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 (7/17/19):

FOX (2.672 million viewers, #3; adults 18-49: 0.7, #1) was the demo champ on Wednesday for the first time this summer with fresh installments of "MasterChef" (3.041 million viewers, #6; adults 18-49: 0.8, #2) and "First Responders Live" (2.304 million viewers, #9; adults 18-49: 0.6, #T4).

ABC (3.409 million viewers, #1; adults 18-49: 0.6, #T2) then had to settle for second with its trio of "Press Your Luck" (3.929 million viewers, #2; adults 18-49: 0.7, #3), "Card Sharks" (3.171 million viewers, #4; adults 18-49: 0.5, #8) and "Match Game" (3.129 million viewers, #5; adults 18-49: 0.6, #T4).

Next up was CBS (2.996 million viewers, #2; adults 18-49: 0.6, #T2) with new episodes of "Love Island" (2.510 million viewers, #8; adults 18-49: 0.6, #T4) and "Big Brother 21" (3.963 million viewers, #1; adults 18-49: 1.0, #1) plus a repeat "SWAT" (2.516 million viewers, #7; adults 18-49: 0.4, #T9).

Meanwhile, NBC (2.579 million viewers, #4; adults 18-49: 0.5, #4) offered up repeats of "Ellen's Game of Games" (3.386 million viewers, #3; adults 18-49: 0.6, #T4) and "Songland" (2.068 million viewers, #11; adults 18-49: 0.4, #T9) alongside a new "The InBetween" (2.283 million viewers, #10; adults 18-49: 0.4, #T9).

And finally, a repeat "Penn & Teller: Fool Us" (0.858 million viewers, #12; adults 18-49: 0.2, #T12) and a new "Jane the Virgin" (0.624 million viewers, #13; adults 18-49: 0.2, #T12) on The CW (0.741 million viewers, #5; adults 18-49: 0.2, #5) rounded out the night.

Week-to-week changes (adults 18-49):
+20.00% - First Responders Live
+14.29% - MasterChef
0.00% - Big Brother 21
0.00% - Match Game (vs. 6/26/19)
0.00% - Love Island
0.00% - The InBetween
0.00% - Jane the Virgin
-12.50% - Press Your Luck (vs. 6/26/19)
-16.67% - Card Sharks (vs. 6/26/19)

Year-to-year changes (adults 18-49):
+25.00% - Big Brother 21 (vs. TKO: Total Knock Out)
0.00% - The InBetween (vs. Reverie)
0.00% - Jane the Virgin (vs. The Originals)
-20.00% - MasterChef
-22.22% - Press Your Luck (vs. The 2018 ESPY Awards)
-33.33% - Match Game (vs. The 2018 ESPY Awards)
-40.00% - First Responders Live (vs. Gordon Ramsay's 24 Hours to Hell & Back)
-44.44% - Card Sharks (vs. The 2018 ESPY Awards)
-57.14% - Love Island (vs. Big Brother 20)

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

TBA

Here are the highlights of the 11 ad-sustained programs that aired in primetime on the broadcast networks one year ago (7/18/18):

CBS (4.654 million viewers, #1; adults 18-49: 1.0, #T1) was the top overall draw on Wednesday thanks to a new "Big Brother 20" (5.205 million viewers, #2; adults 18-49: 1.4, #1), week two of "TKO: Total Knock Out" (3.429 million viewers, #6; adults 18-49: 0.8, #5) and the series finale of "Code Black" (5.328 million viewers, #1; adults 18-49: 0.7, #T6).

Sharing the demo crown was FOX (3.394 million viewers, #3; adults 18-49: 1.0, #T1) with originals from "MasterChef" (3.537 million viewers, #5; adults 18-49: 1.0, #T2) and "Gordon Ramsay's 24 Hours to Hell & Back" (3.250 million viewers, #7; adults 18-49: 1.0, #T2).

Next up was ABC (3.939 million viewers, #2; adults 18-49: 0.9, #3) and its telecast of "The 2018 ESPY Awards" (3.939 million viewers, #4; adults 18-49: 0.9, #4).

Meanwhile, NBC (2.701 million viewers, #4; adults 18-49: 0.5, #4) opted for repeats of "Ellen's Game of Games" (4.029 million viewers, #3; adults 18-49: 0.7, #T6) and "World of Dance" (2.398 million viewers, #8; adults 18-49: 0.5, #8) plus a new "Reverie" (1.678 million viewers, #9; adults 18-49: 0.4, #9).

And finally, the special "Girl Got Game" (0.474 million viewers, #11; adults 18-49: 0.1, #11) and a new "The Originals" (0.677 million viewers, #10; adults 18-49: 0.2, #10) rounded out the evening on The CW (0.575 million viewers, #5; adults 18-49: 0.2, #5).

Week-to-week changes (adults 18-49):
+11.11% - MasterChef
+11.11% - Gordon Ramsay's 24 Hours to Hell & Back
0.00% - Reverie
0.00% - The Originals
-6.67% - Big Brother 20
-11.11% - TKO: Total Knock Out
-12.50% - Code Black

Year-to-year changes (adults 18-49):
+42.86% - Gordon Ramsay's 24 Hours to Hell & Back (vs. The F Word with Gordon Ramsay)
+16.67% - Code Black (vs. Criminal Minds (Repeat))
+14.29% - TKO: Total Knock Out (vs. Salvation)
0.00% - Reverie (vs. This Is Us (Repeat))
0.00% - The Originals (vs. DC's Legends of Tomorrow (Repeat))
-9.09% - MasterChef
-22.22% - Big Brother 20
-35.71% - The 2018 ESPY Awards (vs. on 7/12/17)
-50.00% - Girl Got Game (vs. Arrow (Repeat))

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

TBA

Source: Nielsen Media Research