Friday, December 17, 2021 ABC 8:00 p.m. “Shark Tank” 9:00 p.m. “20/20” (two hours) CBS 8:00 p.m. “The Greatest #AtHome Videos” 9:00 p.m. “The Greatest #AtHome Videos” 10:00 p.m. “Blue Bloods” (R) NBC 8:00 p.m. Movie: “Sing” (2016) 10:00 p.m. “Dateline” (two hours) Fox: 8:00 p.m. “WWE Friday Night Smackdown!” CW: 8:00 p.m. “The 89th […]
