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

Here are the highlights of the 17 ad-sustained programs that aired in primetime on the broadcast networks last night (12/30/20):

NBC (3.196 million viewers, #1; adults 18-49: 0.4, #1) was the king of the repeats with its encores of "Chicago Med" (3.231 million viewers, #2; adults 18-49: 0.4, #T2), "Chicago Fire" (3.165 million viewers, #5; adults 18-49: 0.4, #T2) and "Chicago PD" (3.192 million viewers, #4; adults 18-49: 0.4, #T2).

CBS (2.636 million viewers, #2; adults 18-49: 0.3, #T2) was the silver draw with its mix of "Young Sheldon" (4.065 million viewers, #1; adults 18-49: 0.5, #1), "Mom" (3.222 million viewers, #3; adults 18-49: 0.4, #T2), "SEAL Team" (2.140 million viewers, #7; adults 18-49: 0.3, #T8) and "S.W.A.T." (2.125 million viewers, #8; adults 18-49: 0.3, #T8).

Next up was FOX (1.827 million viewers, #3; adults 18-49: 0.3, #T2) with rebroadcasts of "The Masked Dancer" (2.121 million viewers, #9; adults 18-49: 0.4, #T2) and "9-1-1" (1.533 million viewers, #15; adults 18-49: 0.3, #T8).

Meanwhile, ABC (1.777 million viewers, #4; adults 18-49: 0.3, #T2) offered up its lineup of "The Goldbergs" (2.310 million viewers, #6; adults 18-49: 0.4, #T2), "American Housewife" (1.739 million viewers, #11; adults 18-49: 0.3, #T8), "The Conners" (1.780 million viewers, #10; adults 18-49: 0.3, #T8), another "The Conners" (1.662 million viewers, #12; adults 18-49: 0.2, #T13), yet another "The Conners" (1.550 million viewers, #14; adults 18-49: 0.2, #T13) and even more "The Conners" (1.620 million viewers, #13; adults 18-49: 0.2, #T13).

And finally, The CW (0.438 million viewers, #5; adults 18-49: 0.1, #5) closed out the night with its special "Heroes on the Front Line" (0.395 million viewers, #17; adults 18-49: 0.1, #16) plus a repeat of "Dogs of the Year" (0.481 million viewers, #16; adults 18-49: 0.0, #17).

Year-to-year changes (adults 18-49):
0.00% - Heroes on the Front Line (vs. Riverdale (Repeat))

Here are the highlights of the 15 ad-sustained programs that aired in primetime on the broadcast networks one year ago (1/1/20):

NBC (4.083 million viewers, #1; adults 18-49: 0.4, #T1) opened 2020 on top with its crossover encores of "Chicago Fire" (3.702 million viewers, #3; adults 18-49: 0.4, #T5), "Chicago Med" (4.120 million viewers, #2; adults 18-49: 0.5, #T2) and "Chicago PD" (4.429 million viewers, #1; adults 18-49: 0.5, #T2).

ABC (1.885 million viewers, #3; adults 18-49: 0.4, #T1) shared in the demo honors with its repeat lineup of "The Goldbergs" (2.966 million viewers, #4; adults 18-49: 0.6, #1), "Schooled" (2.158 million viewers, #6; adults 18-49: 0.5, #T2), "Modern Family" (1.991 million viewers, #7; adults 18-49: 0.4, #T5), "Single Parents" (1.578 million viewers, #11; adults 18-49: 0.4, #T5) and "Stumptown" (1.308 million viewers, #12; adults 18-49: 0.3, #T9).

Next up was CBS (1.953 million viewers, #2; adults 18-49: 0.3, #T3) and its marathon of "Evil" (2.180 million viewers, #5; adults 18-49: 0.3, #T9), another "Evil" (1.937 million viewers, #8; adults 18-49: 0.3, #T9) and yet another "Evil" (1.741 million viewers, #10; adults 18-49: 0.2, #13).

Meanwhile, FOX (1.436 million viewers, #4; adults 18-49: 0.3, #T3) offered up originals from "Flirty Dancing" (1.805 million viewers, #9; adults 18-49: 0.4, #T5) and "Almost Family" (1.067 million viewers, #13; adults 18-49: 0.3, #T9).

And finally, second runs of "Riverdale" (0.495 million viewers, #14; adults 18-49: 0.1, #T14) and "Nancy Drew" (0.495 million viewers, #15; adults 18-49: 0.1, #T14) closed out the night on The CW (0.495 million viewers, #5; adults 18-49: 0.1, #5).

Week-to-week changes (adults 18-49):
-50.00% - Almost Family (vs. 12/11/19)
-55.56% - Flirty Dancing (vs. 12/29/19)

Year-to-year changes (adults 18-49):
-66.67% - Flirty Dancing (vs. Gordon Ramsay's 24 Hours to Hell and Back)
-89.66% - Almost Family (vs. The Masked Singer)

Source: Nielsen Media Research