Friday Primetime Results:

· "Dateline NBC" (1.1/4 in 18-49, 5.2 million viewers overall from 9-10 p.m. ET) grew steadily throughout its time period and increased by 44% in 18-49 rating from its first half-hour to its fourth (to a 1.3 from a 0.9), by 19% in total viewers (5.7 million vs. 4.7 million) and by 46% in adults 25-54 (1.9 vs. 1.3). By its fourth half-hour from 10:30-11 p.m., "Dateline" ranked #1 among ABC, CBS and NBC in adults 18-34 (with a 0.9 rating), women 18-34 (1.1) and women 18-49 (1.7) and tied for #1 among women 25-54 (2.4). In total viewers, "Dateline" beat NBC's slot average last season by 7% (5.244 million vs. 4.919 million, L+SD non-sports).

· From 8-8:30 p.m. ET, an encore telecast of "The Michael J. Fox Show" averaged a 0.6/2 in 18-49 and 2.8 million viewers overall and from 8:30-9 p.m. ET, a rebroadcast of "Sean Saves the World" (0.6/2 in 18-49, 2.8 million viewers overall) retained 100% of its 18-49 lead-in from the "Michael J. Fox Show" and retained 99.6% of its total-viewers lead-in.

In Late-Night Metered Markets Friday night:

· In Nielsen's 56 metered markets, household results were: "The Tonight Show with Jay Leno," 2.7/7; CBS's "Late Show with David Letterman," 2.4/6; and ABC's "Jimmy Kimmel Live," 1.8/5 with an encore.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show with Jay Leno," 0.8/4; "Late Show," 0.6/3; and "Jimmy Kimmel Live," 0.7/3 with an encore.

· From 12:35-1:05 a.m. ET, ABC's "Nightline" averaged a 1.2/4 in metered-market households and a 0.5/3 in 18-49 in the Local People Meters.

· From 12:35-1:35 a.m. ET, "Late Night with Jimmy Fallon" (1.6/5 in metered-market households) beat CBS's "Late Late Show with Craig Ferguson" (1.2/4). In the 25 markets with Local People Meters, "Late Night" (0.5/3 in 18-49) topped "Late Late Show" (0.3/2).

· At 1:35 a.m., "Last Call with Carson Daly" averaged a 0.7/3 in metered-market households with an encore and a 0.3/2 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.