Thursday, September 12, 2013 ratings — New episodes: The Million Second Quiz, America’s Next Top Model, Perfect Score, Dateline, and 20/20. Reruns: Last Man Standing, So You Think You Can Dance, Undercover Boss, The Neighbors, Shark Tank, Hawaii Five-0, Perfect Score, and Blue Bloods.

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 episodes, reruns, cable, or something else?