Even without recent Tuesday standout "The Voice," NBC had no trouble dominating the evening thanks to three strong hours of "America's Got Talent."
Among adults 18-49, NBC averaged a 4.2 rating for the night, nearly topping the combined totals for FOX (1.8 rating), ABC (1.5 rating) and CBS (1.2 rating) in the key demographic. The CW averaged a 0.2 rating.
Overall, NBC averaged an estimated 14.41 million viewers and an 8.2 rating/14 share. CBS was a distant second with a 4.6/8 and 7.115 million viewers, which easily beat the 2.8/5 and 4.78 million viewers for ABC and FOX's 4.13 million viewers and 2.5/4. The CW averaged a whopping 524,000 viewers.
8 p.m. - The first "America's Got Talent" hour gave NBC 12.21 million viewers and a 3.4 rating among adults 18-49 to win the 8 p.m. hour. CBS was second overall with 8.86 million viewers for "NCIS." ABC's "Wipeout" repeat averaged 5.14 million viewers and finished second in the key demo with a 1.6 rating. FOX was fourth with 3.48 million viewers for "Kitchen Nightmares." On The CW, "One Tree Hill" pulled in 613,000 viewers.
9 p.m. - "America's Got Talent" rose to 15.65 million viewers and a 4.5 rating among adults 18-49 to rule the 9 p.m. hour for NBC. CBS' "NCIS: Los Angeles" was second overall with 6.95 million viewers, but fourth in the key demo. With a weaker lead-in, ABC's "101 Ways To Leave A Game Show" slipped slightly in viewers to 4.85 million viewers, but the summer reality entry averaged a 1.9 key demo rating, up slightly from last week. FOX's "MasterChef" was fourth overall with 4.77 million viewers and second in the key demo with a 2.1 rating. On The CW, "Hellcats" drew 435,000 viewers and a sterling 0.1 rating in the key demo.
10 p.m. -
The night's final hour of "America's Got Talent" averaged 15.37 million viewers and a 4.5 demo rating for NBC. CBS was second with 5.53 million viewers and a 1.2 key demo rating for a "48 Hours Mystery" special on Casey Anthony (numbers that improved on last week's "The Good Wife" repeat). ABC's new "Combat Hospital
" averaged 4.34 million viewers and a 1.1 key demo rating.
All ratings information comes from preliminary Fast National Nielsen data, which includes live and same-day DVR viewing. All numbers are subject to change.