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 (3/24/21):

FOX (3.897 million viewers, #1; adults 18-49: 0.9, #1) was back on top on Wednesday thanks to new episodes of "The Masked Singer" (4.871 million viewers, #1; adults 18-49: 1.1, #1) and "Game of Talents" (2.922 million viewers, #9; adults 18-49: 0.7, #2).

CBS (3.535 million viewers, #2; adults 18-49: 0.5, #2) took home the silver with its trio of "Tough as Nails" (3.106 million viewers, #7; adults 18-49: 0.4, #T8), "SEAL Team" (3.901 million viewers, #2; adults 18-49: 0.5, #T4) and "S.W.A.T." (3.599 million viewers, #3; adults 18-49: 0.5, #T4).

Next up was ABC (2.490 million viewers, #4; adults 18-49: 0.4, #3) with originals from "The Goldbergs" (3.366 million viewers, #5; adults 18-49: 0.6, #3), "American Housewife" (2.746 million viewers, #10; adults 18-49: 0.5, #T4), "The Conners" (3.288 million viewers, #6; adults 18-49: 0.5, #T4), "Call Your Mother" (2.130 million viewers, #12; adults 18-49: 0.3, #T10) and "The Con" (1.704 million viewers, #13; adults 18-49: 0.2, #T13).

Meanwhile, NBC (3.013 million viewers, #3; adults 18-49: 0.3, #4) opted for repeats of "Chicago Med" (3.398 million viewers, #4; adults 18-49: 0.4, #T8), "Chicago Fire" (2.948 million viewers, #8; adults 18-49: 0.3, #T10) and "Chicago PD" (2.692 million viewers, #11; adults 18-49: 0.3, #T10).

And finally, The CW (0.468 million viewers, #5; adults 18-49: 0.2, #5) closed out the night with fresh installments of "Riverdale" (0.509 million viewers, #14; adults 18-49: 0.2, #T13) and "Nancy Drew" (0.426 million viewers, #15; adults 18-49: 0.1, #15).

Week-to-week changes (adults 18-49):
+100.00% - Riverdale
+66.67% - S.W.A.T. (vs. 3/10/21)
+25.00% - SEAL Team (vs. 3/10/21)
0.00% - The Masked Singer
0.00% - Game of Talents
0.00% - The Goldbergs (vs. 3/3/21)
0.00% - The Conners (vs. 3/3/21)
0.00% - American Housewife (vs. 3/3/21)
0.00% - Tough as Nails
0.00% - The Con
0.00% - Nancy Drew
-25.00% - Call Your Mother (vs. 3/3/21)

Year-to-year changes (adults 18-49):
0.00% - Riverdale (vs. Penn & Teller: Fool Us (Repeat))
0.00% - S.W.A.T.
0.00% - The Conners (vs. Modern Family (Repeat))
-16.67% - American Housewife (vs. Schooled)
-28.57% - SEAL Team
-33.33% - The Goldbergs
-41.67% - Game of Talents (vs. LEGO Masters)
-47.62% - The Masked Singer
-50.00% - Nancy Drew (vs. Whose Line Is It Anyway? (Repeats))
-50.00% - Call Your Mother (vs. American Housewife)
-60.00% - The Con (vs. Stumptown)
-75.00% - Tough as Nails (vs. Survivor: Winners at War)

Here are the highlights of the 16 ad-sustained programs that aired in primetime on the broadcast networks one year ago (3/25/20):

FOX (5.784 million viewers, #2; adults 18-49: 1.6, #1) once again scored the demo crown with fresh installments from "The Masked Singer" (7.821 million viewers, #5; adults 18-49: 2.1, #1) and "LEGO Masters" (3.748 million viewers, #9; adults 18-49: 1.2, #T5).

NBC (8.813 million viewers, #1; adults 18-49: 1.3, #2) remained the silver draw with its trio of "Chicago Med" (9.512 million viewers, #1; adults 18-49: 1.4, #3), "Chicago Fire" (9.104 million viewers, #2; adults 18-49: 1.3, #4) and "Chicago PD" (7.822 million viewers, #4; adults 18-49: 1.2, #T5).

Next up was CBS (5.723 million viewers, #3; adults 18-49: 1.0, #3) and its lineup of "Survivor: Winners at War" (8.134 million viewers, #3; adults 18-49: 1.6, #2), "SEAL Team" (5.233 million viewers, #6; adults 18-49: 0.7, #8) and "SWAT" (3.804 million viewers, #8; adults 18-49: 0.5, #T11).

Meanwhile, ABC (3.157 million viewers, #4; adults 18-49: 0.6, #4) offered up its mix of "The Goldbergs" (4.724 million viewers, #7; adults 18-49: 0.9, #7), "Schooled" (3.263 million viewers, #10; adults 18-49: 0.6, #T9), a repeat "Modern Family" (2.701 million viewers, #13; adults 18-49: 0.5, #T11), "American Housewife" (2.820 million viewers, #11; adults 18-49: 0.6, #T9) and the season finale of "Stumptown" (2.715 million viewers, #12; adults 18-49: 0.5, #T11).

And finally, The CW (0.828 million viewers, #5; adults 18-49: 0.2, #5) again opted for repeats of "Penn & Teller: Fool Us" (0.903 million viewers, #14; adults 18-49: 0.2, #T14), "Whose Line Is It Anyway?" (0.741 million viewers, #16; adults 18-49: 0.2, #T14) and another "Whose Line Is It Anyway?" (0.764 million viewers, #15; adults 18-49: 0.2, #T14) to close out the night.

Week-to-week changes (adults 18-49):
+7.69% - Chicago Med
+6.67% - Survivor: Winners at War
0.00% - Chicago Fire
0.00% - Chicago PD
0.00% - LEGO Masters
0.00% - American Housewife
0.00% - Stumptown
-4.55% - The Masked Singer
-12.50% - SEAL Team
-16.67% - SWAT
-18.18% - The Goldbergs
-25.00% - Schooled

Year-to-year changes (adults 18-49):
+90.91% - The Masked Singer (vs. Empire)
+50.00% - American Housewife (vs. Single Parents (Repeat))
+33.33% - LEGO Masters (vs. Star)
+28.57% - The Goldbergs (vs. The Goldbergs (Repeat))
+16.67% - Chicago Med
+9.09% - Chicago PD
+8.33% - Chicago Fire
+6.67% - Survivor: Winners at War
0.00% - Stumptown (vs. Whiskey Cavalier)
0.00% - Schooled (vs. Schooled (Repeat))
-16.67% - SWAT (vs. SEAL Team)
-30.00% - SEAL Team (vs. Million Dollar Mile)

Source: Nielsen Media Research, ShowBuzzDaily.com