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 (4/9/21):

FOX (2.080 million viewers, #4; adults 18-49: 0.6, #1) was back on top in demos on Friday thanks to "WWE SmackDown" (2.080 million viewers, #7; adults 18-49: 0.6, #2).

CBS (5.337 million viewers, #1; adults 18-49: 0.5, #T2) claimed the most-watched network with its trio of "MacGyver" (4.522 million viewers, #3; adults 18-49: 0.4, #T6), "Magnum P.I." (5.328 million viewers, #2; adults 18-49: 0.5, #T3) and "Blue Bloods" (6.161 million viewers, #1; adults 18-49: 0.5, #T3).

Next up was ABC (3.112 million viewers, #2; adults 18-49: 0.5, #T2) with originals from "Shark Tank" (4.049 million viewers, #4; adults 18-49: 0.7, #1) and "20/20" (2.644 million viewers, #6; adults 18-49: 0.5, #T3).

Meanwhile, NBC (2.643 million viewers, #3; adults 18-49: 0.4, #4) opted for a repeat "The Blacklist" (2.022 million viewers, #8; adults 18-49: 0.3, #8) and a new "Dateline NBC" (2.954 million viewers, #5; adults 18-49: 0.4, #T6).

And finally, The CW (0.822 million viewers, #5; adults 18-49: 0.1, #5) rounded out the evening with "Whose Line Is It Anyway?" (0.914 million viewers, #9; adults 18-49: 0.2, #9), another "Whose Line Is It Anyway?" (0.870 million viewers, #10; adults 18-49: 0.1, #T10) and a new "Penn & Teller: Fool Us" (0.751 million viewers, #11; adults 18-49: 0.1, #T10).

Week-to-week changes (adults 18-49):
+33.33% - Dateline NBC
+25.00% - 20/20
+20.00% - WWE SmackDown
+16.67% - Shark Tank
0.00% - Magnum P.I.
0.00% - MacGyver
0.00% - Penn & Teller: Fool Us
-16.67% - Blue Bloods

Year-to-year changes (adults 18-49):
+25.00% - Blue Bloods (vs. Blue Bloods (Repeat))
0.00% - WWE SmackDown
0.00% - Penn & Teller: Fool Us (vs. Dynasty)
-12.50% - Shark Tank
-16.67% - 20/20 (vs. 20/20 (Repeat))
-20.00% - Dateline NBC
-28.57% - Magnum P.I.
-42.86% - MacGyver

Here are the highlights of the 10 ad-sustained programs that aired in primetime on the broadcast networks one year ago (4/10/20):

ABC (3.941 million viewers, #2; adults 18-49: 0.7, #1) pulled in front on Friday with a new "Shark Tank" (4.826 million viewers, #5; adults 18-49: 0.8, #1) and a repeat "20/20" (3.499 million viewers, #6; adults 18-49: 0.6, #T5).

CBS (6.379 million viewers, #1; adults 18-49: 0.6, #T2) was the most-watched broadcaster with a new "MacGyver" (6.374 million viewers, #2; adults 18-49: 0.7, #T2), the return of "Magnum P.I." (7.213 million viewers, #1; adults 18-49: 0.7, #T2) and a repeat "Blue Bloods" (5.551 million viewers, #3; adults 18-49: 0.4, #8).

Next up was NBC (3.852 million viewers, #3; adults 18-49: 0.6, #T2) with its duo of "The Blacklist" (4.834 million viewers, #4; adults 18-49: 0.7, #T2) and "Dateline NBC" (3.361 million viewers, #7; adults 18-49: 0.5, #7).

Meanwhile, FOX (2.304 million viewers, #4; adults 18-49: 0.6, #T2) offered up its weekly "WWE SmackDown" (2.304 million viewers, #8; adults 18-49: 0.6, #T5).

And finally, The CW (0.555 million viewers, #5; adults 18-49: 0.1, #5) closed out the night with originals from "Charmed" (0.727 million viewers, #9; adults 18-49: 0.2, #9) and "Dynasty" (0.384 million viewers, #10; adults 18-49: 0.1, #10).

Week-to-week changes (adults 18-49):
+100.00% - Charmed
+16.67% - The Blacklist
0.00% - MacGyver
0.00% - WWE SmackDown
0.00% - Dynasty
-11.11% - Shark Tank
-16.67% - Dateline NBC
-22.22% - Magnum P.I. (vs. 1/31/20)

Year-to-year changes (adults 18-49):
+45.45% - Shark Tank (vs. Fresh Off the Boat/Speechless)
+40.00% - The Blacklist (vs. Blindspot)
+20.00% - WWE SmackDown (vs. Various)
0.00% - MacGyver
0.00% - Magnum P.I. (vs. Hawaii Five-0)
-9.09% - Dateline NBC (vs. The Blacklist/Dateline NBC)
-33.33% - Charmed (vs. Whose Line Is It Anyway? (Repeats))
-66.67% - Dynasty (vs. Penn & Teller: Fool Us (Repeat))

Source: Nielsen Media Research, ShowBuzzDaily.com