4 is about
Season 4 continues Rimuru Tempest’s attempt to build a stable alliance between humans and monsters as the nation of Tempest grows more prosperous and politically influential. The official synopsis frames that progress as increasingly difficult: Granville Rozzo and Maribel Rozzo oppose Rimuru’s approach, while Demon Lord Leon is pursuing his own objectives in El Dorado.
The season also points toward the awakening of a new Hero. Those elements set up a broader political and supernatural conflict rather than a simple continuation of Tempest’s nation-building story. This is a spoiler-light premise; it does not reveal the outcomes of the conflicts or the identity and later role of the approaching Hero.
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What is Tears of the Azure Sea about?
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea moves the story to the underwater kingdom of Cayenne. According to the official film site, Cayenne’s people found a peaceful homeland with the help of a water dragon whom they worship as their guardian.
The story follows Yura, Cayenne’s priestess. She learns that someone plans to awaken the long-sleeping water dragon and use it to attack the surface world. Seeking help, she travels above the sea with a traditional flute and eventually reaches a resort island governed by Elmesia of Sarion.
Rimuru and his companions encounter Yura after Tempest’s founding festival, during a vacation. The group then travels to Cayenne, where a conspiracy is already taking shape. That setup gives the movie a self-contained underwater setting while connecting it to familiar characters and the wider political world of the series.
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Movie release history and current availability
| Market or format | Status |
|---|---|
| Japan theatrical release | Opened February 27, 2026. |
| United States and Canada theatrical release | Scheduled for May 1, 2026. Crunchyroll’s announcement lists Japanese audio with English subtitles and an English dub. |
| Japan streaming | The official film news page announced an exclusive U-NEXT distribution start on June 26, 2026. |
| Japan rental and digital sell-through | Limited early rental and digital purchase availability was announced through distribution platforms on August 12, 2026. |
| Japan Blu-ray and DVD | Scheduled for September 25, 2026. |
These are territory-specific announcements. U-NEXT and the Japanese digital platforms should not be presented as universally available in the United States or Canada. For the latest Japanese rental, digital, and home-video details, consult the film site’s official news page.
What the Japanese Blu-ray and DVD include
The official Japanese home-video page lists a September 25, 2026 release. The limited-edition Blu-ray includes a 56-page booklet, an ending illustration card, and a bonus disc containing stage-event material. The official announcement also lists Japanese retail prices.
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That information confirms the Japanese release, not a United States edition. Before purchasing an imported disc, check the listing’s region, subtitle and audio options, shipping terms, and player compatibility. A Japanese Blu-ray/DVD release may differ from a later North American edition, if one is announced.
Collectors can monitor the official Blu-ray and DVD page. At the time covered by these updates, a current U.S. Amazon listing and applicable region coding had not been verified.
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How to watch Season 4 and the movie
- Season 4: In the United States, Canada, and the other territories listed by Crunchyroll, the confirmed official streaming route is watch Season 4 on Crunchyroll, which announced streaming from April 3, 2026.
- The movie in theaters: Crunchyroll announced the United States and Canada theatrical release for May 1, 2026, including Japanese audio with English subtitles and an English dub. Theater availability can vary by city and screening window.
- The movie in Japan: Japanese viewers should use the official film announcements to check U-NEXT, rental, digital sell-through, and later physical-media availability.
- Other regions: Do not assume that the North American theatrical or Crunchyroll arrangements apply everywhere. Check the local Crunchyroll catalog, cinema listings, and the official film distributor notices for the relevant country.
There is no need to treat the film as a substitute for Season 4 or assume that watching one automatically supplies the other’s story. The currently documented information presents them as separate releases within the same franchise period.
Related reading for new and returning fans
The anime and films adapt the work associated with Fuse, and the franchise also includes the television series, Slime Diaries, and the earlier movie That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond. Kodansha’s franchise licensing page provides an overview of those related properties and international publishing and merchandise activity.
For readers who want a physical entry point rather than another streaming subscription, Yen Press lists That Time I Got Reincarnated as a Slime manga editions and retailer links, including Amazon. Its listed The Ways of the Monster Nation Volume 1 is a 160-page, Teen-rated physical manga volume with ISBN 9781975313500. This is a related reading recommendation—not a Season 4 home-video release—and readers should verify the exact volume and edition before ordering.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What remains unknown
- The five-cour structure is confirmed, but the available updates do not establish that all five cours have aired or provide a completed end date.
- The official information does not identify the movie as a direct adaptation of a specific Season 4 episode.
- A United States Amazon listing, region coding, and edition differences for the September 25 Japanese Blu-ray/DVD release remain unverified.
- Streaming, rental, theatrical, and home-video availability may differ by country and may change after the cited announcements.
Frequently Asked Questions
Is That Time I Got Reincarnated as a Slime Season 4 confirmed?
Season 4 is airing as a split five-cour project. The first two cours began consecutively in April 2026, but the available official information does not confirm that all five cours have finished.
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Where can I watch That Time I Got Reincarnated as a Slime Season 4?
Crunchyroll announced Season 4 streaming from April 3, 2026, including the United States, Canada, and numerous other territories. Catalog availability can vary by country.
What is Tears of the Azure Sea about?
The movie is set around Cayenne, an underwater kingdom protected by a water dragon. Priestess Yura seeks help after learning of a plan to awaken the dragon and attack the surface world.
When does the Tears of the Azure Sea Blu-ray come out?
The Japanese Blu-ray and DVD release is scheduled for September 25, 2026. The official site confirms the date and limited-edition contents, but not a U.S. edition, region coding, or current U.S. Amazon availability.
The Bottom Line
Bottom line: That Time I Got Reincarnated as a Slime Season 4 is already broadcasting as a split five-cour project that began streaming internationally on April 3, 2026. The companion movie, Tears of the Azure Sea, opened in Japan on February 27 and received a United States and Canada theatrical release on May 1. Japanese digital and home-video announcements have followed, but viewers should verify territory-specific availability rather than assume that every service or disc edition is available worldwide.
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