Friday, March 19, 2021 ratings — New episodes: Whose Line Is It Anyway?, Penn & Teller: Fool Us, and 20/20. Sports: WWE Friday Night Smackdown and 2021 NCAA Basketball Tournament. Reruns: The Blacklist, Dateline NBC, Shark Tank, and Whose Line Is It Anyway?.
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These are the fast affiliate ratings. The percentages represent the change since the previous original episode. (Percentages aren’t given for reruns or specials.) To see past ratings for a particular show, click the show’s link. The show pages are updated with the daily final ratings when they become available. Those pages include season averages to date.
What were you watching last night? Original network programming, reruns, cable, or something else?