Friday, August 14, 2020 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 or series finale) 9:00 p.m. “Magnum, P.I.” (R) 10:00 p.m. “Blue Bloods” (R) NBC 8:00 p.m. “The Wall” (R) 9:00 p.m. “Dateline” (two hours) Fox: 8:00 p.m. “Friday Night Smackdown!” (two hours) CW: […]