Katherine Heigl, 'Grey's Anatomy'

Katherine Heigl of 'Grey's Anatomy'

Fast National ratings for Thursday, April 30, 2009

CBS and ABC staged another close ratings race Thursday, with "CSI" leading the viewer race and "Grey's Anatomy" winning the demographic crown.

CBS averaged a 7.8 rating/13 share in primetime, beating out ABC' 7.0/11. FOX came in third with a 4.9/8. NBC, 3.9/6, finished fourth, and The CW trailed with a 1.9/3.

The adults 18-49 title went to ABC, which scored a 3.5 rating in the advertisers' favorite demo. CBS took second at 3.2. FOX and NBC tied for third at 2.5, and The CW earned a 1.3.

"Survivor: Tocantins" put CBS on top at 8 with a 7.1/12. "Bones," 5.5/9, grabbed second for FOX. The return of "Ugly Betty" drew a modest 4.7/9 for ABC, but that was good enough to beat the 3.4/6 average for "My Name Is Earl" and "Parks and Recreation" on NBC. The CW's "Smallville" trailed.

"CSI" grabbed the night's biggest audience at 9 p.m., scoring a 9.6/15. "Grey's Anatomy" was close behind at 9.4/15 and led the hour in adults 18-49. "Hell's Kitchen" came in third for FOX. "The Office," 4.4/7, and "30 Rock," 3.6/6, kept NBC in fourth. "Supernatural" drew a 1.8/3 for The CW.

The season finale of ABC's "Private Practice," 6.8/12, led in households and adults 18-49 at 10 p.m., but a "Criminal Minds" rerun, 6.7/11, drew more viewers to CBS. "Southland" slid some more, scoring a 4.3/7 for NBC.

Ratings information is taken from fast national data, which includes live and same-day DVR viewing. All numbers are preliminary and subject to change.