The official social media account for the Demon Slayer: Kimetsu no Yaiba TV anime has announced that the 11th episode set to air next Sunday will be the last one of the arc and will be an extended finale at a 45 minute runtime The series previously announced cast additions in December along with a new exhibition and festival in January to celebrate the TV anime that is set for this Spring in Japan.
The rest of Demon Slayer: Kimetsu no Yaiba, including the Mugen Train film and arc, is also available to watch on Crunchyroll.
The Entertainment District Arc began airing on Japanese TV on December 5 and streams on Crunchyroll and Funimation weekly soon after its TV broadcast.