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 (2/26/21):

ABC (4.022 million viewers, #1; adults 18-49: 0.6, #1) was the network to beat on Friday with originals from "Shark Tank" (4.453 million viewers, #1; adults 18-49: 0.7, #1) and "20/20" (3.807 million viewers, #3; adults 18-49: 0.6, #2).

FOX (2.051 million viewers, #4; adults 18-49: 0.5, #2) was a close second with its latest edition of "WWE SmackDown" (2.051 million viewers, #8; adults 18-49: 0.5, #3).

Next up was CBS (3.597 million viewers, #2; adults 18-49: 0.3, #T3) with its repeat lineup of "MacGyver" (3.244 million viewers, #6; adults 18-49: 0.3, #T5), "Magnum P.I." (3.690 million viewers, #4; adults 18-49: 0.4, #4) and "Blue Bloods" (3.858 million viewers, #2; adults 18-49: 0.3, #T5).

Meanwhile, NBC (2.796 million viewers, #3; adults 18-49: 0.3, #T3) offered up its mainstays "The Blacklist" (3.455 million viewers, #5; adults 18-49: 0.3, #T5) and "Dateline NBC" (2.467 million viewers, #7; adults 18-49: 0.3, #T5).

And finally, The CW (0.794 million viewers, #5; adults 18-49: 0.1, #5) closed out the night with "Whose Line Is It Anyway?" (0.891 million viewers, #9; adults 18-49: 0.1, #T9), a repeat "Whose Line Is It Anyway?" (0.708 million viewers, #11; adults 18-49: 0.1, #T9) and "Penn & Teller: Fool Us" (0.789 million viewers, #10; adults 18-49: 0.1, #T9).

Week-to-week changes (adults 18-49):
+50.00% - 20/20
+16.67% - Shark Tank
0.00% - WWE SmackDown
0.00% - The Blacklist
0.00% - Dateline NBC (vs. 2/12/21)
0.00% - Penn & Teller: Fool Us
-50.00% - Whose Line Is It Anyway?

Year-to-year changes (adults 18-49):
0.00% - 20/20
0.00% - Shark Tank
0.00% - Penn & Teller: Fool Us (vs. Dynasty)
-25.00% - The Blacklist (vs. Lincoln Rhyme: Hunt for the Bone Collector)
-37.50% - WWE SmackDown
-40.00% - Dateline NBC
-50.00% - Whose Line Is It Anyway? (vs. Charmed)

Here are the highlights of the 10 ad-sustained programs that aired in primetime on the broadcast networks one year ago (2/28/20):

FOX (2.716 million viewers, #4; adults 18-49: 0.8, #1) led the demo race with its weekly installments of "WWE SmackDown" (2.716 million viewers, #8; adults 18-49: 0.8, #1).

CBS (5.907 million viewers, #1; adults 18-49: 0.6, #T2) then was the most-watched network with originals from "MacGyver" (5.606 million viewers, #2; adults 18-49: 0.6, #T4) and "Hawaii Five-0" (6.800 million viewers, #1; adults 18-49: 0.7, #T2) plus a repeat "Blue Bloods" (5.315 million viewers, #3; adults 18-49: 0.5, #T6).

Next up was ABC (3.621 million viewers, #2; adults 18-49: 0.6, #T2) with the relocated "Shark Tank" (4.139 million viewers, #4; adults 18-49: 0.7, #T2) and a two-hour "20/20" (3.361 million viewers, #6; adults 18-49: 0.6, #T4).

Meanwhile, NBC (3.405 million viewers, #3; adults 18-49: 0.5, #4) offered up new episodes of "Lincoln Rhyme: Hunt for the Bone Collector" (3.509 million viewers, #5; adults 18-49: 0.4, #8) and "Dateline NBC" (3.353 million viewers, #7; adults 18-49: 0.5, #T6).

And finally, The CW (0.523 million viewers, #5; adults 18-49: 0.1, #5) closed out the night with originals from "Charmed" (0.665 million viewers, #9; adults 18-49: 0.2, #9) and "Dynasty" (0.382 million viewers, #10; adults 18-49: 0.1, #10).

Week-to-week changes (adults 18-49):
+50.00% - 20/20 (vs. 2/14/20)
+40.00% - Shark Tank (vs. 1/19/20)
+16.67% - Hawaii Five-0
+14.29% - WWE SmackDown
0.00% - MacGyver
0.00% - Lincoln Rhyme: Hunt for the Bone Collector
0.00% - Charmed
0.00% - Dynasty
-16.67% - Dateline NBC

Year-to-year changes (adults 18-49):
+75.00% - Hawaii Five-0 (vs. Hawaii Five-0 (Repeat))
+50.00% - MacGyver (vs. MacGyver (Repeat))
+40.00% - Shark Tank (vs. Fresh Off the Boat/Speechless)
+14.29% - WWE SmackDown (vs. Various)
0.00% - Charmed (vs. Whose Line Is It Anyway? (Repeats))
-16.67% - Dateline NBC (vs. The Voice (Repeat)/Dateline NBC)
-25.00% - 20/20
-33.33% - Lincoln Rhyme: Hunt for the Bone Collector (vs. The Voice (Repeat))
-50.00% - Dynasty (vs. Penn & Teller: Fool Us (Repeat))

Source: Nielsen Media Research, ShowBuzzDaily.com