Demon Slayer: Kimetsu no Yaiba Entertainment District Episode 4 Tonight ( Air Date 2021-12-26 ) Genre Animation, Action & Adventure, Sci-Fi & Fantasy category. Overview "As Tanjiro close in on the demon that has been preying upon the entertainment district. But even as he closes in, the others continue to follow their leads toward their query. Who will find the demon first? And will they be able to survive the confrontation when they do?".