The Demon Slayer: Kimetsu no Yaiba – The Movie: Infinity Castle premiered in Japan on July 18, 2025, and was released in the U.S. and Canada on September 12, 2025, in theaters. As for streaming on Crunchyroll, there is no official release date yet, but it is anticipated to come to Crunchyroll sometime in the first few months of 2026. Usually, Crunchyroll releases such movies several months after their theatrical run, potentially around January 2026 or later. The streaming release will likely follow once the Japanese Blu-ray release occurs, which is expected the following year after theatrical debut.

In summary:

• The movie is currently in theaters since September 12, 2025, in the U.S. and Canada.
• Streaming on Crunchyroll is expected in early 2026, but no official date is confirmed yet.
• The movie will appear on Crunchyroll after the typical theatrical and home video release window passes.

This means fans will need to wait a few months after the theatrical release before seeing it on Crunchyroll.