FRIDAY, JULY 28, 2017 ABC 8:00 p.m. “Shark Tank” (R) 9:00 p.m. “What Would You Do?” 10:30 p.m.: “20/20? CBS 8:00 p.m. “Big Brother” 9:00 p.m. “Hawaii Five-O” (R) 10:00 p.m. “Blue Bloods” (R) NBC 8:00 p.m. “America’s Got Talent” (R, two hours) 10:00 p.m. “Dateline” Fox 8:00 p.m. “MasterChef” (R) 9:00 p.m. “Beat Shazam” […]