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 (4/20/21):

CBS (4.734 million viewers, #1; adults 18-49: 0.4, #T2) remained the top draw on Tuesday despite repeats of "NCIS" (6.200 million viewers, #1; adults 18-49: 0.5, #T1) and "FBI" (5.544 million viewers, #2; adults 18-49: 0.5, #T1) plus its "CBS News Special: The Chauvin Verdict" (2.458 million viewers, #7; adults 18-49: 0.3, #T10).

FOX (2.684 million viewers, #2; adults 18-49: 0.5, #1) claimed the demo honors with its duo of "The Resident" (3.340 million viewers, #4; adults 18-49: 0.5, #T1) and "Prodigal Son" (2.028 million viewers, #9; adults 18-49: 0.4, #T5).

Next up was NBC (2.600 million viewers, #3; adults 18-49: 0.4, #T2) and its mix of "Young Rock" (2.621 million viewers, #6; adults 18-49: 0.5, #T1), "Kenan" (1.903 million viewers, #11; adults 18-49: 0.3, #T10), a repeat "This Is Us" (2.012 million viewers, #10; adults 18-49: 0.3, #T10) and "New Amsterdam" (3.527 million viewers, #3; adults 18-49: 0.4, #T5).

Meanwhile, ABC (2.314 million viewers, #4; adults 18-49: 0.4, #T2) offered up originals from "Pooch Perfect" (2.274 million viewers, #8; adults 18-49: 0.4, #T5), "Black-ish" (1.872 million viewers, #12; adults 18-49: 0.4, #T5), "Mixed-ish" (1.605 million viewers, #13; adults 18-49: 0.3, #T10) and "Big Sky" (2.929 million viewers, #5; adults 18-49: 0.4, #T5).

And finally, a repeat "The Flash" (0.416 million viewers, #15; adults 18-49: 0.1, #T14) alongside a new "Supergirl" (0.535 million viewers, #14; adults 18-49: 0.1, #T14) on The CW (0.476 million viewers, #5; adults 18-49: 0.1, #5) closed out the night.

Week-to-week changes (adults 18-49):
+33.33% - Black-ish (vs. 4/6/21)
0.00% - The Resident
0.00% - New Amsterdam
0.00% - Big Sky
0.00% - Pooch Perfect
0.00% - Prodigal Son
0.00% - Mixed-ish (vs. 4/6/21)
0.00% - Supergirl
-16.67% - Young Rock
-25.00% - Kenan

Year-to-year changes (adults 18-49):
0.00% - Black-ish (vs. Mixed-ish (Repeat))
0.00% - The Resident (vs. The Masked Singer (Repeat))
0.00% - New Amsterdam (vs. New Amsterdam (Repeat))
0.00% - Big Sky (vs. For Life)
0.00% - Mixed-ish (vs. Black-ish (Repeat))
-20.00% - Pooch Perfect (vs. The Conners/Bless This Mess (Repeats))
-37.50% - Young Rock (vs. Ellen's Game of Games (Repeat))
-50.00% - Prodigal Son (vs. Empire)
-50.00% - Supergirl (vs. DC's Legends of Tomorrow)
-62.50% - Kenan (vs. Ellen's Game of Games (Repeat))
-70.00% - CBS News Special: The Chauvin Verdict (vs. Let's Go Crazy: The Grammy Salute to Prince)

Here are the highlights of the 15 ad-sustained programs that aired in primetime on the broadcast networks one year ago (4/21/20):

CBS (6.883 million viewers, #1; adults 18-49: 0.9, #1) still on top on Tuesday with a repeat "NCIS" (7.663 million viewers, #1; adults 18-49: 0.7, #T4) and the special "Let's Go Crazy: The Grammy Salute to Prince" (6.494 million viewers, #2; adults 18-49: 1.0, #1).

NBC (3.403 million viewers, #2; adults 18-49: 0.6, #T2) was the number two draw with repeats of "Ellen's Game of Games" (4.254 million viewers, #3; adults 18-49: 0.8, #T2), "Ellen's Game of Games" (3.689 million viewers, #5; adults 18-49: 0.7, #T4) and "New Amsterdam" (2.267 million viewers, #9; adults 18-49: 0.4, #T8).

Sharing the silver was FOX (2.804 million viewers, #3; adults 18-49: 0.6, #T2) with a repeat of "The Masked Singer" (2.665 million viewers, #7; adults 18-49: 0.5, #7) plus the series finale of "Empire" (2.943 million viewers, #6; adults 18-49: 0.8, #T2).

Next up was ABC (2.381 million viewers, #4; adults 18-49: 0.4, #4) with second runs of "The Conners" (3.805 million viewers, #4; adults 18-49: 0.6, #6), "Bless This Mess" (2.478 million viewers, #8; adults 18-49: 0.4, #T8), "Mixed-ish" (1.935 million viewers, #11; adults 18-49: 0.4, #T8) and "Black-ish" (1.731 million viewers, #12; adults 18-49: 0.3, #13) alongside a new "For Life" (2.170 million viewers, #10; adults 18-49: 0.4, #T8).

And finally, the return of "The Flash" (1.119 million viewers, #13; adults 18-49: 0.4, #T8) and "DC's Legends of Tomorrow" (0.665 million viewers, #14; adults 18-49: 0.2, #14) closed out the night on The CW (0.892 million viewers, #5; adults 18-49: 0.3, #5).

Week-to-week changes (adults 18-49):
+14.29% - Empire
0.00% - The Flash (vs. 3/17/20)
0.00% - DC's Legends of Tomorrow (vs. 3/17/20)
-20.00% - For Life

Year-to-year changes (adults 18-49):
+66.67% - Let's Go Crazy: The Grammy Salute to Prince (vs. NCIS (Repeat)/NCIS: New Orleans)
+60.00% - Empire (vs. Mental Samurai)
0.00% - For Life (vs. 1969)
-20.00% - The Flash
-33.33% - DC's Legends of Tomorrow (vs. Roswell, New Mexico)

Source: Nielsen Media Research, ShowBuzzDaily.com