Fast National ratings for Wednesday, July 21, 2010.
 
FOX's "So You Think You Can Dance" didn't win either of its hours in the 18-49 demo, but the network was still narrowly able to claim the demo for the night, with NBC triumphing overall.
 
Among adults 18-49, FOX averaged a 2.1 rating, nipping the 2.0 rating for NBC in the all-important demographic. CBS was a close second with a 1.7 rating, with ABC's 1.1 rating and the 0.4 rating for The CW following.
 
Overall, though, NBC averaged an estimated 7.22 million viewers to go with a 4.4 rating/8 share. CBS was second with a 4.1/7 and nearly 6.4 million viewers. FOX finished third with a 3.5/6, with ABC's 2.6/5 and the 0.7/1 for The CW trailing.
 
CBS' "Big Brother" started the night in first with a 3.9/7 and a 2.2 demo rating. NBC's "Minute to Win It" was second overall with a 3.7/7 and third in the demo. FOX's "So You Think You Can Dance" was a close third overall with a 3.5/7 and a close second with a 2.1 demo rating. ABC's repeats of "The Middle" were fourth, beating the 0.8/1 for The CW's "America's Next Top Model."
 
NBC grabbed the lead in the 9 p.m. hour with a  5.8/10 and a 2.6 demo rating for an "America's Got Talent" results show. CBS' "Criminal Minds" repeat was second with a 4.3/7. FOX had a 3.5/6 for "So You Think You Can Dance," which stayed second in the demo. ABC's repeats of "Modern Family" and "Cougar Town" were fourth with a 2.5/4, far ahead of The CW's "America's Next Top Model" repeat.
 
CBS was back in first overall at 10 p.m. with a 4.1/7 for "CSI: NY." NBC's "Law & Order: Special Victims Unit" was second overall and first in the demo with a 1.5 rating. ABC's "Castle" was third with a 2.6/5.
 
All ratings information comes from preliminary Fast National Nielsen data, which includes live and same-day DVR viewing. All numbers are subject to change.
 
Dan-feinberg-med
A long-time member of the TCA Board and a longer-time blogger of "American Idol," Dan Fienberg writes about TV, except for when he writes about movies or sometimes writes about the Red Sox. But never music. He would sound stupid talking about music.