Demon Slayer: Kimetsu no Yaiba is a Japanese anime series based on the manga series of the same title, written and illustrated by Koyoharu Gotouge. The second season adapts volumes seven to eleven (chapters 55–97) of the manga series and ran in two cours, with the first part titled Demon Slayer: Kimetsu no Yaiba – Mugen Train Arc, a seven-episode version of "Mugen Train" as seen in the film featuring new music and additional animation, which aired from October 10 to November 28, 2021.[1][2] The second part is titled Demon Slayer: Kimetsu no Yaiba – Entertainment District Arc which aired 11 episodes, from December 5, 2021 to February 13, 2022.[3] The season was directed by Haruo Sotozaki, with character designs by Akira Matsushima, and animation produced by Ufotable; staff and cast from the first season and Demon Slayer: Kimetsu no Yaiba – The Movie: Mugen Train also returned.[4][5]