NOTE: Post-9 p.m. results are subject to revision in official nationals due to the 9-9:15 p.m. Presidential address.

NBC is #1 for each primetime half-hour Tuesday night in 18-49 among ABC, CBS, NBC and Fox, pending updates, with "America's Got Talent" (2.3/6 from 9:30-11 p.m., full duration is about 9:15-11:15 P.M.) clearly #1 for the night but subject to revision, and "The Million Second Quiz" (1.5 at 8 p.m.) the #2 show on those nets.

"Million Second Quiz" wins the 8 p.m. hour in adults 18-49 with NBC's best rating in the time period in 12 weeks, since "America's Got Talent" aired there on June 18.

"Million Second Quiz" grew from half-hour to half-hour in 18-49 by 7%.

"Million Second Quiz" finished within 0.2 of a point or 12% of its premiere rating of the prior night (1.5 vs. 1.7).

Tuesday Results:

NOTE: Post-9 p.m. results are subject to revision in official nationals due to the 9-9:15 p.m. Presidential address.

NBC is the #1 network among ABC, CBS, NBC and Fox Tuesday night for each primetime half-hour in adults 18-49, with "America's Got Talent" clearly #1 for the night on those networks but subject to revision, and "The Million Second Quiz" (1.5 at 8 p.m.) the #2 show on those nets.

· At 8 p.m. ET, night two of "The Million Second Quiz" (1.5 rating, 5 share in adults 18-49, 5.8 million viewers overall) won the 8-9 p.m. time period among ABC, CBS, NBC and Fox in adults 18-49, adults 25-54 and other key measures. "Million Second Quiz" grew from half-hour to half-hour in 18-49 by 7% (to a 1.5 from a 1.4), by 20% in men 18-49 (1.2 vs. 1.0) and by 50% among men 18-34 (0.9 vs. 0.6). "Million Second Quiz" finished within 0.2 of a point or 12% of its premiere rating of the prior night (1.5 vs. 1.7) and within 11% of the premiere result in total viewers (5.811 million vs. 6.516 million).

· "Million Second Quiz" scored NBC's best 18-49 and total-viewer results in the time period in 12 weeks, since "America's Got Talent" aired there on June 18.

· From 9 p.m. ET to approximately 9:15, NBC News coverage of President Obama's Address on Syria was sustaining and won't be included in nightlong or weekly ratings averages.

· From approximately 9:15-11:15 p.m. ET, "NBC aired "America's Got Talent." Currently available fast-affiliate ratings are not time zone-adjusted and are subject to significant revision, but currently "Talent" is averaging a 2.3/6 in 18-49 and 9.1 million viewers overall from 9:30-11 p.m., and "Talent" will clearly be the #1 telecast of the night on ABC, CBS, NBC and Fox in 18-49 and total viewers.

· In the 9:30-11 p.m. time period, "Talent" ranks #1 among ABC, CBS and NBC and Fox in every key ratings measure.

In Late-Night Metered Markets Tuesday night:

· In Nielsen's 56 metered markets, household results were: "The Tonight Show with Jay Leno," 2.5/7, delayed by Presidential address; CBS's "Late Show with David Letterman," 2.5/7; and ABC's "Jimmy Kimmel Live," 1.8/5, delayed by Presidential address.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show with Jay Leno," 0.8/4, delayed by Presidential address; "Late Show," 0.5/2; and "Jimmy Kimmel Live," 0.7/4, delayed by Presidential address.

· From 12:35-1:05 a.m. ET, ABC's "Nightline," delayed by the Presidential address, averaged a 1.0/4 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" (1.3/5 in metered-market households, delayed by Presidential address) tied CBS's "Late Late Show with Craig Ferguson" (1.3/5). In the 25 markets with Local People Meters, "Late Night" (0.5/4 in 18-49, delayed by Presidential address) topped "Late Late Show" (0.3/2).

· At 1:35 a.m., "Last Call with Carson Daly" averaged a 0.8/4 in metered-market households with an encore delayed by Presidential address and a 0.3/3 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."