The first installment of the Demon Slayer movie trilogy, titled "Demon Slayer: Infinity Castle," is already out in Japan since July 18, 2025. It will be released in the United States, United Kingdom, Canada, and many other countries on September 12, 2025. Prior to that, the movie begins its international rollout starting in August 2025 in several Asian countries like Malaysia, Singapore, Thailand, and others. The film will be available in both Japanese with English subtitles and English dubbed versions, including formats like IMAX. In summary:

• Japan release: July 18, 2025 (already released)
• International rollout from August 2025 (various countries starting mid-August)
• US, UK, Canada release: September 12, 2025

This movie is part one of a trilogy that adapts the final arc of the Demon Slayer story.