josephfiennes flashforward 290 TV ratings: 'Grey's Anatomy,' 'FlashForward' score for ABC ThursdayFast National ratings for Thursday, Sept. 24, 2009

The premieres of “FlashForward” and “Grey’s Anatomy” dominated Thursday’s ratings, topping CBS’ “Survivor”-and-crime drama lineup and taking a good-sized bite out of NBC’s comedies.

ABC averaged 15.3 million viewers and a 9.8 rating/16 share in households for the night. CBS was a fairly solid second with just under 14 million viewers and an 8.5/14. FOX (7.3 million, 4.6/7) finished a distant third. NBC (5.3 million, 3.4/6) came in fourth, and The CW trailed with 3.2 million viewers and a 2.0/3.

In the adults 18-49 demographic, ABC’s 5.8 ratings was more than two points better than that of second-place CBS (3.7). FOX took third in the demo with a 2.5, followed by NBC at 2.2 and The CW at 1.4.

Thursday’s hourly results:

8 p.m.

ABC: “FlashForward” series premiere (12.4 million viewers, 7.7/13 households)
CBS: “Survivor: Samoa” (11.9 million, 6.9/11)
FOX: “Bones” (8.8 million, 5.5/9)
NBC: “SNL Weekend Update Thursday” (4.7 million, 3.2/5)/”Parks and Recreation” (4.2 million, 3.2/5)
The CW: “The Vampire Diaries” (3.8 million, 2.4/4)

18-49 leader:
“FlashForward” (4.1)

9 p.m.

ABC: “Grey’s Anatomy” season premiere (17.1 million, 11.0/17)
CBS: “CSI” season premiere (15.7 million, 9.5/15)
NBC: “The Office” (7.3 million, 4.4/7)/”Community” (5.4 million, 3.4/5)
FOX: “Fringe” (5.9 million, 3.6/6)
The CW: “Supernatural” (2.6 million, 1.7/3)

18-49 leader: “Grey’s Anatomy” (6.6)

10 p.m.

ABC: “Grey’s Anatomy” (16.5 million, 10.6/18)
CBS: “The Mentalist” season premiere (14.3 million, 9.1/15)
NBC: “The Jay Leno Show” (5 million, 3.4/6)

18-49 leader: “Grey’s Anatomy” (6.6)

Ratings information includes live and same-day DVR viewing. All numbers are preliminary and subject to change.

More ratings at Zap2it: Daily, weekly and cable

Posted by:Rick Porter