Primetime Preliminary Fast National Nielsen Data
(includes all DVR playback through 3:00 am)

Here are the highlights of the 12 ad-sustained programs that aired in primetime on the broadcast networks last night (5/10/21):

FOX (5.083 million viewers, #1; adults 18-49: 0.8, #1) stayed on top on Monday with originals from "9-1-1" (5.480 million viewers, #2; adults 18-49: 0.8, #1) and "9-1-1: Lone Star" (4.686 million viewers, #6; adults 18-49: 0.7, #2).

The silver went to NBC (4.699 million viewers, #2; adults 18-49: 0.5, #T2) with fresh installments of "The Voice" (5.800 million viewers, #1; adults 18-49: 0.6, #T3) and "Debris" (2.498 million viewers, #9; adults 18-49: 0.4, #T8).

Next up was CBS (4.410 million viewers, #3; adults 18-49: 0.5, #T2) and its mix of "The Neighborhood" (4.973 million viewers, #3; adults 18-49: 0.6, #T3), "Bob (Hearts) Abishola" (4.761 million viewers, #5; adults 18-49: 0.5, #T5), "All Rise" (3.599 million viewers, #8; adults 18-49: 0.4, #T8) and "Bull" (4.765 million viewers, #4; adults 18-49: 0.5, #T5).

Meanwhile, ABC (2.535 million viewers, #4; adults 18-49: 0.4, #4) offered up "The Wonderful World of Disney: Finding Dory" (1.928 million viewers, #10; adults 18-49: 0.4, #T8) alongside a new "The Good Doctor" (3.748 million viewers, #7; adults 18-49: 0.5, #T5).

And finally, The CW (0.318 million viewers, #5; adults 18-49: 0.1, #5) opted for a repeat "All American" (0.324 million viewers, #11; adults 18-49: 0.1, #T11) and a new "Black Lightning" (0.312 million viewers, #12; adults 18-49: 0.1, #T11) to round out the evening.

Week-to-week changes (adults 18-49):
0.00% - Bull
0.00% - The Good Doctor (vs. 4/26/21)
0.00% - All Rise
0.00% - Debris
0.00% - Black Lightning
-11.11% - 9-1-1
-12.50% - 9-1-1: Lone Star
-14.29% - The Neighborhood
-16.67% - Bob (Hearts) Abishola
-25.00% - The Voice

Year-to-year changes (adults 18-49):
+40.00% - 9-1-1: Lone Star (vs. 9-1-1: Lone Star (Repeat))
+25.00% - Bull (vs. Bull (Repeat))
0.00% - The Good Doctor (vs. The Baker and the Beauty)
0.00% - Black Lightning (vs. Roswell, New Mexico)
-20.00% - All Rise (vs. The Neighborhood/Bob (Hearts) Abishola (Repeats))
-33.33% - The Neighborhood (vs. The Price Is Right at Night with RuPaul)
-33.33% - The Voice
-38.46% - 9-1-1
-42.86% - Debris (vs. Songland)
-44.44% - Bob (Hearts) Abishola (vs. The Price Is Right at Night with RuPaul)

Here are the highlights of the 13 ad-sustained programs that aired in primetime on the broadcast networks one year ago (5/11/20):

FOX (5.237 million viewers, #2; adults 18-49: 0.9, #1) was the network to beat among adults 18-49 on Monday thanks to the season finale of "9-1-1" (7.084 million viewers, #2; adults 18-49: 1.3, #1) and a repeat "9-1-1: Lone Star" (3.390 million viewers, #8; adults 18-49: 0.5, #T7).

NBC (6.045 million viewers, #1; adults 18-49: 0.8, #2) was a close second with its duo of "The Voice" (7.228 million viewers, #1; adults 18-49: 0.9, #T2) and "Songland" (3.679 million viewers, #6; adults 18-49: 0.7, #4).

Next up was CBS (4.611 million viewers, #3; adults 18-49: 0.6, #T3) with "The Price Is Right at Night with RuPaul" (6.008 million viewers, #3; adults 18-49: 0.9, #T2) followed by repeats of "The Neighborhood" (4.178 million viewers, #4; adults 18-49: 0.6, #T5), "Bob (Hearts) Abishola" (3.535 million viewers, #7; adults 18-49: 0.4, #T9) and "Bull" (3.970 million viewers, #5; adults 18-49: 0.4, #T9).

Meanwhile, ABC (2.711 million viewers, #4; adults 18-49: 0.6, #T3) offered up fresh installments of "The Bachelor Presents: Listen to Your Heart" (2.885 million viewers, #9; adults 18-49: 0.6, #T5) and "The Baker and the Beauty" (2.363 million viewers, #10; adults 18-49: 0.5, #T7).

And finally, The CW (0.867 million viewers, #5; adults 18-49: 0.2, #5) closed out the night with "Whose Line Is It Anyway?" (1.073 million viewers, #11; adults 18-49: 0.2, #T11), a repeat "Whose Line Is It Anyway?" (0.996 million viewers, #12; adults 18-49: 0.2, #T11) and "Roswell, New Mexico" (0.700 million viewers, #13; adults 18-49: 0.1, #13).

Week-to-week changes (adults 18-49):
+16.67% - Songland
+8.33% - 9-1-1
0.00% - The Bachelor Presents: Listen to Your Heart
0.00% - The Baker and the Beauty
0.00% - Whose Line Is It Anyway?
0.00% - Roswell, New Mexico
-10.00% - The Voice

Year-to-year changes (adults 18-49):
+25.00% - The Baker and the Beauty (vs. The Fix)
+16.67% - Songland (vs. The Enemy Within)
+5.88% - The Price Is Right at Night with RuPaul (vs. The Big Bang Theory (Repeats))
0.00% - 9-1-1
-18.18% - The Voice
-33.33% - Whose Line Is It Anyway? (vs. DC's Legends of Tomorrow)
-50.00% - Roswell, New Mexico (vs. Arrow)
-53.85% - The Bachelor Presents: Listen to Your Heart (vs. The Bachelorette)

Source: Nielsen Media Research, ShowBuzzDaily.com