Adult Swim’s Toonami programming block has announced that the Demon Slayer: Kimetsu no Yaiba 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