Demon Slayer: Mugen Train, the 2020 anime film, broke records with a $21 million domestic debut and over $450 million worldwide. The film's success is attributed to its talented cast and crew. Based on the manga series by Koyoharu Gotouge, Demon Slayer is known for its unique characters and stunning fight scenes. Mugen Train balances exposition and exploration, making it accessible to both new and veteran fans. The film covers a full canon arc, making it rewatchable. The Flame Hashira, Rengoku, steals the show with a memorable performance. The animation in Mugen Train is eye-catching and keeps viewers engaged. The film introduces new characters, Enmu and Akaza, adding to the excitement. Mugen Train's emotional moments tug at audiences' heartstrings, leaving viewers wanting more. Overall, Demon Slayer: Mugen Train is a must-watch for anime fans old and new.