(ABC/Sergei Bachlakov)

Monday, January 27, 2020 ratings — New episodes: The Bachelor, The Good Doctor, Undercover Boss, 9-1-1: Lone Star, Prodigal Son,  America’s Got Talent: The Champions, Manifest, All American, and Black Lightning. Reruns: The Neighborhood, Bob ♥ Abishola, and Bull.

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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?