NBC PRIMETIME RATINGS RESULTS FOR SEPT. 18, 2009

UNIVERSAL CITY, Calif. � September 19, 2009 � The following are NBC primetime ratings results for September 18.

From 8-10 p.m. ET, NBC's "Dateline NBC" averaged a 1.8 rating, 6 share in adults 18-49 and 7.4 million viewers overall. "Dateline NBC" scored the network's highest 18-49 rating in the slot since June 12 and attracted NBC's biggest overall audience in the time period since October 17, 2008. In the time period, "Dateline" was #1 among the major networks in all key ratings categories (including a tie with Fox in men 18-34).

From its first half-hour to its fourth, "Dateline" increased its 18-49 rating by 64 percent (to a 2.3 from a 1.4) and its overall viewership by 52 percent or nearly 3.2 million persons (9.2 million vs. 6.1 million).

From 10-11 p.m. ET, "The Jay Leno Show" averaged a 2.1/7 in adults 18-49, a 2.7/8 in adults 25-54 and 7.7 million viewers overall.

"The Jay Leno Show" ranked #1 among the major networks in the time period in adults 18-49, #1 in adults 25-54 (the key demographic for late local news) and #1 in total viewers and all other key ratings categories. Last night's time-period competition included CBS's "Numb3rs" encore and ABC's season premiere of "20/20."

"The Jay Leno Show" delivered the highest 18-49 rating for any Friday non-sports primetime telecast on any major network since May 15.

Versus Jay Leno's 2008-09 average at 11:35 p.m. ET on "The Tonight Show with Jay Leno," last night's telecast was up substantially in adults 18-49 (2.1 vs. 1.4), adults 25-54 (2.7 vs. 1.8) and total viewers (7.7 million vs. 5.1 million). Versus NBC's Monday-through-Friday 10-11 p.m. ET non-sports average over the prior 52 weeks, last night's telecast was also competitive in adults 18-49 (2.1 vs. 2.2), adults 25-54 (2.7 vs. 2.7) and total viewers (7.7 million vs. 6.9 million).

NBC is #1 among the major networks for the night in adults 18-49, adults 25-54, total viewers and all other key ratings categories.

Preliminary 18-49 averages for Friday night, based on fast affiliate-based figures from Nielsen Media Research, are: NBC, 1.9/7; Fox, 1.0/4; CBS, 1.0/3; ABC, 0.8/3; and CW, 0.5/2. In overall total viewers, September 18 preliminary results are: NBC, 7.5 million; CBS, 4.5 million; Fox, 3.9 million; ABC, 3.3 million; and CW, 1.3 million.

Note that all national ratings are "live plus same day" unless otherwise indicated.