(ABC/David Bukach)

Thursday, June 21, 2018 ratings — New episodes:  The Gong Show, Match Game, Take Two, Little Big Shots, Marlon, Four: Battle for Stardom.  Reruns: The Big Bang Theory, Young Sheldon, Mom, Life in Pieces, SWAT, Law & Order: SVU, Supernatural, and Black Lightning.

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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?