Tuesday Results:

· "The Biggest Loser" (1.7/5 in 18-49, 5.5 viewers overall from 8-10 p.m. ET) tied for #1 in the time period in women 18-34 among ABC, CBS, NBC and Fox and ranked #2 among those nets in women 18-49 and 25-54. "Biggest Loser" equaled last week's 18-49 rating and is up week to week in total viewers (5.508 million vs. 5.458 million).

· "Chicago Fire" (1.8/5 in 18-49, 6.6 million viewers overall from 10-11 p.m. ET) finished within 0.2 of a rating point of the time-period lead among ABC, CBS and NBC ("Person of Interest," 2.0/6) and won the hour in adults 18-34, women 18-34 and women 18-49 among those nets. "Chicago Fire" more than doubled ABC's week two of "Killer Women" in adults 18-49 (0.7/2) and beat the ABC series in every key measure. Note that last week's "Chicago Fire" grew by 47% in 18-49 and more than 3 million viewers overall in "live plus three day" ratings (see details below).

· "Chicago Fire" is currently running within a tenth of a point of last week's 1.9 in these prelim fast-national ratings and within 0.2 of last week's 2.0 in official nationals.

· Despite the 10 p.m. hour, "Chicago Fire" maintained or increased its rating from half-hour to half-hour in every key measure

· L+3 Time-Shifting: "Chicago Fire" added 47% or 0.92 of a point to last week's next-day "live plus same day" 18-49 rating (to a 2.87 in L+3 from a 1.95 in L+SD) and 3.104 million viewers overall (9.976 million vs. 6.872 million). The 0.92 lift in 18-49 was "Chicago Fire's" biggest since Oct. 22.

· NBC finished #2 for the night in adults 18-49 against all original competition on the Big 4 and tied for #1 in adults 18-34.

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; CBS's "Late Show with David Letterman," 2.6/7; and ABC's "Jimmy Kimmel Live," 1.7/4.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show with Jay Leno," 0.7/3; "Late Show," 0.6/3; and "Jimmy Kimmel Live," 0.6/3.

· From 12:35-1:05 a.m. ET, ABC's "Nightline" averaged a 1.0/3 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, "Late Night with Jimmy Fallon" (1.5/5 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 0.9/4 in metered-market households 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."