Monday Results:

* From 8-10 p.m. ET, "The Biggest Loser" (2.4 rating, 6 share in adults 18-49, 6.1 million viewers overall) equaled its highest 18-49 rating for a regularly scheduled episode since the "Biggest Loser 12" finale on Tuesday, Dec. 13, 2011 (2.7 from 9-11, excludes this season's Sunday premiere on January 6). Last night's "Biggest Loser" maintained 100 percent of its 2.4 ratings for both last week and the show's regular-slot premiere of two weeks ago. From its first half-hour to its fourth, "Loser" grew by 14 percent in 18-49 rating (to a 2.5 from a 2.2). In women 18-34, "The Biggest Loser" ranked #2 among ABC, CBS, NBC and Fox in the time period.

* Week three of "Loser" topped the show's year-ago third episode in 18-49 (2.3/6 on Tuesday, Jan. 17, 2012 from 8-10) and is up 9 percent versus last year's finale (2.2/7 on May 1, 2012), despite the move of the show from its long-time home on Tuesdays to a new night running head-to-head against ABC's "Bachelor," CBS's comedies and Fox's "Bones" and "The Following."

* From 10-11 p.m. ET, "Deception" averaged a 1.3/3 in 18-49, 3.6 million viewers overall. In women 18-34, "Deception" finished within 0.1 of a point of #1 among ABC, CBS and NBC (scoring a 1.7 rating vs. a 1.8 for "Castle," with "Deception" moving ahead among those networks in women 18-34 for the 10:30-11 p.m. half-hour).

In Late-Night Metered Markets Monday night:

* In Nielsen's 56 metered markets, household results were: "The Tonight Show with Jay Leno," 2.2/6 with an encore telecast; CBS's "Late Show with David Letterman," 2.2/6 with an encore; and ABC's "Jimmy Kimmel Live," 2.0/5 with an encore.

* In the 25 markets with Local People Meters, adult 18-49 Wednesday results were: "The Tonight Show with Jay Leno," 0.7/3 with an encore; "Late Show," 0.5/3 with an encore; and "Jimmy Kimmel Live," 0.7/3 with an encore.

* From 12:35-1:05 a.m. ET Wednesday night, 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" (1.0/3 in metered-market households with an encore) trailed CBS's "Late Late Show with Craig Ferguson" (1.1/4 with an encore). In the 25 markets with Local People Meters, "Late Night" (0.3/2 in 18-49 with an encore) tied "Late Late Show" (0.3/2 with an encore).

* At 1:35 a.m., "Last Call with Carson Daly" averaged a 0.6/3 in metered-market households with an encore and a 0.1/1 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."