Tuesday Results:

NBC finished #1 for the night in adults 18-49 among the Big 4 with the #1 show of the night, "America's Got Talent."

· "America's Got Talent" (1.8/6 in 18-49, 8.9 million viewers overall from 9-11 p.m. ET) won its two-hour time period among the Big 4 in every key demo - adults, men and women 18-34, 18-49 and 25-54. "Talent" led the time period among the Big 4 by a +38% margin in adults 18-49 (with a 1.8 rating vs. a 1.3 for #2 CBS) and by a +63% advantage in adults 18-34 (1.3 vs. 0.8 for CBS).

· "America's Got Talent" ranked as the #1 show of the night on ABC, CBS, NBC and Fox in adults 18-49, as well as adults 25-54, adults 18-34 and other key demos.

· "Food Fighters" (1.1/4 in 18-49, 4.5 million viewers overall from 8-9 p.m. ET) matched a four-week high in 18-49 rating (best since a 1.2 on Aug. 5) and was even with last week's 1.1 rating.

· In the time period, "Food Fighters" tied for #2 among ABC, CBS, NBC and Fox in adults 18-49, tied for #1 among the Big 4 in adults 18-34 and ranked #1 outright among those nets in women 18-34.

In Late-Night Metered Markets Tuesday Night:

· In Nielsen's 56 metered markets, household results were: "The Tonight Show Starring Jimmy Fallon," 2.9/8; CBS's "Late Show with David Letterman," 2.0/5; and ABC's "Jimmy Kimmel Live," 1.7/5.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show Starring Jimmy Fallon," 1.1/6; "Late Show," 0.4/2; and "Jimmy Kimmel Live," 0.5/3.

· From 12:35-1:05 a.m. ET, ABC's "Nightline" averaged a 1.1/4 in metered-market households and a 0.3/2 in 18-49 in the Local People Meters.

· From 12:35-1:35 a.m. ET, "Late Night with Seth Meyers" (1.3/5 in metered-market households) beat CBS's "Late Late Show with Craig Ferguson" (1.1/4). In the 25 markets with Local People Meters, "Late Night" (0.6/4 in 18-49) topped "Late Late Show" (0.2/2).

· At 1:35 a.m., "Last Call with Carson Daly" averaged a 0.7/3 in metered-market households with an encore and a 0.4/3 in adults 18-49 in the 25 markets with local people meters.

NOTE: All ratings are "live plus same day" from Nielsen Media Research unless otherwise indicated. Season figures are averages of "live plus seven day" data except for the two most recent weeks, which are "live plus same day."