Friday, May 21, 2021 ABC 8:00 p.m. “Shark Tank” (season finale) 9:00 p.m. “20/20” (two hours) CBS 8:00 p.m. “The Dick Van Dyke Show – Now in Living Color!” 9:00 p.m. “Magnum, P.I.” (R) 10:00 p.m. “Blue Bloods” (R) NBC 8:00 p.m. “The Blacklist” 9:00 p.m. “Dateline” (two hours) Fox: 8:00 p.m. “WWE Friday Night […]