Demon Slayer: Kimetsu no Yaiba Infinity Castle Part 1 arrives on Netflix US September 28. This anime blockbuster achieved significant box office success following its 2025 theatrical debut. The film earned over USD 793 million worldwide, becoming a global box office success. It shattered domestic opening records for an anime film, surpassing previous benchmarks. The story continues with Infinity Castle Part 2 currently in development.