Primetime Preliminary Fast National Nielsen Data
(includes all DVR playback through 3:00 am)

Here are the highlights of the 13 ad-sustained programs that aired in primetime on the broadcast networks last night (8/18/17):

[EDITOR'S NOTE: Some high rated local pre-season NFL games (across all networks) are included here but will be excluded from Officials.]

CBS (4.485 million viewers, #1; adults 18-49: 0.8, #1) was the top draw on a tight Friday with its mix of "Big Brother 19" (5.083 million viewers, #1; adults 18-49: 1.4, #1), "Hawaii Five-0" (3.772 million viewers, #5; adults 18-49: 0.5, #T9) and "Blue Bloods" (4.599 million viewers, #2; adults 18-49: 0.5, #T9).

NBC (3.810 million viewers, #2; adults 18-49: 0.7, #T2) then was a close second despite repeats of "America's Got Talent" (3.800 million viewers, #4; adults 18-49: 0.7, #T3) and "Dateline NBC" (3.832 million viewers, #3; adults 18-49: 0.8, #2).

Next up was ABC (3.381 million viewers, #3; adults 18-49: 0.7, #T2) and its trio of "Shark Tank" (3.548 million viewers, #6; adults 18-49: 0.7, #T3), "Primetime: What Would You Do?" (3.194 million viewers, #8; adults 18-49: 0.7, #T3) and "20/20" (3.403 million viewers, #7; adults 18-49: 0.7, #T3).

Meanwhile, FOX (2.492 million viewers, #4; adults 18-49: 0.7, #T2) served up encores of "MasterChef" (2.608 million viewers, #9; adults 18-49: 0.7, #T3) and "Beat Shazam" (2.375 million viewers, #10; adults 18-49: 0.7, #T3).

And finally, a new "Masters of Illusion" (1.063 million viewers, #11; adults 18-49: 0.2, #T11) and repeats of "Masters of Illusion" (0.967 million viewers, #12; adults 18-49: 0.2, #T11) and "Penn & Teller: Fool Us" (0.918 million viewers, #13; adults 18-49: 0.2, #T11) rounded out the evening on The CW (0.966 million viewers, #5; adults 18-49: 0.2, #5).

Week-to-week changes (adults 18-49):
+16.67% - Primetime: What Would You Do?
0.00% - Big Brother 19 (vs. 7/21/17)
0.00% - 20/20
0.00% - Masters of Illusion

Year-to-year changes (adults 18-49):
0.00% - Primetime: What Would You Do?
0.00% - 20/20
0.00% - Masters of Illusion (vs. Masters of Illusion (Repeat))
-6.67% - Big Brother 19

In late-night metered market ratings (via NBC's press release):

· In Nielsen's 56 metered markets, household results were: "The Tonight Show Starring Jimmy Fallon," 2.0/5; "Late Show with Stephen Colbert," 2.4/6; and ABC's "Jimmy Kimmel Live," 1.4/4 with an encore.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show Starring Jimmy Fallon," 0.6/3; "Late Show," 0.4/2; and "Jimmy Kimmel Live," 0.5/3 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, ratings were: "Late Night with Seth Meyers," 1.2/4 in metered-market households with an encore; CBS's "Late Late Show," 1.0/3 with an encore. In the 25 markets with Local People Meters, averages were: "Late Night," 0.4/3 in 18-49 with an encore; "Late Late Show," 0.2/2 with an encore.

· 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.

Here are the highlights of the 12 ad-sustained programs that aired in primetime on the broadcast networks one year ago (8/19/16):

NBC (16.935 million viewers, #1; adults 18-49: 4.5, #1) was the network to beat on Friday with its coverage of the "Olympic Games Rio 2016" (18.141 million viewers, #1; adults 18-49: 4.8, #1) followed by a special "Superstore" (10.903 million viewers, #2; adults 18-49: 3.3, #2).

CBS (4.810 million viewers, #2; adults 18-49: 1.0, #2) then was the number two draw with a special "Big Brother 18" (5.365 million viewers, #3; adults 18-49: 1.5, #3) and repeats of "Hawaii Five-0" (4.132 million viewers, #5; adults 18-49: 0.8, #T4) and "Blue Bloods" (4.934 million viewers, #4; adults 18-49: 0.8, #T4).

Next up was ABC (3.224 million viewers, #3; adults 18-49: 0.7, #3) and its trio of "Shark Tank" (3.066 million viewers, #7; adults 18-49: 0.6, #8), "Primetime: What Would You Do?" (2.989 million viewers, #8; adults 18-49: 0.7, #T6) and "20/20" (3.619 million viewers, #6; adults 18-49: 0.7, #T6).

Meanwhile, FOX (1.559 million viewers, #4; adults 18-49: 0.4, #4) offered up a repeat "MasterChef" (1.559 million viewers, #9; adults 18-49: 0.4, #9).

And finally, The CW (0.770 million viewers, #5; adults 18-49: 0.2, #5) closed out the evening with repeats of "Masters of Illusion" (0.979 million viewers, #10; adults 18-49: 0.2, #T10), another "Masters of Illusion" (0.880 million viewers, #11; adults 18-49: 0.2, #T10) and the conclusion to "My Last Days" (0.611 million viewers, #12; adults 18-49: 0.2, #T10).

Week-to-week changes (adults 18-49):
0.00% - Big Brother 18 (vs. 7/22/16)
-22.22% - 20/20

Year-to-year changes (adults 18-49):
+150.00% - Big Brother 18 (vs. Elementary (Repeat))
0.00% - 20/20
-50.00% - My Last Days (vs. Penn & Teller: Fool Us (Repeat))

In late-night metered market ratings (via NBC's press release):

Late-night metered market ratings will return following the Olympics.

Source: Nielsen Media Research