Fast National ratings for Thursday, August 6, 2009.

FOX's "So You Think You Can Dance" closed out its summer season on a high note, with ratings momentum that the network can only hope carries into a fall season.

Among adults 18-49, FOX averaged a 3.4 rating, well ahead of the 1.8 rating for CBS. NBC was a distant third in the all-important demo with a 1.1 rating, beating the 0.7 rating for ABC and The CW's 0.5 rating.

Overall, FOX averaged an estimated 9.33 million viewers to go with a 5.6 rating/10 share. CBS was a solid second with a 4.6/8, doubling the combined totals for third place NBC (2.2/4) and fourth place ABC (2.0/2). The CW trailed with a 0.9/2.

FOX started the night in first with a 5.0/9 for the opening hour of the "So You Think You Can Dance" finale. CBS' "Big Brother" was a solid second with a 4.2/8. ABC's "Grey's Anatomy" repeat edged the 2.0/4 for NBC's "30 Rock" and "Parks and Recreation." The CW's "Supernatural" was fifth with a 0.9/2.

"So You Think You Can Dance" had a 6.2/11 in its climactic hour, giving FOX a big 9 p.m. win. CBS' "CSI: Crime Scene Investigation" was second with a 4.8/8. ABC's "Grey's Anatomy" had a 2.0/4 and nipped NBC's "The Office" and "30 Rock" for third. Another episode of Supernatural" held stead for The CW.

CBS grabbed the 10 p.m. hour with a 5.0/9 for "The Mentalist." NBC's "Law & Order" was second with a 2.8/5. ABC's "Private Practice" was third.

 

All ratings information comes from preliminary Fast National Nielsen data, which includes live and same-day DVR viewing. All numbers are subject to change.