Wednesday, September 11, 2013 ratings — Premieres: The X Factor. Finales: Camp and MasterChef. New episodes: Big Brother, The Million Second Quiz, and America’s Got Talent. Reruns: Shark Tank, Arrow, Modern Family, Criminal Minds, Supernatural, Nashville, and CSI.

* The X Factor percentages represent the change when compared to last year’s season premiere on 9/12/12.

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?