Thursday, December 21, 2017, ratings — New episodes: Great News, Young Sheldon, Mom, Life in Pieces, and SWAT. Special: A Charlie Brown Christmas, CMA Country Christmas, and A SNL Christmas Special. Reruns: The Big Bang Theory, Gotham, The Orville, Arrow, and Supernatural.
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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?