Friday Primetime Ratings:

"Dateline NBC" (1.0/4 in 18-49, 1.4 in adults 25-54, 4.7 million viewers overall from 9-11 p.m. ET):

· Maintains 100% week to week in adults 18-49 (1.0 vs. 1.0) and adults 25-54 (1.4 vs. 1.4 and increases in total viewers (4.683 million vs. 4.628 million).

· Grows +25% from its first half-hour to its fourth in 18-49 (0.8 to 1.0), +25% in adults 25-54 (0.9 to 1.2) and +16% in total viewers (4.2 million to 4.9 million).

· For its second hour from 10-11 p.m., ranks #2 among ABC, CBS and NBC, ahead of ABC's "20/20" in adults, men and women 18-49; adults, men and women 25-54; and total viewers.

· Will add substantial viewership via time-shifting - last season, Friday's "Dateline NBC" grew by +32% over the past season in 18-49 rating (from a 0.99 to a 1.31) and more than +1.1 million viewers overall (4.7 million to 5.9 million) going from L+SD to L+7.

An encore telecast of "This Is Us" averaged a 0.6/3 in 18-49 and 2.7 million viewers overall from 8-9 p.m. ET, retaining 100% of its 18-49 rating from its first half-hour to its second.

In Late-Night Metered Markets Friday Night:

· In Nielsen's 56 metered markets, household results were: "The Tonight Show Starring Jimmy Fallon," 2.4/6; "Late Show with Stephen Colbert," 2.3/6; and ABC's "Jimmy Kimmel Live," 1.6/4 with an encore.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show Starring Jimmy Fallon," 0.7/4; "Late Show," 0.4/2; and "Jimmy Kimmel Live," 0.5/3, 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 0.3/2 in 18-49 in the Local People Meters.

· From 12:35-1:35 a.m. ET, ratings were: "Late Night with Seth Meyers," 1.3/4 in metered-market households with an encore; CBS's "Late Late Show," 1.3/4 with an encore. In the 25 markets with Local People Meters, averages were: "Late Night," 0.4/3 in 18-49 with an encore; "Late Late Show," 0.3/2 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: Primetime results are based on "fast affiliate time period" data from Nielsen Media Research. All ratings are "live plus same day" unless otherwise indicated.