Both the official website Twitter account for the Demon Slayer: Kimetsu no Yaiba anime have announced that the fourth episode of the Demon Slayer: Kimetsu no Yaiba Mugen Train Arc (Kimetsu no Yaiba: Mugen Ressha-Hen) anime will be delayed by one week due to coverage of the Japanese House of Representatives elections.
The fourth episode, which was originally scheduled to air on October 31st , will now premiere on November 7th on Fuji TV . All other broadcasts of the series will also be delayed by one week.
Demon Slayer: Kimetsu no Yaiba Mugen Train Arc is a seven-episode arc that adapts the Mugen Train film , the adaptation premiered on October 10 .
Source: ANN