The Demon Slayer: Kimetsu no Yaiba Mugen Train Arc TV

The Mugen Train Arc of Demon Slayer: Kimetsu no Yaiba TV version features an entirely new first episode focusing on Rengoku's initial journey to the Mugen Train. This addition is supplemented by approximately 70 new animation cuts and background music not present in the original Mugen Train Arc. The updated series retains the original episodes and storyline from the Mugen Train Arc.