The BanG Dream! OAV will also be included on the 7th and final Japanese Bluray release of the BanG Dream! TV anime, which will be published in Japan on November 22, 2017.
TV Aichi: Sunday, August 20, 2017, during the 25:05 time slot (i.e. at 1:05 AM on Monday morning).
AT-X: Sunday, August 20, 2017, during the 22:30 time slot.