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 (12/18/19):

FOX (7.377 million viewers, #1; adults 18-49: 2.0, #1) was the top draw on Wednesday thanks to the penultimate "The Masked Singer" (6.426 million viewers, #2; adults 18-49: 1.7, #2) and the season finale of "The Masked Singer" (8.327 million viewers, #1; adults 18-49: 2.2, #1).

CBS (6.102 million viewers, #2; adults 18-49: 1.1, #2) then claimed the silver with the finale to "Survivor: Island of the Idols" (6.425 million viewers, #3; adults 18-49: 1.2, #3) followed by its "Survivor: Island of the Idols Reunion" (4.488 million viewers, #5; adults 18-49: 0.8, #T5).

Next up was ABC (4.069 million viewers, #3; adults 18-49: 0.8, #3) and its special "Live in Front of a Studio Audience: 'All in the Family' and 'Good Times'" (5.786 million viewers, #4; adults 18-49: 1.1, #4) alongside repeats of "Black-ish" (3.272 million viewers, #7; adults 18-49: 0.7, #7), "Mixed-ish" (2.018 million viewers, #10; adults 18-49: 0.4, #T10) and another "Mixed-ish" (1.765 million viewers, #11; adults 18-49: 0.4, #T10).

Meanwhile, NBC (3.330 million viewers, #4; adults 18-49: 0.7, #4) opted for encores of "Ellen's Greatest Night of Giveaways" (4.442 million viewers, #6; adults 18-49: 0.8, #T5), another "Ellen's Greatest Night of Giveaways" (2.737 million viewers, #9; adults 18-49: 0.6, #T8) and the concluding "Ellen's Greatest Night of Giveaways" (2.810 million viewers, #8; adults 18-49: 0.6, #T8).

And finally, The CW (0.700 million viewers, #5; adults 18-49: 0.2, #5) closed out the evening with a rebroadcast of "Grandma Got Run Over by a Reindeer" (0.781 million viewers, #12; adults 18-49: 0.2, #12) and the special "Masters of Illusion: Christmas Magic 2019" (0.618 million viewers, #13; adults 18-49: 0.1, #13).

Week-to-week changes (adults 18-49):
+10.00% - The Masked Singer - 9:00 (vs. 11/6/19)
0.00% - Survivor: Island of the Idols
-10.53% - The Masked Singer - 8:00

Year-to-year changes (adults 18-49):
+450.00% - The Masked Singer - 9:00 (vs. Star (Repeat))
+240.00% - The Masked Singer - 8:00 (vs. Empire (Repeat))
+64.18% - Live in Front of a Studio Audience: 'All in the Family' and 'Good Times' (vs. Various (Repeats))
-20.00% - Survivor: Island of the Idols Reunion
-20.00% - Survivor: Island of the Idols
-50.00% - Masters of Illusion: Christmas Magic 2019 (vs. Penn & Teller: Fool Us (Repeat))

Here are the highlights of the 15 ad-sustained programs that aired in primetime on the broadcast networks one year ago (12/19/18):

CBS (7.196 million viewers, #1; adults 18-49: 1.4, #1) was the network to beat on Wednesday thanks to the finale to "Survivor: David vs. Goliath" (7.616 million viewers, #1; adults 18-49: 1.5, #1) and the "Survivor: David vs. Goliath Reunion" (5.095 million viewers, #2; adults 18-49: 1.0, #2).

ABC (2.563 million viewers, #3; adults 18-49: 0.6, #2) then was a distant second with its mix of "Olaf's Frozen Adventure" (3.700 million viewers, #3; adults 18-49: 0.7, #T3), "Shrek the Halls" (3.188 million viewers, #4; adults 18-49: 0.7, #T3), "Modern Family" (2.756 million viewers, #6; adults 18-49: 0.6, #T5), "Single Parents" (2.089 million viewers, #9; adults 18-49: 0.5, #T7), "The Goldbergs" (1.905 million viewers, #10; adults 18-49: 0.5, #T7) and "American Housewife" (1.738 million viewers, #12; adults 18-49: 0.4, #T11).

NBC (2.758 million viewers, #2; adults 18-49: 0.5, #3) likewise opted for second runs of "Pentatonix: A Not So Silent Night" (3.172 million viewers, #5; adults 18-49: 0.5, #T7), "Darci Lynne: My Hometown Christmas" (2.695 million viewers, #7; adults 18-49: 0.4, #T11) and "Ellen's Game of Games: Game of Games Holiday Spectacular" (2.406 million viewers, #8; adults 18-49: 0.6, #T5).

Meanwhile, FOX (1.630 million viewers, #4; adults 18-49: 0.4, #4) offered up repeats of "Empire" (1.832 million viewers, #11; adults 18-49: 0.5, #T7) and "Star" (1.427 million viewers, #13; adults 18-49: 0.4, #T11).

And finally, The CW (1.000 million viewers, #5; adults 18-49: 0.2, #5) rounded out the night with encores of "Grandma Got Run Over By A Reindeer" (1.080 million viewers, #14; adults 18-49: 0.3, #14) and "Penn & Teller: Fool Us" (0.919 million viewers, #15; adults 18-49: 0.2, #15).

Week-to-week changes (adults 18-49):
0.00% - Survivor: David vs. Goliath

Year-to-year changes (adults 18-49):
-21.05% - Survivor: David vs. Goliath -37.50% - Survivor: David vs. Goliath Reunion

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," 1.6/4; "Late Show with Stephen Colbert," 2.4/7; and ABC's "Jimmy Kimmel Live," 1.6/4.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show Starring Jimmy Fallon," 0.4/3; "Late Show," 0.4/3; and "Jimmy Kimmel Live," 0.4/3.

· From 12:35-1:05 a.m. ET, ABC's "Nightline" averaged a 1.0/4 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," 1.0/4 in metered-market households; CBS's "Late Late Show," 1.2/4. In the 25 markets with Local People Meters, averages were: "Late Night," 0.3/3 in 18-49; "Late Late Show," 0.2/2.

· 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.

Source: Nielsen Media Research