NBC's NinjA Warrior #1 in Time Slot

From 8-10 p.m. ET, "American Ninja Warrior" (1.8 rating, 5 share in adults 18-49, 5.5 million viewers overall) hit a new season high last night in 18-49 rating, despite the Labor Day holiday. Week to week, "Ninja Warrior" is up 6% (with a 1.8 rating from 8-10 p.m. this week vs. a 1.7 last week from 8-9) and versus two weeks ago, the increase is 20% (1.8 vs. 1.5).

"American Ninja Warrior" won the 8-10 p.m. time period among ABC, CBS, NBC and FOX in every key ratings category - adults, men and women 18-34, 18-49 and 25-54, plus total viewers.

"American Ninja Warrior" grew from its first half-hour to its fourth by 20% (to a 1.8 from a 1.5) and has generated significant half-hour growth with nine of nine NBC telecasts this summer. Last night's edition grew from its first half-hour to its fourth in every key demographic

At 10 p.m. ET, "Siberia" (0.7/2 in adults 18-49, 1.9 million viewers overall) is currently up a tenth of a point or 17% week to week in adults 18-49 (to a 0.7 from a 0.6), pending updates, to match its highest rating since July 15. In total viewers, "Siberia" is up 9% week to week (to 1.893 million from 1.733 million), pending updates, which currently makes this the top "Siberia" in total viewers since July 29.

In Late-Night Metered Markets Monday night:

In Nielsen's 56 metered markets, household results were: "The Tonight Show with Jay Leno," 1.8/5 with an encore telecast; CBS's "Late Show with David Letterman," 1.9/5 with an encore; and ABC's "Jimmy Kimmel Live," 1.5/4 with an encore.

In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show with Jay Leno," 0.6/3 with an encore; "Late Show," 0.4/2 with an encore; and "Jimmy Kimmel Live," 0.5/2 with an encore.

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" (0.9/3 in metered-market households with an encore) tied CBS's "Late Late Show with Craig Ferguson" (0.9/3). In the 25 markets with Local People Meters, "Late Night" (0.4/3 in 18-49 with an encore) topped "Late Late Show" (0.2/2).

At 1:35 a.m., "Last Call with Carson Daly" averaged a 0.6/3 in metered-market households with an encore and a 0.2/2 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."