The new Demon Slayer movie, titled "Demon Slayer: Kimetsu no Yaiba Infinity Castle Chapter 1," has a runtime of 155 minutes, which is 2 hours and 35 minutes. This makes it one of the longest anime movies ever made and longer than the previous "Mugen Train" movie, which was about 117 minutes long. The movie is part of a trilogy and covers the beginning of the Infinity Castle arc, marking the start of the final battle in the Demon Slayer saga.
