The final episode of Demon Slayer: Entertainment District Arc (season 2) will be 45 minutes long, according to the anime series’s official Twitter. It will air on February 13, 2022 in Japan. It will also simulcast on Crunchyroll and Funimation. Overall, the second season will have 18 episodes, with 7 of that 18 from the Mugen Train Arc. [Thanks, ryokutya2089!]
In the manga, Muzan holds a meeting with the Upper Moon demons after the Entertainment District Arc ends. This is the first time that readers get an introduction to Upper Moon characters other than Akaza. However, it is still unknown if ufotable plans on including this scene with final episode’s extra runtime.
Despite its 11 PM timeslot in Japan, Demon Slayer: Entertainment District Arc has been doing exceedingly well in terms of audience ratings. According to Video Research Ltd., it has an overall audience rating of 20%. That means, including those who record the show and then watch it at a later time, over 20% of households in Japan are watching Demon Slayer: Entertainment District Arc. With this many eyes glued to the screen, and with the wildly positive reception of the previous episode, it is safe to say that expectations are high for the final episode of the show.
Demon Slayer: Entertainment District Arc season 2, along with the rest of the show, is available to stream on Crunchyroll and Funimation. The final episode of Demon Slayer: Entertainment District Arc will air on February 13, 2022.