Jack (Miles Brown) and Diane (Marsai Martin) try to help the seniors pull off a prank, Junior (Marcus Scribner) and Olivia (Katlyn Nichol) have a talk about family boundaries, and Dre (Anthony Anderson) and Bow (Tracee Ellis Ross) relax with some edibles -- at least, until real life interrupts. From 'black-ish' season 7, episode 12, 'High Water Mark.' Watch 'black-ish' TUESDAY 9|8c on ABC, streaming, on demand, and Hulu.