Friday, August 20, 2021 ABC 8:00 p.m. “Shark Tank” (R) 9:00 p.m. “20/20” (two hours) CBS 8:00 p.m. “The Greatest #AtHomeVideos” (season premiere) 9:00 p.m. “Love Island” 10:00 p.m. “Blue Bloods” (R) NBC 8:00 p.m. “American Ninja Warrior” (R, two hours” 10:00 p.m. Dateline” Fox: 8:00 p.m. “WWE Friday Night Smackdown” CW: 8:00 p.m. “Burden […]
