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 (3/26/21):

ABC (3.199 million viewers, #2; adults 18-49: 0.5, #T1) and FOX (2.031 million viewers, #4; adults 18-49: 0.5, #T1) share the demo honors on Friday as the latter offered up a new "WWE SmackDown" (2.031 million viewers, #8; adults 18-49: 0.5, #T2) while the former served up fresh installments of "Shark Tank" (3.836 million viewers, #4; adults 18-49: 0.6, #1) and "20/20" (2.881 million viewers, #6; adults 18-49: 0.5, #T2).

Next up was CBS (5.236 million viewers, #1; adults 18-49: 0.4, #3) with originals from "MacGyver" (4.179 million viewers, #3; adults 18-49: 0.4, #T5), "Magnum P.I." (5.357 million viewers, #2; adults 18-49: 0.4, #T5) and "Blue Bloods" (6.173 million viewers, #1; adults 18-49: 0.5, #T2).

Meanwhile, NBC (2.941 million viewers, #3; adults 18-49: 0.3, #4) offered up new episodes of "The Blacklist" (3.157 million viewers, #5; adults 18-49: 0.3, #T7) and "Dateline NBC" (2.834 million viewers, #7; adults 18-49: 0.3, #T7).

And finally, repeats of "Whose Line Is It Anyway?" (0.710 million viewers, #10; adults 18-49: 0.1, #T9) and another "Whose Line Is It Anyway?" (0.679 million viewers, #11; adults 18-49: 0.1, #T9) led into a new "Penn & Teller: Fool Us" (0.749 million viewers, #9; adults 18-49: 0.1, #T9) to round out the night on The CW (0.722 million viewers, #5; adults 18-49: 0.1, #5).

Week-to-week changes (adults 18-49):
+25.00% - Blue Bloods (vs. 3/5/21)
+25.00% - 20/20
0.00% - Shark Tank (vs. 3/12/21)
0.00% - WWE SmackDown
0.00% - MacGyver (vs. 3/5/21)
0.00% - The Blacklist (vs. 3/12/21)
0.00% - Penn & Teller: Fool Us
-20.00% - Magnum P.I. (vs. 3/5/21)
-25.00% - Dateline NBC

Year-to-year changes (adults 18-49):
0.00% - Blue Bloods (vs. Blue Bloods (Repeat))
0.00% - Penn & Teller: Fool Us (vs. Dynasty)
-28.57% - 20/20
-28.57% - WWE SmackDown
-33.33% - Shark Tank
-50.00% - MacGyver
-50.00% - The Blacklist
-50.00% - Dateline NBC
-55.56% - Magnum P.I. (vs. Hawaii Five-0)

Here are the highlights of the 10 ad-sustained programs that aired in primetime on the broadcast networks one year ago (3/27/20):

ABC (4.299 million viewers, #2; adults 18-49: 0.8, #1) held onto the demo crown on Friday with its duo of "Shark Tank" (5.279 million viewers, #4; adults 18-49: 0.9, #T1) and "20/20" (3.809 million viewers, #7; adults 18-49: 0.7, #T4).

Second place was shared by CBS (7.041 million viewers, #1; adults 18-49: 0.7, #T2) and FOX (2.374 million viewers, #4; adults 18-49: 0.7, #T2) as the latter served up "WWE SmackDown" (2.374 million viewers, #8; adults 18-49: 0.7, #T4).

The Eye then aired new episodes of "MacGyver" (6.784 million viewers, #2; adults 18-49: 0.8, #3) and "Hawaii Five-0" (8.219 million viewers, #1; adults 18-49: 0.9, #T1) plus a repeat "Blue Bloods" (6.120 million viewers, #3; adults 18-49: 0.5, #8).

Meanwhile, NBC (4.151 million viewers, #3; adults 18-49: 0.6, #4) offered up fresh installments of "The Blacklist" (4.766 million viewers, #5; adults 18-49: 0.6, #T6) and "Dateline NBC" (3.844 million viewers, #6; adults 18-49: 0.6, #T6).

And finally, The CW (0.475 million viewers, #5; adults 18-49: 0.1, #5) closed out the night with the return of "Charmed" (0.632 million viewers, #9; adults 18-49: 0.2, #9) and "Dynasty" (0.318 million viewers, #10; adults 18-49: 0.1, #10).

Week-to-week changes (adults 18-49):
+33.33% - MacGyver (vs. 3/13/20)
+28.57% - Hawaii Five-0 (vs. 3/13/20)
0.00% - Charmed (vs. 2/28/20)
0.00% - Dynasty (vs. 2/28/20)
-12.50% - 20/20
-12.50% - WWE SmackDown
-14.29% - Dateline NBC
-18.18% - Shark Tank
-25.00% - The Blacklist

Year-to-year changes (adults 18-49):
+100.00% - Shark Tank (vs. Fresh Off the Boat/Speechless)
+40.00% - WWE SmackDown (vs. Various)
+33.33% - Dateline NBC (vs. The Blacklist/Dateline NBC)
0.00% - Charmed (vs. Dynasty)
0.00% - Dynasty (vs. Crazy Ex-Girlfriend)
0.00% - 20/20
0.00% - The Blacklist
-46.67% - MacGyver (vs. NCAA Men's Basketball Tournament)
-55.00% - Hawaii Five-0 (vs. NCAA Men's Basketball Tournament)

Source: Nielsen Media Research, ShowBuzzDaily.com