Friday, December 12, 2021 ABC 8:00 p.m. “Shark Tank” 9:00 p.m. “20/20” (two hours) CBS 8:00 p.m. “S.W.A.T.” 9:00 p.m. “Magnum, P.I.” 10:00 p.m. “Blue Bloods” NBC 8:00 p.m. “The Wall” 9:00 p.m. “Dateline” (two hours) Fox: 8:00 p.m. “WWE Friday Night Smackdown!” CW: 8:00 p.m. Penn & Teller: Fool Us” (R) 10:00 p.m. “Nancy […]