Fast National ratings for Wednesday, July 8, 2009.

FOX's "So You Think You Can Dance" failed to win either of its hours in the key 18-49 demo, but that didn't stop the network from winning the night in the demo, holding off NBC which won a slim overall victory.

Among adults 18-49, FOX averaged a 2.8 rating, beating the 2.1 rating for NBC and ABC. CBS was fourth in the key demo with a 1.3 rating, which topped the 0.3 rating for The CW.

Overall, though, NBC averaged an estimated 7.68 million viewers in primetime to go with a 4.8/9, nipping the 4.6/8 for FOX and CBS' 4.1/7. ABC finished fourth overall with a 3.6/6. The CW's 0.7/1 trailed.

In the 8 p.m. hour, FOX's "So You Think You Can Dance" and ABC's "Wipeout" both posted a 4.5/8, but ABC won in both total viewers (8.07 million to 7.25 million) and in the 18-49 demo (2.8 rating to 2.7 rating). NBC's "America's Got Talent" encore was a close third, well ahead of the 2.8/5 for CBS' "The New Adventures of Old Christine" and "Gary Unmarried." The CW trailed with a 0.7/1 for "America's Next Top Model."

NBC's new "America's Got Talent" had a 7.1/12 in the 9 p.m. hour, standing as both the night's most watched program (11.69 million viewers) and its top show in the 18-49 demo (3.3 rating). FOX's "So You Think You Can Dance" improved slightly to a 4.8/8 in its second hour, nipping CBS' "Criminal Minds." ABC's "I Survived a Japanese Game Show" was fourth with a 2.3/4, beating "America's Next Top Model" on The CW.

CBS moved into first in the 10 p.m. hour with a 4.8/9 for "CSI: Miami." ABC's "Primetime: Crime" was second and won the hour in the 18-49 demo. NBC's "The Philanthropist" had a 3.4/6 for 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.