Friday Primetime Results:

NBC tied for the nightlong win among the Big 4 in adults 18-49 and won the night outright among those nets in total viewers, adults 25-54 and all key adult-female demos.

· "Dateline NBC" (1.3/5 in 18-49, 7.0 million viewers overall from 8-9 p.m. ET) ranked as the #1 show of the night on the Big 4 networks in adults 18-49 and total viewers. In the time period, "Dateline" is #1 among ABC, CBS, NBC and Fox in adults, men and women 18-49; adults, men and women 25-54; and total viewers.

· "Dateline NBC" is the #1 newsmagazine of the night in adults 18-49, adults 25-54 (1.7 rating) and total viewers.

· "Grimm" (1.2/4 in 18-49, 5.1 million viewers overall from 9-10 p.m. ET) ranked #1 for the hour among the Big 4 networks in adults 18-49, adults 25-54, women 25-54 and women 18-49.

· "Grimm" tied for the #2 show of the night on the Big 4 in adults 18-49, behind only "Dateline" (tied with "20/20") and tied for the #1 show of the night on those nets in adults 25-54 (tied with "Dateline," 1.7 rating each).

· "Grimm" will add substantial audience via time-shifting, growing on average this season by +78% in 18-49 rating (from a 1.30 to a 2.32) and 2.7 million viewers overall (4.9 million to 7.6 million) when L+7 time-shifted viewing is added to these next-day L+SD results.

· "Constantine" (0.9/3 in 18-49, 3.3 million viewers overall from 10-11 p.m. ET) equaled the show's average rating of its prior four telecasts in adults 18-49 (0.9 vs. 0.9), despite this week's holiday distractions.

· "Constantine" maintained its rating from half-hour to half-hour in adults 18-49 (0.9 vs. 0.9) and adults 25-54 (1.2 vs. 1.2), despite the 10 p.m. hour. In women 25-54 , "Constantine" grew by +18% half-hour to half-hour (from a 1.1 to a 1.3).

· "Constantine" will add substantial audience via time-shifting, increasing on average this season by +70% in 18-49 rating (from a 1.10 to a 1.87) and 2.0 million viewers overall (3.5 million to 5.5 million) when L+7 time-shifted viewing is added to these next-day L+SD results.

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 with an encore telecast; CBS's "Late Show with David Letterman," 1.7/4 with an encore; and ABC's "Jimmy Kimmel Live," 1.9/5 with an encore.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show Starring Jimmy Fallon," 0.9/4 with an encore; "Late Show," 0.3/1 with an encore; and "Jimmy Kimmel Live," 0.6/3 with an encore.

· From 12:35-1:05 a.m. ET, ABC's "Nightline" averaged a 1.2/3 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" (1.2/4 in metered-market households with an encore) beat CBS's "Late Late Show with Craig Ferguson" (0.9/3). In the 25 markets with Local People Meters, "Late Night" (0.5/3 in 18-49 with an encore) topped "Late Late Show" (0.2/1).

· 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.