Demon Slayer: Kimetsu no Yaiba – The Movie: Infinity Castle

Demon Slayer: Kimetsu no Yaiba – The Movie: Infinity Castle is a 2025 Japanese animated dark fantasy action film based on the Infinity Castle arc of the 2016–20 manga series Demon Slayer: Kimetsu no Yaiba by Koyoharu Gotouge. It is a direct sequel to the fourth season of the anime television series as well as the manga fourth, fifth, and sixth adaptations, following the film Mugen Train (2020) and the feature-length compilations To the Swordsmith Village (2023) and To the Hashira Training (2024). It is directed by Haruo Sotozaki, produced by Ufotable, and written by the studio's staff members. It follows the Demon Slayer Corps in their decisive climactic battle against Muzan Kibutsuji and the remaining Upper Ranks within the titular "Infinity Castle".