The information you’ve provided is a perfect summary of the film Demon Slayer: Kimetsu no Yaiba – The Movie: Mugen Train, which was released in 2020. It’s a hugely popular anime movie that serves as a direct sequel to the first season of the Demon Slayer anime series.

The plot you described is accurate: Tanjiro, Inosuke, and Zenitsu join forces with the Flame Hashira, Kyojuro Rengoku, to investigate and defeat a demon on the “Infinity Train.” The movie is a critical part of the franchise’s story, as it sets up the events for the second season of the anime.

The film was directed by Haruo Sotozaki and produced by the renowned animation studio Ufotable. It broke numerous box office records in Japan and worldwide, becoming one of the most successful anime films of all time.

Cast

Title: Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train
Year: 2020
Runtime: 117 minutes
Genre: Animation, Action, Fantasy, Thriller
Country: Japan
Language: 日本語
Director: Haruo Sotozaki

Natsuki Hanae, Akari Kito, Hiro Shimono, Yoshitsugu Matsuoka, Satoshi Hino, Takahiro Sakurai, Katsuyuki Konishi, Saori Hayami, Kenichi Suzumura, Tomokazu Seki