(Photo by: Mike Rozman/NBC)

Monday, December 18, 2017 ratings — New episodes:  The Voice, Ellen’s Game of Games, The Great Christmas Light Fight,  Kevin Can Wait, Man with a Plan, 9JKL, Superior Donuts, and Scorpion. Specials: Popstar’s Best of 2017, The Hollywood Walk of Fame Honors 2017 and The Year in Memoriam 2017. Reruns:  Lucifer and The Gifted.

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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?