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

Here are the highlights of the 15 ad-sustained programs that aired in primetime on the broadcast networks last night (2/17/21):

NBC (6.727 million viewers, #1; adults 18-49: 0.9, #1) was still the network to beat on Wednesday with its trio of "Chicago Med" (7.377 million viewers, #1; adults 18-49: 0.9, #T1), "Chicago Fire" (7.089 million viewers, #2; adults 18-49: 0.9, #T1) and "Chicago PD" (5.715 million viewers, #3; adults 18-49: 0.8, #3).

FOX (2.856 million viewers, #3; adults 18-49: 0.6, #2) claimed the silver with "The Masked Dancer: Road to the Finals" (2.637 million viewers, #9; adults 18-49: 0.5, #T5) and the season finale of "The Masked Dancer" (3.076 million viewers, #6; adults 18-49: 0.6, #4).

Next up was CBS (3.315 million viewers, #2; adults 18-49: 0.4, #T3) with originals from "Tough as Nails" (3.343 million viewers, #5; adults 18-49: 0.5, #T5), "SEAL Team" (3.671 million viewers, #4; adults 18-49: 0.5, #T5) and "S.W.A.T." (2.931 million viewers, #7; adults 18-49: 0.4, #T9).

Meanwhile, ABC (1.921 million viewers, #4; adults 18-49: 0.4, #T3) opted for repeats of "The Goldbergs" (2.876 million viewers, #8; adults 18-49: 0.5, #T5), "American Housewife" (1.997 million viewers, #11; adults 18-49: 0.4, #T9), "The Conners" (2.054 million viewers, #10; adults 18-49: 0.4, #T9) and "Call Your Mother" (1.706 million viewers, #12; adults 18-49: 0.3, #T12) plus a new "For Life" (1.447 million viewers, #13; adults 18-49: 0.3, #T12).

And finally, new episodes of "Riverdale" (0.617 million viewers, #14; adults 18-49: 0.2, #14) and "Nancy Drew" (0.418 million viewers, #15; adults 18-49: 0.1, #15) on The CW (0.517 million viewers, #5; adults 18-49: 0.1, #5) rounded out the night.

Week-to-week changes (adults 18-49):
+100.00% - Riverdale
+50.00% - For Life
0.00% - Chicago Med
0.00% - Chicago PD
0.00% - The Masked Dancer
0.00% - SEAL Team (vs. 1/27/21)
0.00% - Tough as Nails
0.00% - S.W.A.T. (vs. 1/27/21)
0.00% - Nancy Drew
-10.00% - Chicago Fire

Year-to-year changes (adults 18-49):
+12.50% - Chicago Med (vs. Chicago Med (Repeat))
0.00% - Riverdale (vs. Howie Mandel's 5th Annual All-Star Comedy Gala)
-25.00% - For Life (vs. Stumptown)
-33.33% - Nancy Drew (vs. Howie Mandel's 5th Annual All-Star Comedy Gala/Whose Line Is It Anyway? (Repeat))
-37.50% - SEAL Team (vs. Criminal Minds)
-40.00% - The Masked Dancer (vs. LEGO Masters)
-50.00% - S.W.A.T. (vs. Criminal Minds)
-50.00% - Chicago Fire (vs. Democratic Candidates Debate)
-55.56% - Chicago PD (vs. Democratic Candidates Debate)
-64.29% - Tough as Nails (vs. Survivor: Winners at War)
-73.68% - The Masked Dancer: Road to the Finals (vs. The Masked Singer)

Here are the highlights of the 14 ad-sustained programs that aired in primetime on the broadcast networks one year ago (2/19/20):

[Note: Fast affiliate ratings are inaccurate for live events.]

FOX (5.056 million viewers, #3; adults 18-49: 1.5, #1) was still the demo champ on Wednesday with fresh installments of "The Masked Singer" (7.017 million viewers, #3; adults 18-49: 1.9, #1) and "LEGO Masters" (3.096 million viewers, #9; adults 18-49: 1.0, #4).

A close second went to NBC (8.442 million viewers, #2; adults 18-49: 1.4, #2) with a repeat "Chicago Med" (5.311 million viewers, #6; adults 18-49: 0.8, #T5) followed by the "Democratic Candidates Debate" (10.007 million viewers, #1; adults 18-49: 1.8, #2).

Next up was CBS (5.985 million viewers, #1; adults 18-49: 1.0, #3) with a new "Survivor: Winners at War" (7.163 million viewers, #2; adults 18-49: 1.4, #3), the penultimate "Criminal Minds" (5.447 million viewers, #4; adults 18-49: 0.8, #T5) and the final "Criminal Minds" (5.346 million viewers, #5; adults 18-49: 0.8, #T5).

Meanwhile, ABC (2.807 million viewers, #4; adults 18-49: 0.6, #4) offered up originals from "The Goldbergs" (3.970 million viewers, #7; adults 18-49: 0.8, #T5), "Schooled" (2.927 million viewers, #10; adults 18-49: 0.6, #T10), "Modern Family" (3.260 million viewers, #8; adults 18-49: 0.7, #9), "Single Parents" (2.229 million viewers, #11; adults 18-49: 0.6, #T10) and "Stumptown" (2.228 million viewers, #12; adults 18-49: 0.4, #12).

And finally, The CW (0.760 million viewers, #5; adults 18-49: 0.1, #5) closed out the night with "Howie Mandel's 5th Annual All-Star Comedy Gala" (0.826 million viewers, #13; adults 18-49: 0.2, #13) and a repeat of "Whose Line Is It Anyway?" (0.563 million viewers, #14; adults 18-49: 0.1, #14).

Week-to-week changes (adults 18-49):
+33.33% - Criminal Minds - 9:00 (vs. 2/5/20)
+33.33% - Criminal Minds - 10:00
+7.69% - Survivor: Winners at War
+5.56% - The Masked Singer
0.00% - The Goldbergs
0.00% - Single Parents
0.00% - Stumptown
-14.29% - Schooled
-16.67% - LEGO Masters
-22.22% - Modern Family

Year-to-year changes (adults 18-49):
+72.73% - The Masked Singer (vs. Gordon Ramsay's 24 Hours to Hell and Back)
+33.33% - Criminal Minds - 10:00 (vs. The World's Best)
+17.65% - Howie Mandel's 5th Annual All-Star Comedy Gala (vs. Riverdale/All American (Repeats))
+14.29% - Criminal Minds - 9:00 (vs. The World's Best)
-12.50% - Survivor: Winners at War
-14.29% - Single Parents
-20.00% - Stumptown (vs. Match Game)
-27.27% - The Goldbergs
-33.33% - Schooled
-36.36% - Modern Family
-61.54% - LEGO Masters (vs. The Masked Singer)

Source: Nielsen Media Research