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

Here are the highlights of the 10 ad-sustained programs that aired in primetime on the broadcast networks last night (3/29/21):

CBS (5.953 million viewers, #1; adults 18-49: 1.5, #1) was once again on top thanks to its primetime coverage of the "NCAA Men's Basketball Tournament: (2) Houston vs. (12) Oregon State" (5.977 million viewers, #2; adults 18-49: 1.5, #T1) and "NCAA Men's Basketball Tournament: (1) Baylor vs. (3) Arkansas" (5.906 million viewers, #3; adults 18-49: 1.5, #T1).

NBC (4.874 million viewers, #2; adults 18-49: 0.6, #T2) took home the silver with its duo of "The Voice" (5.979 million viewers, #1; adults 18-49: 0.7, #T3) and "Debris" (2.665 million viewers, #6; adults 18-49: 0.3, #T7).

Next up was ABC (4.618 million viewers, #3; adults 18-49: 0.6, #T2) with fresh installments of "American Idol" (4.833 million viewers, #4; adults 18-49: 0.7, #T3) and "The Good Doctor" (4.189 million viewers, #5; adults 18-49: 0.5, #5).

Meanwhile, FOX (2.130 million viewers, #4; adults 18-49: 0.4, #4) offered up a repeat "9-1-1" (2.347 million viewers, #7; adults 18-49: 0.4, #6) and a new "America's Most Wanted" (1.912 million viewers, #8; adults 18-49: 0.3, #T7).

And finally, the conclusions of "Bulletproof" (0.532 million viewers, #9; adults 18-49: 0.1, #9) and "All American Stories" (0.201 million viewers, #10; adults 18-49: 0.0, #10) rounded out the night on The CW (0.367 million viewers, #5; adults 18-49: 0.1, #5).

Week-to-week changes (adults 18-49):
0.00% - American Idol
0.00% - The Good Doctor
0.00% - Bulletproof
-12.50% - The Voice
-25.00% - Debris
-25.00% - America's Most Wanted
-100.00% - All American Stories (vs. 1/11/21)

Year-to-year changes (adults 18-49):
-17.65% - American Idol (vs. Celebrity Family Feud (Repeat)/America Rising: Fighting the Pandemic - A Special Edition of "20/20")
-50.00% - Bulletproof (vs. Whose Line Is It Anyway?/Whose Line Is It Anyway? (Repeat))
-54.55% - The Good Doctor
-57.14% - Debris (vs. Manifest)
-57.14% - America's Most Wanted (vs. Prodigal Son)
-58.82% - The Voice
-100.00% - All American Stories (vs. Roswell, New Mexico)

Here are the highlights of the 15 ad-sustained programs that aired in primetime on the broadcast networks one year ago (3/30/20):

NBC (7.877 million viewers, #1; adults 18-49: 1.3, #1) was the network to beat on Monday thanks to a new episodes of "The Voice" (9.682 million viewers, #1; adults 18-49: 1.7, #1) and "Manifest" (4.266 million viewers, #8; adults 18-49: 0.7, #T6).

FOX (5.301 million viewers, #3; adults 18-49: 1.0, #2) took home the silver with its duo of "9-1-1" (6.994 million viewers, #3; adults 18-49: 1.3, #2) and "Prodigal Son" (3.608 million viewers, #11; adults 18-49: 0.7, #T6).

Next up was ABC (5.948 million viewers, #2; adults 18-49: 0.9, #3) with a repeat "Celebrity Family Feud" (5.363 million viewers, #4; adults 18-49: 0.9, #4) followed by "America Rising: Fighting the Pandemic - A Special Edition of '20/20'" (4.901 million viewers, #6; adults 18-49: 0.8, #5) and the season finale of "The Good Doctor" (7.579 million viewers, #2; adults 18-49: 1.1, #3).

Meanwhile, CBS (3.948 million viewers, #4; adults 18-49: 0.6, #4) offered up its repeat mix of "The Neighborhood" (5.083 million viewers, #5; adults 18-49: 0.7, #T6), "Bob (Hearts) Abishola" (4.278 million viewers, #7; adults 18-49: 0.6, #T9), another "The Neighborhood" (3.929 million viewers, #9; adults 18-49: 0.5, #T11) and yet another "The Neighborhood" (3.771 million viewers, #10; adults 18-49: 0.6, #T9) plus "HomeFest: James Corden's Late Late Show Special" (3.312 million viewers, #12; adults 18-49: 0.5, #T11).

And finally, The CW (0.744 million viewers, #5; adults 18-49: 0.1, #5) closed out the night with the return of "Whose Line Is It Anyway?" (0.944 million viewers, #13; adults 18-49: 0.2, #T13), a repeat "Whose Line Is It Anyway?" (0.805 million viewers, #14; adults 18-49: 0.2, #T13) and a new "Roswell, New Mexico" (0.614 million viewers, #15; adults 18-49: 0.1, #15).

Week-to-week changes (adults 18-49):
0.00% - The Voice
0.00% - 9-1-1
0.00% - The Good Doctor
-12.50% - Manifest
-12.50% - Prodigal Son
-50.00% - Roswell, New Mexico

Year-to-year changes (adults 18-49):
+120.00% - The Good Doctor (vs. The Fix)
+44.44% - 9-1-1 (vs. The Resident)
+13.33% - The Voice
-12.50% - Manifest (vs. The Enemy Within)
-16.67% - HomeFest: James Corden's Late Late Show Special (vs. Bull)
-27.27% - America Rising: Fighting the Pandemic - A Special Edition of '20/20' (vs. American Idol)
-33.33% - Whose Line Is It Anyway? (vs. DC's Legends of Tomorrow)
-46.15% - Prodigal Son (vs. 9-1-1)
-50.00% - Roswell, New Mexico (vs. Penn & Teller: Fool Us - April Fool Us Day 2019)

Source: Nielsen Media Research, ShowBuzzDaily.com