Full Name: Demon Slayer: Mugen Train Arc
Release Year: 2021
Language: Japanese (Eng-Sub)
Quality: 720p & 1080p
TV version of Kimetsu no Yaiba Movie: Mugen Ressha-hen. The series includes an all-new episode 1 featuring the day leading up to the events in the movie, plus re-edited 6 episodes featuring new scenes and music, for a total of 7 episodes.