CBS Tops Thursday with Reruns, CW's "Supernatural" Gets Surprising Results.

Prime-Time Ratings:
Thursday 9/18/08

-Total Viewers:
CBS: 9.29 million, Fox: 5.44, ABC: 5.42, NBC: 5.24, CW: 4.17

-Adults 18-49:
Fox: 2.4 rating/7 share, CBS: 2.3/ 7, ABC, NBC and CW: 1.8/ 5 each
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Ratings: 'CSI,' 'Flashpoint' Top Thursday
CBS wins overall, but 'Kitchen Nightmares' leads the 18-49 demo

Fast National ratings for Thursday, Sept. 18, 2008

Fans of "CSI" must be gearing up for the show's forthcoming premiere, because the show's rerun ratings were up substantially Thursday.

The crime drama's strong performance helped CBS average a 6.3 rating/11 share for the night, which was well ahead of the competition. ABC (3.7/6), NBC (3.5/6) and FOX (3.4/6) all finished within 200,000 viewers of one another, with FOX grabbing the most total viewers (5.44 million). The CW came in at 2.5/4.

In the adults 18-49 demographic, FOX's 2.4 rating edged CBS' 2.3 for the lead. ABC, NBC and The CW finished in a three-way tie for third at 1.8.

The first of two "CSI" reruns on CBS drew a 5.5/9 at 8 p.m. NBC took second for the hour with "America's Got Talent," 6.3/11, and "My Name Is Earl," 3.3/6. ABC's " Ugly Betty" repeat, 3.1/5, came in third among households, but FOX's "Hole in the Wall" snagged a few more total viewers. The season premiere of "Smallville" earned a 2.7/5 for The CW.

A second "CSI" grabbed the night's biggest audience at 9 p.m. with a 6.9/11. FOX's "Kitchen Nightmares," 3.9/6, finished second in viewers and led the hour among adults 18-49, despite trailing ABC's " Grey's Anatomy," 4.0/6, in households. An hour-long "Office" rerun put NBC in fourth, ahead of "Supernatural," which premiered to a 2.3/4 on The CW.

"Flashpoint," 6.6/11, scored its best ratings of the season to finish the CBS sweep at 10 p.m. "Grey's Anatomy," 4.2/7, kept ABC ahead of NBC and "ER," 2.7/5.