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

Here are the highlights of the 11 ad-sustained programs that aired in primetime on the broadcast networks last night (12/9/20):

FOX (4.035 million viewers, #2; adults 18-49: 0.9, #1) remain on top in demos on Wednesday thanks to a new "The Masked Singer" (4.711 million viewers, #1; adults 18-49: 1.0, #1) and the season finale of "I Can See Your Voice" (3.359 million viewers, #6; adults 18-49: 0.8, #2).

CBS (4.060 million viewers, #1; adults 18-49: 0.6, #T2) was the most-watched network with its trio of "The Amazing Race 32" (4.027 million viewers, #3; adults 18-49: 0.7, #T3), "SEAL Team" (4.342 million viewers, #2; adults 18-49: 0.6, #T5) and "S.W.A.T." (3.809 million viewers, #5; adults 18-49: 0.5, #7).

Next up was ABC (3.297 million viewers, #3; adults 18-49: 0.6, #T2) with the return of "The Great Christmas Light Fight" (3.904 million viewers, #4; adults 18-49: 0.7, #T3) plus a new "For Life" (2.085 million viewers, #8; adults 18-49: 0.4, #8).

Meanwhile, NBC (2.186 million viewers, #4; adults 18-49: 0.5, #4) offered up its "Dr. Seuss' The Grinch Musical!" (2.496 million viewers, #7; adults 18-49: 0.6, #T5) and a rebroadcast of "Nurses" (1.568 million viewers, #9; adults 18-49: 0.3, #9).

And finally, a new "Devils" (0.434 million viewers, #11; adults 18-49: 0.1, #T10) and the special "Greatest Holiday Commercials Countdown" (0.518 million viewers, #10; adults 18-49: 0.1, #T10) rounded out the night on The CW (0.476 million viewers, #5; adults 18-49: 0.1, #5).

Week-to-week changes (adults 18-49):
+33.33% - For Life
+20.00% - SEAL Team
0.00% - The Amazing Race 32
0.00% - S.W.A.T.
0.00% - Devils
-33.33% - The Masked Singer
-50.00% - I Can See Your Voice (vs. 11/26/20)

Year-to-year changes (adults 18-49):
+33.33% - I Can See Your Voice (vs. Almost Family)
-4.11% - The Great Christmas Light Fight (vs. Various)
-14.29% - SEAL Team
-16.67% - S.W.A.T.
-20.00% - For Life (vs. Stumptown)
-25.00% - Dr. Seuss' The Grinch Musical! (vs. Ellen's Greatest Night of Giveaways/Making It)
-41.67% - The Amazing Race 32 (vs. Survivor: Island of the Idols)
-47.37% - The Masked Singer
-50.00% - Devils (vs. Riverdale)
-50.00% - Greatest Holiday Commercials Countdown (vs. Nancy Drew)

Here are the highlights of the 15 ad-sustained programs that aired in primetime on the broadcast networks one year ago (12/11/19):

FOX (4.530 million viewers, #2; adults 18-49: 1.3, #1) was back in front among adults 18-49 on Wednesday with new episodes of "The Masked Singer" (6.854 million viewers, #1; adults 18-49: 1.9, #1) and "Almost Family" (2.205 million viewers, #12; adults 18-49: 0.6, #T7).

CBS (5.808 million viewers, #1; adults 18-49: 0.8, #2) took home the silver then with its trio of "Survivor: Island of the Idols" (6.808 million viewers, #2; adults 18-49: 1.2, #2), "SEAL Team" (5.815 million viewers, #4; adults 18-49: 0.7, #6) and "SWAT" (4.800 million viewers, #5; adults 18-49: 0.6, #T7).

Next up was NBC (3.663 million viewers, #3; adults 18-49: 0.7, #T3) with night two of "Ellen's Greatest Night of Giveaways" (5.995 million viewers, #3; adults 18-49: 1.0, #3), the penultimate "Making It" (2.848 million viewers, #11; adults 18-49: 0.6, #T7) and the season finale of "Making It" (2.144 million viewers, #13; adults 18-49: 0.5, #T12).

Meanwhile, ABC (3.421 million viewers, #4; adults 18-49: 0.7, #T3) served up the fall finales of "The Goldbergs" (3.965 million viewers, #7; adults 18-49: 0.8, #5), "Schooled" (3.017 million viewers, #10; adults 18-49: 0.6, #T7), "Modern Family" (4.249 million viewers, #6; adults 18-49: 0.9, #4), "Single Parents" (3.058 million viewers, #9; adults 18-49: 0.6, #T7) and "Stumptown" (3.118 million viewers, #8; adults 18-49: 0.5, #T12).

And finally, The CW (0.746 million viewers, #5; adults 18-49: 0.2, #5) likewise closed out the night with its fall finales to "Riverdale" (0.746 million viewers, #14; adults 18-49: 0.2, #T14) and "Nancy Drew" (0.745 million viewers, #15; adults 18-49: 0.2, #T14).

Week-to-week changes (adults 18-49):
+50.00% - Almost Family (vs. 11/27/19)
+5.56% - The Masked Singer
0.00% - Survivor: Island of the Idols
0.00% - Modern Family
0.00% - The Goldbergs
0.00% - SEAL Team
0.00% - Single Parents
0.00% - Schooled
0.00% - Stumptown
0.00% - Making It
0.00% - Riverdale
0.00% - Nancy Drew
-14.29% - SWAT (vs. 11/27/19)

Year-to-year changes (adults 18-49):
+216.67% - The Masked Singer (vs. Empire (Repeat))
+25.00% - Making It - 10:00 (vs. A Legendary Christmas)
+20.00% Almost Family (vs. Star (Repeat))
0.00% - Nancy Drew (vs. All American)
-16.67% - Ellen's Greatest Night of Giveaways (vs. Ellen's Game of Games: Game of Games Holiday Spectacular)
-20.00% - Survivor: Island of the Idols
-25.00% - SWAT (vs. Criminal Minds)
-25.00% - Making It - 9:00 (vs. Little Big Shots: Little Big Holiday Special)
-27.27% - The Goldbergs
-28.57% - Stumptown (vs. A Million Little Things)
-30.00% - SEAL Team
-33.33% - Single Parents
-35.71% - Modern Family
-40.00% - Schooled (vs. American Housewife)
-50.00% - Riverdale

Source: Nielsen Media Research