Thursday, May 13, 2021 ABC 8:00 p.m. “Grey’s Anatomy” (R, two hours) 10:00 p.m. “Rebel” CBS 8:00 p.m. “Young Sheldon” (season finale) 8:30 p.m. “United States of Al” 9:00 p.m. “Mom” (series finale) 9:30 p.m. “B Positive” (season finale) 10:00 p.m. “Clarice” NBC 8:00 p.m. “Manifest” 9:00 p.m. “Law & Order: SVU” 10:00 p.m. “Law […]