The exact duration for how long "Demon Slayer: Infinity Castle" will be in theaters varies by region and theater policy. However, officially, movies like this typically run for about 4 to 6 weeks on average in theaters, sometimes longer depending on popularity and box office performance. The movie was released in Japan on July 18, 2025, with global releases following shortly after. The film is part of a trilogy and highly anticipated, so it may have an extended theatrical run in some places. If specific local theater duration details are needed, checking with local listings would be most accurate.
