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Friday, September 20, 2019 ratings — New episodes: Masters of Illusion, The Big Stage, Red Bull Peaking and Dateline NBC. Reruns: 20/20, American Housewife, Fresh Off the Boat, Hawaii Five-0, Magnum PI, Blue Bloods, American Ninja Warrior, Dateline NBC, and MasterChef.

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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?