Tuesday Results:

NBC has won Tuesday in 18-49 with the #1 show of the night in 18-49, "The Voice" (3.9/10). For the first time in eight years, NBC has won each of the first four Tuesdays of the season in 18-49 among ABC, CBS, NBC and Fox.

· "The Biggest Loser" (2.2/7 in 18-49, 7.0 viewers overall from 8-9 p.m.) is up 10% in total viewers versus last year's regular-slot premiere (7.003 million vs. 6.387 million from 8-10 p.m. on Monday, Jan. 7, 2013) and also up versus a special Sunday debut (7.003 million vs. 6.995 million from 9-11 p.m. on Sunday, Jan. 6, 2013). In adults 18-49, "Loser" is within 0.2 of that Monday regular-slot premiere's 2.4 and within 0.8 of the special Sunday debut. "Biggest Loser" is up half-hour to half-hour in every key ratings category, including gains of 20% in adults 18-49 (to a 2.4 from a 2.0), 11% in total viewers (7.4 million vs. 6.6 million) and 27% in adults 18-34 (1.9 vs. 1.5).

· "Biggest Loser" is matching the 18-49 rating for the show's season finale on May 1, 2012 (2.2/7 in 18-49, 7.205 million viewers overall), which is "Loser's" most recent Tuesday telecast prior to last night.

· In women 18-34, "The Biggest Loser" ranks #1 in the hour among ABC, CBS, NBC and Fox, and in women 18-49 and 25-54, "Loser" ranks #2 among those nets.

· "The Voice" (3.9/10 in 18-49, 12,7 million viewers overall from 9-10:01 p.m. ET) is up 30% versus last week's recap episode in 18-49 (3.9 vs. 3.0) and up 24% in total viewers (12.690 million vs. 10.199 million), while running within 13% of its prior Tuesday non-recap telecast in both 18-49 (4.5 from 8-10:01 on October 1) and total viewers (12.690 million vs. 14.539 million).

· "The Voice" is #1 in the time period in adults 18-49 and all other key demographics and is the #1 show of the night in 18-49 and other key demos.

· "Chicago Fire" (2.4/7 in 18-49, 8.2 million viewers overall from 10:01-11 p.m. ET) is up week to week by 14% in 18-49 (2.4 vs. 2.1) and 11% in total viewers (8.249 million vs. 7.429 million). "Chicago Fire" is #1 in the 10 p.m. hour among ABC, CBS and NBC in adults 18-49 and other key demos.

· "Chicago Fire" is up 50% versus the show's year-ago fourth episode in 18-49 rating (1.6 on Wednesday, Oct. 31, 2012) and is up 47% in total viewers (8.249 million vs. 5.622 million)..

· L+3: In "Live Plus Three Day" ratings last week, "Chicago Fire" added 47% or 0.99 of a point to its next-day "live plus same day" 18-49 rating (to a 3.12 in L+3 from a 2.13 in L+SD) and in total viewers, added 38% or 2.838 million persons (10.267 million vs. 7.429 million). These are the record L+3 lifts for "Chicago Fire" in both 18-49 and total viewers.

· L+7: In "Live Plus Seven Day" ratings for premiere week, "Chicago Fire" added 40% or 1.07 rating points to its next-day "live plus same day" 18-49 rating (to a 3.74 in L+7 from a 2.67 in L+SD) and in total viewers, added 40% or 3.521 million persons (12.420 million vs. 8.899 million).

In Late-Night Metered Markets Tuesday night:

· In Nielsen's 56 metered markets, household results were: "The Tonight Show with Jay Leno," 2.7/7 with an encore telecast; CBS's "Late Show with David Letterman," 2.7/7; and ABC's "Jimmy Kimmel Live," 2.0/5.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show with Jay Leno," 0.9/5 with an encore; "Late Show," 0.6/3; and "Jimmy Kimmel Live," 0.8/4.

· From 12:35-1:05 a.m. ET, ABC's "Nightline" averaged a 1.2/4 in metered-market households and a 0.4/3 in 18-49 in the Local People Meters.

· From 12:35-1:35 a.m. ET, "Late Night with Jimmy Fallon" (1.3/5 in metered-market households with an encore) tied CBS's original "Late Late Show with Craig Ferguson" (1.3/5). In the 25 markets with Local People Meters, "Late Night" (0.5/4 in 18-49 with an encore) topped "Late Late Show" (0.3/2).

· At 1:35 a.m., "Last Call with Carson Daly" averaged a 0.8/4 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. Season figures are averages of "live plus seven day" data except for the two most recent weeks, which are "live plus same day."