Demon Slayer: Infinity Castle hits US and UK cinemas on September 12, 2025. For more, check out the best anime you should be watching right now, and keep up to date with new anime heading your way.

That being said, there are plenty of powerful anime movies from decades back that are heralded as classics that are ahead of their time. Of course, foundational retro anime movies like Akira ...

Demon Slayer Infinity Castle has a rumored runtime thanks to a new report – and, if the runtime proves accurate, it could be one of the longest anime movies ever.