Monday Results:

* From 8-10 p.m. ET, "The Biggest Loser" averaged a 2.0 rating, 5 share in adults 18-49 and 5.8 million viewers overall, to finish within a tenth of a point of its fifth episode of one year ago in 18-49 rating (with a 2.0 last night vs. a 2.1 on Tuesday, Jan. 31, 2012). From its first half-hour to its fourth, last night's "Biggest Loser" grew by 16 percent in 18-49 rating (to a 2.2 from a 1.9).

* From 10-11 p.m. ET, "Deception" (1.2/3 in 18-49, 3.1 million viewers overall) equaled its 18-49 rating for the prior week, while finishing within a tenth of a point of its result from two weeks ago (1.3 on January 21).

In Late-Night Metered Markets Monday night:

* In Nielsen's 56 metered markets, household results were: "The Tonight Show with Jay Leno," 2.5/7; CBS's "Late Show with David Letterman," 3.0/8; and ABC's "Jimmy Kimmel Live," 2.3/6.

* In the 25 markets with Local People Meters, adult 18-49 Wednesday results were: "The Tonight Show with Jay Leno," 0.8/4; "Late Show," 0.7/3; and "Jimmy Kimmel Live," 0.7/4.

* From 12:35-1:05 a.m. ET Wednesday night, ABC's "Nightline" averaged a 1.4/5 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" (1.3/5 in metered-market households) trailed CBS's "Late Late Show with Craig Ferguson" (1.4/5). In the 25 markets with Local People Meters, "Late Night" (0.6/4 in 18-49) topped "Late Late Show" (0.4/2).

* At 1:35 a.m., "Last Call with Carson Daly" averaged a 0.8/3 in metered-market households and a 0.4/3 in adults 18-49 in the 25 markets with local people meters.

For the Week:

* For the week of January 28-February 3, NBC averaged a 1.2 rating, 3 share in adults 18-49 and 3.9 million viewers overall, according to "live plus same day" viewing data from Nielsen Media Research. Top-30 shows on NBC included "Biggest Loser," "Chicago Fire," "The Office" and "30 Rock."

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."