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Friday, December 17, 2021 ratings — New episodes: Shark Tank and The Greatest #AtHome Videos. Special: The 89th Annual Hollywood Christmas Parade and Sing. Sports: Friday Night Smackdown. Reruns: 20/20, Dateline NBC, and Blue Bloods.
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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?
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