Monday Results:

· From 10-11 p.m. ET, "Grimm" (1.6/4 in adults 18-49, 4.7 million viewers overall) led the hour among ABC, CBS and NBC in every key demo, capturing a 45 percent margin of victory over CBS's encore "Hawaii Five-0" (with a 1.6 rating vs. a 1.1) and a 129 percent advantage over ABC's "Castle" rebroadcast (1.6 vs. 0.7). "Grimm's" 1.6 matches the show's best 18-49 rating last season after January 20.

· Versus "Grimm's average in last May's sweep, last night's telecast is up 14 percent in 18-49 rating (1.6 vs. 1.4).

· "Grimm" is currently matching last week's fast-affiliate 1.6 and is within a tenth of a point of the official-national 1.7 from last week.

· Keep in mind that last season, "Grimm" originals added an average 69 percent to these next-day "live plus same day" 18-49 ratings when Nielsen issued "live plus seven day" results.

· In the 10:30 lead-in to local news, "Grimm" delivered a 33 percent margin of victory among ABC, CBS and NBC in the key news demo of adults 25-54 (with a 2.0 rating vs. a 1.5 for CBS's second-place "Hawaii Five-0" encore). "Grimm" also led those networks at 10:30 in every other key demos.

· At 9 p.m. ET, "Stars Earn Stripes" averaged a 0.9/2 in 18-49 and 3.0 million viewers overall. "Stars Earn Stripes" retained its full 18-49 lead-in from the 8 p.m. encore of "America's Got Talent."

· From its first half-hour to its second, "Stars Earn Stripes" grew by 11 percent in adults 18-49 (to a 1.0 rating from a 0.9), 22 percent in women 18-49 (1.1 vs. 0.9) and 25 percent in men 18-49 (1.0 vs. 0.8).

· At 8 p.m. ET, an encore telecast of "America's Got Talent" averaged a 0.9 rating, 3 share in adults 18-49 and 4.2 million viewers overall.

In Late-Night Metered Markets Monday night:

· In Nielsen's 56 metered markets, household results were: "The Tonight Show with Jay Leno," 2.5/6; CBS's "Late Show with David Letterman," 2.1/5; and ABC's combo of "Nightline," 2.6/6; and "Jimmy Kimmel Live," 1.2/4 with an encore.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show with Jay Leno," 0.7/3; "Late Show," 0.6/3; "Nightline," 0.8/4; and "Jimmy Kimmel Live," 0.4/3 with an encore.

· At 12:35 a.m., "Late Night with Jimmy Fallon" (1.1/4 in metered-market households with an encore) beat CBS's first-run "Late Late Show with Craig Ferguson" (1.0/4). 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).

· At 1:35 a.m., "Last Call with Carson Daly" averaged a 0.7/3 in metered-market households with an encore and a 0.2/2 in adults 18-49 in the 25 markets with local people meters.

For the Week:

· Led by the week's #1 telecast in adults 18-49, the Panthers-Jets "Sunday Night Football" NFL preseason game, and the #1 show in total viewers, Tuesday's "America's Got Talent," NBC has tied for #1 for the week of August 20-26 in adults 18-49, marking the fourth time in five weeks NBC has ranked #1 or tied for #1 in primetime's key demo. According to "live plus same day" viewing figures from Nielsen Media Research, NBC averaged a 1.5 rating, 5 share in adults 18-49 and 5.1 million viewers overall for the week.

· The Panthers-Jets "Sunday Night Football" preseason game ranked #1 for the week on ABC, CBS, NBC and Fox in adults 18-49, adults 18-34, adults 25-54 and all key adult-male demos. Also ranking among the top programs for the week in adults 18-49 were the Tuesday and Wednesday editions of "America's Got Talent (#4 and tied for #6 respectively), Monday's "Grimm" (tied for #14), Wednesday's "Go On" encore (tied for #25) and Wednesday's "Talent" rebroadcast (tied for #25). Rankings exclude sports pre- and post-game shows.

· In total viewers, Tuesday's "America's Got Talent," "Sunday Night Football" and Wednesday's "America's Got Talent" Results Show ranked #1, #2 and #3 respectively among all primetime telecasts on those networks.

· "America's Got Talent" has been the #1 non-sports program on ABC, CBS, NBC and Fox in total viewers for each of its last 11 weeks on the air ("Talent" was preempted during the two full weeks of the London Olympics).

· Primetime averages for the week of August 20-26 in adults 18-49 were: CBS (1.5/5), NBC (1.5/5), Fox (1.4/4), ABC (1.1/3) and CW (0.3/1). In overall total viewers, the weekly averages were: CBS (5.8 million), NBC (5.1 million), ABC (4.1 million), Fox (3.8 million) and CW (0.7 million).

· For the 2011-12 broadcast year to date, NBC is #2 among ABC, CBS, NBC and Fox in adult 18-49 rating and total viewers, running within 0.2 of a rating point of first-place Fox in 18-49. NBC is the only network among ABC, CBS, NBC and Fox that's up versus one year ago in viewers 18-49, viewers 18-34 and viewers 25-54. Averages for the broadcast year through 48 weeks are: Fox (2.8/8), NBC (2.6/8), CBS (2.5/7), ABC (2.2/6) and CW (0.6/2). In overall total viewers, the broadcast-year averages are: CBS (10.0 million), NBC (8.1 million), Fox (7.7 million), ABC (7.5 million) and CW (1.4 million).

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."