Monday Results:

· From 8-10 p.m. ET, the NBC season premiere of "American Ninja Warrior" (1.7 rating, 5 share in adults 18-49, 4.9 million viewers overall) grew dramatically through its time period, generating this half-hour track: 1.3, 1.6, 1.8, 2.0. "Ninja" grew by 54% from its first half-hour to its fourth in 18-49 (to a 2.0 from a 1.3) and by 23% or 1 million persons in total viewers (5.4 million vs. 4.4 million). In the time period, "Ninja" ranked #2 among ABC, CBS, NBC and Fox in 18-49 and total viewers and finished #1 among those networks in all key adult-male demos.

· For its second hour, "Ninja" is #1 in 18-49 among ABC, CBS, NBC and Fox (with a 1.9 rating for that hour), as well as all key adult-male demos. For the full time period, "Ninja" was #2 in 18-49 (within a tenth of a point of #1) and total viewers among those nets and #1 in all key adult-male demos.

· Keep in mind that last year's "American Ninja Warrior" premiere benefited from a 3.2 lead-in from "America's Got Talent." Despite that advantage for the year-ago debut, this year's "Ninja" premiere finished within 0.7 of a point of that year-ago debut (1.7 vs. 2.4). Last year's premiere also benefitted from a higher-viewership date, May 21, and a higher-viewership time period, 9-11 p.m. Last year's fourth half-hour did a 2.2 and this year's fourth half-hour did a 2.0.

· From 10:01-11 p.m. ET, the debut of "Siberia" (1.1/3 in adults 18-49, 3.2 million viewers overall) ranked #2 or tied for #2 in the slot among ABC, CBS and NBC in adults 25-54, adults 18-34 and all key adult-male demos versus original drama competition on ABC and CBS.

· "Siberia" maintained 92% of its 18-49 rating from its first half-hour to its second (to a 1.1 from a 1.2) despite airing in the 10 p.m. ET hour, and maintained 100% in adults 25-54 (1.4 for both half-hours).

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," 2.3/6 with an encore; and ABC's "Jimmy Kimmel Live," 2.2/6.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show with Jay Leno," 0.8/4 with an encore; "Late Show," 0.5/3 with an encore; and "Jimmy Kimmel Live," 0.8/4.

· From 12:35-1:05 a.m. ET, ABC's "Nightline" averaged a 1.4/4 in metered-market households and a 0.5/3 in 18-49 in the Local People Meters.

· From 12:35-1:35 a.m. ET, "Late Night with Jimmy Fallon" (1.0/4 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" (0.4/3 in 18-49 with an encore) topped "Late Late Show" (0.2/2 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 0.2/2 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."