Summary

Demon Slayer: Mugen Train returns to theaters with 4K and premium formats for immersive viewing.
The rerelease sets the stage for the upcoming Infinity Castle trilogy, offering fans a cinematic experience.
International rollout of the Infinity Castle arc begins in July 2025, with select countries premiering throughout August and September.

Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train is officially returning to theaters this year, with a 4K theatrical rerelease across North America and select international territories, as confirmed by Crunchyroll and Aniplex of America. Originally released in 2020, the film was a global phenomenon, becoming the highest-grossing anime movie of all time and a landmark moment for anime in mainstream cinema. Now, it’s set to make a comeback in premium formats, marking its first theatrical return since the original run.

The timing is no coincidence. With the highly anticipated Demon Slayer: Infinity Castle trilogy beginning later this year, the rerelease of Mugen Train acts as both a technical upgrade and a narrative refresh.

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What’s New in the 2025 Mugen Train Movie Rerelease?

Upgraded Visuals And Music

For the first time ever, Mugen Train will screen in 4K resolution. Alongside the visual boost, the film has been enhanced with Dolby Atmos and Dolby Cinema sound mixes, promising a fully immersive viewing experience. Fans in Japan will also see it available in IMAX, 4DX, and MX4D, while international screenings in the U.S., Canada, and select regions are expected to follow with similar premium format offerings.

The theatrical return begins on May 14, 2025, in North America and select international regions. While the availability of premium formats like IMAX, 4DX, and MX4D will vary by territory, fans can expect both subbed and dubbed versions to be offered. A newly cut trailer highlights the enhanced visuals and sound that will define this upgraded release.

Why Is Demon Slayer: Mugen Train Rereleasing Now?

Setting the Stage for Infinity Castle

With the upcoming Infinity Castle movie trilogy beginning in Japan on July 18, 2025—and rolling out internationally between August and September—Mugen Train functions as a narrative and emotional primer, of sorts.

For newer fans who discovered the anime through streaming or its serialized Mugen Train Arc on TV, this rerelease offers a rare opportunity to see the story as it was meant to be experienced: in a theater, with all the technical and emotional weight fully realized. And for longtime fans, it’s a return to one of anime’s most pivotal cinematic moments.

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Infinity Castle Arc Movie – Global Release Dates and What to Expect

The first film in the Infinity Castle trilogy will premiere in Japan in July 2025, before rolling out internationally in stages throughout August and September.

The global rollout begins in select Asian countries, with other regions following soon after:

August 14, 2025 – Malaysia, Singapore, Pakistan
August 15, 2025 – Cambodia, Indonesia, Vietnam
August 20, 2025 – Philippines
September 11, 2025 – Latin America, Central America, the Caribbean, Australia, New Zealand, various European & Middle Eastern countries
September 12, 2025 – United States, Canada, India, United Kingdom
September 17, 2025 – France, Belgium, parts of Africa
September 25, 2025 – Germany, Austria, Switzerland