Fast National ratings for Tuesday, August 11, 2009.

Another robust two hours of "America's Got Talent" helped NBC dominate the Tuesday ratings competition, though several other networks had reasons for Tuesday happiness as well.

Among adults 18-49, NBC averaged a 2.8 rating, just ahead of the 2.4 rating for FOX in the key demographic. CBS finished third with a 1.8 rating, followed by the 1.2 rating for ABC and The CW's 0.3 rating.

Overall, NBC averaged an estimated 10.47 million viewers in primetime to go with a 6.4 rating/11 share. CBS was well back in second with a 4.3/7, topping the 3.1/5 for FOX and ABC's 2.8/5. The CW trailed with a 0.5/1.

CBS started the night in first with a 5.8/10 for "NCIS." NBC's "America's Got Talent" repeat took third, nipping the 3.9/7 for FOX's "Hell's Kitchen" and ABC's "Who Wants To Be a Millionaire." [Note that FOX dominated the hour in the 18-49 demographic with a 3.1 rating, far ahead of the 1.9 rating for CBS.] The CW's "90210" was fifth with a 0.6/1.

NBC moved into first in the 9 p.m. hour with a 7.6/13 for "America's Got Talent." CBS' "Big Brother 11," showing recent rating strength, had a 4.4/7 for second. FOX's "More to Love" had a 2.4/4, beating the 1.7/3 two new episodes of ABC's "Better Off Ted." The CW trailed with another episode of "90210."

"America's Got Talent" stayed in first at 10 p.m. with a 7.4/13 for NBC. ABC's "Primetime" special and CBS' "Medium" tied for second with a 2.7/5.

 

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