Friday, May 17, 2013 ratings — New episodes: Shark Tank, 20/20, Undercover Boss, 48 Hours, Nikita, Dateline, and Rock Center With Brian Williams. Reruns: Kitchen Nightmares, Undercover Boss, Bones, and Supernatural.
These are the fast affiliate ratings. The “demo” refers to the viewers in the 18-49 demographic. The percentages represent the change since the previous original episode. (Percentages aren’t given for reruns or specials.) “Million” refers to the total number of viewers.
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 percentage changes in both the demo and total viewership, in addition to season averages to date.
What were you watching last night? Original episodes, reruns, or something even better?