Adult Swim’s Toonami programming block has announced that the Demon Slayer: Kimetsu no Yaiba television anime will premiere on October 12, 2019.
Aniplex of America announced in July 2019 that the anime will premiere on Toonami with an English dub.
Demon Slayer: Kimetsu no Yaiba premiered on April 6, 2019, and Aniplex of America licensed the series. The show is streaming on Hulu, Crunchyroll, and FunimationNow.
Source: ANN