Friday, August 18, 2017 ratings — New episodes: Masters of Illusion and What Would You Do. Reruns: MacGyver, Hawaii Five-0, Blue Bloods, Shark Tank, 20/20, America’s Got Talent, MasterChef, Beat Shazam, Dateline NBC, Masters of Illusion, and Penn & Teller: Fool Us.
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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?