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Wednesday, January 20, 2021 ratings — New episodes:  Riverdale, Nancy Drew, The Conners, Call Your Mother, The Masked Dancer, and Name That Tune.  Specials: The Inauguration of Joseph R. Biden Jr., One Nation: Indivisible, and Celebrating America.  Reruns: Magnum PI and Chicago PD.

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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?