Bushiroad has announced that the English dub for the new Cardfight!! Vanguard anime series will premiere on the anime’s official YouTube channel on May 25, 2018 at 9:30 p.m. EDT. New episodes will stream on Fridays at the same time.
The series will premiere on Japanese television on May 5, 2018. The official YouTube channel will stream the series with English subtitles starting on May 5, 2018 at 8:30 a.m. EDT, and Crunchyroll will stream the series with English subtitles starting on May 5, 2018 at 8:40 a.m. EDT. Both websites will update with new episodes on Saturdays.
Bushiroad does not list that Crunchyroll will stream the English dub version.