Thursday hour by hour:
8 p.m.
CBS: "Big Bang Theory" premiere (15.3 million, 9.3/16 households)/ "Two and a Half Men" premiere (12.4 million, 7.7/12
FOX: "The X Factor" (9.85 million viewers, 5.9/10)
ABC: "Last Resort" premiere (9.1 million, 5.8/9)
NBC: "SNL Weekend Update Thursday" (5.4 million, 3.6/6)/"Up All Night" (4.5 million, 2.8/4)
The CW: "The Vampire Diaries" rerun (771,000, 0.6/1)
18-49 leader: "Big Bang Theory" (4.8)

at 10 million with that competition.