Friday, May 18, 2018 ratings — New episodes: Once Upon a Time, Marvel’s Agents of SHIELD, 20/20, Undercover Boss: Celebrity Edition, Hawaii Five-0, Blue Bloods, Life Sentence, Blindspot, and Dateline NBC. Special: Harry and Meghan: A Love Story. Reruns: Blue Bloods
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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?