Fast National ratings for Tuesday, August 25, 2009.

While "America's Got Talent" delivered Tuesday's highest overall ratings for NBC, FOX won the key demographic on the back of Chef Gordon Ramsay.

Among adults 18-49, FOX averaged a 2.6 rating, narrowly edging the 2.5 rating for NBC. CBS was third in the all-important demo, leaving ABC's 1.3 rating and the 0.3 rating for The CW in the rear.

Overall, though, NBC averaged an estimated 9.49 million viewers to go with a 5.9 rating/10 share, beating out the 5.2/9 for CBS. FOX fell to third overall with a 3.5/6, still beating the 2.4/4 for ABC. The CW's 0.6/1 was fifth.

CBS started the night on top with a 6.2/11 for "NCIS." FOX's "Hell's Kitchen" was second overall with a 4.3/8 and also turned in the night's best demo numbers with a 3.4 rating. NBC's "America's Got Talent" repeat was third, followed by ABC's reairing of the "Shaq Vs" premiere. The CW's "90210" was fifth with a 0.6/1.

NBC moved into first at 9 p.m. with a 6.9/11 for "America's Got Talent," which also controlled the hour in the key demo. CBS' "Big Brother" was second with a 4.7/8. There was a third place tie between FOX's "More to Love" and ABC's new "Shaq Vs," which both did a 2.6/4 (with FOX holding the slightest of advantages in both total viewers and in the 18-49 demo). The CW's "90210" trailed.

"America's Got Talent" stayed in first at 10 p.m. with a 6.8/12 for NBC. CBS' "The Mentalist" was a solid second, well ahead of the 2.3/4 for ABC's "Primetime: The Outsiders" special.

 

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