Friday Primetime Results:

· "Grimm" (1.3/4 in 18-49, 5.2 million viewers overall at 9 p.m. ET) grew 63% versus its lead-in in adults 18-49 and was up 45% in total viewers. "Grimm" is currently running within 0.1 of a point of last week's 1.4 in these preliminary fast-affiliate ratings and within 0.2 of last week's 1.5 in official nationals. In the time period, "Grimm" is #2 among the Big 4 nets in adults 18-34, men 18-34, women 18-34 (tie) and men 18-49. "Grimm" grew from half-hour to half-hour by 8% in 18-49 rating (to a 1.3 from a 1.2).

· L+7 Time-Shifting: "Grimm" is a heavily time-shifted series -- the Dec. 13 "Grimm" telecast grew by +118% going from these next-day "live plus same day" results to "live plus seven day" figures (to a 2.57 from a 1.18).

· "Dracula" averaged a 0.8/2 in 18-49 and 2.6 million viewers overall at 10 p.m. ET, to finish within a tenth of a point of last week's 0.9 in 18-49. L+7 Time-Shifting: Note that the Dec. 6 "Dracula" grew by +68% going from these next-day "live plus same day" results to "live plus seven day" (to a 1.91 from a 1.14 on Dec. 6).

· The NBC News Special "Going for Gold" averaged a 0.8/3 in 18-49 and 3.6 million viewers overall from 8-9 p.m. ET

In Late-Night Metered Markets Friday night:

· In Nielsen's 56 metered markets, household results were: "The Tonight Show with Jay Leno," 2.8/6; CBS's "Late Show with David Letterman," 2.5/6; and ABC's "Jimmy Kimmel Live," 2.2/5 with an encore.

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

· From 12:35-1:05 a.m. ET, ABC's "Nightline" averaged a 1.5/4 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 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 0.9/3 in metered-market households and a 0.3/3 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.