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 (3/15/21):

ABC (5.593 million viewers, #2; adults 18-49: 1.4, #1) was the demo champ on Monday thanks to the season finale of "The Bachelor" (5.744 million viewers, #2; adults 18-49: 1.4, #1) and "The Bachelor: After the Final Rose" (5.292 million viewers, #3; adults 18-49: 1.3, #2).

NBC (6.231 million viewers, #1; adults 18-49: 0.8, #2) took home the silver with fresh installments of "The Voice" (7.666 million viewers, #1; adults 18-49: 1.1, #3) and "Debris" (3.362 million viewers, #8; adults 18-49: 0.4, #T6).

Next up was CBS (4.698 million viewers, #3; adults 18-49: 0.5, #3) and its original lineup of "The Neighborhood" (5.182 million viewers, #4; adults 18-49: 0.7, #4), "Bob (Hearts) Abishola" (4.889 million viewers, #6; adults 18-49: 0.6, #5), "All Rise" (4.050 million viewers, #7; adults 18-49: 0.4, #T6) and "Bull" (5.008 million viewers, #5; adults 18-49: 0.4, #T6).

Meanwhile, FOX (2.457 million viewers, #4; adults 18-49: 0.4, #4) served up a repeat "9-1-1" (2.714 million viewers, #9; adults 18-49: 0.4, #T6) and the return of "America's Most Wanted" (2.200 million viewers, #10; adults 18-49: 0.3, #10).

And finally, The CW (0.500 million viewers, #5; adults 18-49: 0.1, #5) closed out the night with season premiere of "Bulletproof" (0.529 million viewers, #11; adults 18-49: 0.1, #T11) and a new "Black Lightning" (0.471 million viewers, #12; adults 18-49: 0.1, #T11).

Week-to-week changes (adults 18-49):
+16.67% - The Bachelor
+10.00% - The Voice
0.00% - Bob (Hearts) Abishola
0.00% - Bull (vs. 2/22/21)
0.00% - All Rise (vs. 2/22/21)
0.00% - Debris
-12.50% - The Neighborhood
-50.00% - Black Lightning

Year-to-year changes (adults 18-49):
+18.18% - The Bachelor: After the Final Rose (vs. Pandemic: What You Need to Know - A Special Edition of 20/20)
+16.67% - The Bachelor (vs. American Idol)
-33.33% - Bob (Hearts) Abishola
-36.36% - The Neighborhood
-38.89% - The Voice
-42.86% - Bull
-42.86% - All Rise
-50.00% - Debris (vs. Manifest)
-50.00% - Black Lightning (vs. Roswell, New Mexico)
-50.00% - Bulletproof (vs. Supernatural)
-57.14% - America's Most Wanted (vs. Prodigal Son)

Here are the highlights of the 12 ad-sustained programs that aired in primetime on the broadcast networks one year ago (3/16/20):

NBC (8.086 million viewers, #1; adults 18-49: 1.4, #1) surged to the top spot on Monday thanks to new episodes of "The Voice" (9.874 million viewers, #1; adults 18-49: 1.8, #1) and "Manifest" (4.509 million viewers, #9; adults 18-49: 0.8, #7).

ABC (6.268 million viewers, #3; adults 18-49: 1.1, #2) was the silver draw with a new "American Idol" (6.292 million viewers, #6; adults 18-49: 1.2, #3) and "Pandemic: What You Need to Know - A Special Edition of 20/20" (6.221 million viewers, #7; adults 18-49: 1.1, #T4).

Next up was FOX (5.098 million viewers, #4; adults 18-49: 1.0, #3) with the return of "9-1-1" (6.793 million viewers, #5; adults 18-49: 1.4, #2) and "Prodigal Son" (3.404 million viewers, #10; adults 18-49: 0.7, #T8).

Meanwhile, CBS (6.687 million viewers, #2; adults 18-49: 0.8, #4) offered up new episodes of "The Neighborhood" (7.373 million viewers, #2; adults 18-49: 1.1, #T4), "Bob (Hearts) Abishola" (6.816 million viewers, #4; adults 18-49: 0.9, #6), "All Rise" (5.854 million viewers, #8; adults 18-49: 0.7, #T8) and "Bull" (7.112 million viewers, #3; adults 18-49: 0.7, #T8).

And finally, the relocated "Supernatural" (1.014 million viewers, #11; adults 18-49: 0.2, #T11) and the season premiere of "Roswell, New Mexico" (0.769 million viewers, #12; adults 18-49: 0.2, #T11) closed out the night on The CW (0.891 million viewers, #5; adults 18-49: 0.2, #5).

Week-to-week changes (adults 18-49):
+40.00% - All Rise
+38.46% - The Voice
+33.33% - Manifest
+28.57% - Bob (Hearts) Abishola
+22.22% - The Neighborhood
0.00% - 9-1-1 (vs. 12/2/19)
0.00% - Bull
0.00% - Prodigal Son (vs. 2/17/20)
-33.33% - Supernatural (vs. 1/30/20)

Year-to-year changes (adults 18-49):
+57.14% - Pandemic: What You Need to Know - A Special Edition of 20/20 (vs. The Fix)
+55.56% - 9-1-1 (vs. The Resident)
+22.22% - The Neighborhood (vs. The Big Bang Theory (Repeat))
+9.09% - American Idol
+5.88% - The Voice
0.00% - All Rise (vs. The Big Bang Theory/The Neighborhood (Repeat))
0.00% - Manifest (vs. The Enemy Within)
0.00% - Bob (Hearts) Abishola (vs. Man with a Plan)
0.00% - Bull
0.00% - Roswell, New Mexico (vs. Black Lightning)
-33.33% - Supernatural (vs. Arrow)
-41.67% - Prodigal Son (vs. 9-1-1)

Source: Nielsen Media Research, ShowBuzzDaily.com