Tuesday Results:

NBC is #1 for the night among the Big 4 in every key measure.

· "America's Got Talent" (2.1/7 in 18-49, 9.4 million viewers overall from 9-11 p.m. ET) ranks as the #1 show of the night among the Big 4 in 18-49, total viewers and virtually all other key measures. In 18-49, "Talent" is up +11% versus last week's 1.9 rating in these prelim fast-national ratings and up +5% versus last week's 2.0 in official nationals.

· "America's Got Talent" won its two-hour time period among the Big 4 by a margin of +91% (2.1 vs. 1.1 for second-place ABC from 9-11 p.m.) and by +65% in total viewers (9.4 million vs. 5.7 million for second-place CBS).

· "America's Got Talent" matched the show's top Tuesday rating in four weeks (since a 2.4 on July 29)

· "Food Fighters" (1.1/4 in 18-49, 4.7 million viewers overall from 8-9 p.m. ET) is currently up +10% versus last week's 1.0 in official nationals, to a three-week high (best since a 1.2 on Aug. 5), and is even with last's 1.1 in these preliminary fast nationals. In total viewers, the 4.7 million is a four-week high, pending updates. In the time period, "Food Fighters" ranked #2 among the Big 4 in adults 18-49.

· "Food Fighters" grew from half-hour to half-hour by +20% in adults 18-49 (to a 1.2 from a 1.1) and +10% in total viewers (4.9 million vs. 4.5 million).

In Late-Night Metered Markets Tuesday Night:

· In Nielsen's 56 metered markets, household results were: "The Tonight Show Starring Jimmy Fallon," 2.3/6 with an encore telecast; 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," 0.7/3 with an encore; "Late Show," 0.3/2; and "Jimmy Kimmel Live," 0.6/3.

· From 12:35-1:05 a.m. ET, ABC's "Nightline" averaged a 1.1/4 in metered-market households and a 0.4/2 in 18-49 in the Local People Meters.

· From 12:35-1:35 a.m. ET, "Late Night with Seth Meyers" (1.0/4 in metered-market households with an encore) tied CBS's "Late Late Show with Craig Ferguson" (1.0/4 with an encore). In the 25 markets with Local People Meters, "Late Night" (0.3/2 in 18-49 with an encore) topped "Late Late Show" (0.2/1 with an encore).

· At 1:35 a.m., "Last Call with Carson Daly" averaged a 0.7/3 in metered-market households with an encore and a 0.2/2 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."