Fast National ratings for Thursday, Oct. 8, 2009

Thursday night’s ratings continued the pattern of CBS’ “CSI” drawing the most viewers, but ABC’s “Grey’s Anatomy” (featuring an upright roaring bear) taking home the adult 18-49 title.

NBC’s “The Office” wedding special for characters Jim and Pam also drew nearly 2 million more viewers than the previous week’s airing.

For the night, CBS averaged 13.5 million viewers and an 8.4 rating/14 share in households. ABC took second with 10.8 million viewers and an 7.0/11. FOX (8 million, 4.9/8) was third, followed by NBC (6.3 million, 3.9/6) came in fourth, ahead of The CW (3 million, 1.9/3).

In the coveted adult 18-49 demographic, ABC led with a 4.0 rating, beating out CBS’ 3.3. NBC took third with a 2.8, followed by FOX, 2.5, and The CW, 1.4.

Thursday night hour by hour:

8 p.m.

CBS: “Survivor: Samoa” (11.7 million viewers, 7.1/11 households)
FOX: “Bones” (9.9 million, 6.1/10)
ABC: “FlashForward” (9 million, 5.9/9)
NBC: “Community” (5.1 million, 3.5/6)/”Parks and Recreation” (5 million, 3.3/5)
The CW: “The Vampire Diaries” (3.5 million, 2.1/3)

18-49 leader: “Survivor” tied at 3.4

9 p.m.

CBS: “CSI” (14.6 million, 9.1/14)
ABC: “Grey’s Anatomy” (13.8 million, 8.9/14)
NBC: “The Office” (9.1 million, 5.2/8)
FOX: “Fringe” (6 million, 3.7/6)
The CW: “Supernatural” (2.5 million, 1.6/2)

18-49 leader: “Grey’s Anatomy” (5.3)

10 p.m.

CBS: “The Mentalist” (14.2 million, 9.1/16)
ABC: “Private Practice” season premiere (9.5 million, 6.3/11)
NBC: “The Jay Leno Show” (4.8 million, 3.1/5)

18-49 leader: “Private Practice” (3.7)

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