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

Here are the highlights of the 17 ad-sustained programs that aired in primetime on the broadcast networks last night (2/18/21):

CBS (4.918 million viewers, #1; adults 18-49: 0.6, #T1) was the top draw on a competitive Thursday with its mix of "Young Sheldon" (7.484 million viewers, #1; adults 18-49: 0.8, #T1), "B Positive" (5.036 million viewers, #4; adults 18-49: 0.6, #T5), "Mom" (5.241 million viewers, #3; adults 18-49: 0.6, #T5), "The Unicorn" (3.725 million viewers, #8; adults 18-49: 0.4, #T11) and "Clarice" (4.011 million viewers, #6; adults 18-49: 0.4, #T11).

Sharing the demo crown was FOX (2.434 million viewers, #4; adults 18-49: 0.6, #T1) with "Hell's Kitchen" (2.643 million viewers, #10; adults 18-49: 0.7, #T3), "Call Me Kat" (2.158 million viewers, #14; adults 18-49: 0.5, #T8) and "Last Man Standing" (2.290 million viewers, #13; adults 18-49: 0.4, #T11) as well as ABC (4.192 million viewers, #2; adults 18-49: 0.6, #T1) and its lineup of "Celebrity Wheel of Fortune" (5.845 million viewers, #2; adults 18-49: 0.8, #T1), "The Chase" (4.150 million viewers, #5; adults 18-49: 0.6, #T5) and "The Hustler" (2.581 million viewers, #12; adults 18-49: 0.4, #T11).

Meanwhile, NBC (3.139 million viewers, #3; adults 18-49: 0.5, #4) offered up a new "Mr. Mayor" (2.635 million viewers, #11; adults 18-49: 0.5, #T8), an encore of "Young Rock" (1.803 million viewers, #15; adults 18-49: 0.3, #15), a new "Law & Order: Special Victims Unit" (3.995 million viewers, #7; adults 18-49: 0.7, #T3) and part one of "The Widower" (3.204 million viewers, #9; adults 18-49: 0.5, #T8).

And finally, fresh installments from "Walker" (1.667 million viewers, #16; adults 18-49: 0.2, #16) and "Legacies" (0.531 million viewers, #17; adults 18-49: 0.1, #17) rounded out the evening on The CW (1.099 million viewers, #5; adults 18-49: 0.2, #5).

Week-to-week changes (adults 18-49):
+25.00% - Mr. Mayor
+16.67% - Law & Order: Special Victims Unit (vs. 1/21/21)
+14.29% - Celebrity Wheel of Fortune
0.00% - Young Sheldon
0.00% - Hell's Kitchen
0.00% - B Positive
0.00% - The Chase
0.00% - Call Me Kat
0.00% - The Hustler
0.00% - Last Man Standing
0.00% - Walker
0.00% - Legacies
-14.29% - Mom
-20.00% - Clarice
-20.00% - The Unicorn

Year-to-year changes (adults 18-49):
+100.00% - Walker (vs. Katy Keene)
+75.00% - Law & Order: Special Victims Unit (vs. Will & Grace/Indebted)
+16.67% - Hell's Kitchen (vs. Last Man Standing/Outmatched)
0.00% - Call Me Kat (vs. Deputy)
0.00% - Legacies (vs. Dogs of the Year (Repeat))
0.00% - Clarice (vs. Tommy)
-14.29% - B Positive (vs. The Unicorn)
-14.29% - Mom
-20.00% - Celebrity Wheel of Fortune (vs. Station 19)
-20.00% - Young Sheldon
-20.00% - Last Man Standing (vs. Deputy)
-28.57% - Mr. Mayor (vs. Superstore)
-28.57% - The Widower (vs. Law & Order: Special Victims Unit)
-33.33% - The Hustler (vs. A Million Little Things)
-33.33% - The Unicorn (vs. Carol's Second Act)
-45.45% - The Chase (vs. Grey's Anatomy)

Here are the highlights of the 18 ad-sustained programs that aired in primetime on the broadcast networks one year ago (2/20/20):

ABC (5.306 million viewers, #2; adults 18-49: 0.9, #1) led the demo pack thanks to its trio of "Station 19" (6.265 million viewers, #3; adults 18-49: 1.0, #T2), "Grey's Anatomy" (5.994 million viewers, #5; adults 18-49: 1.1, #1) and "A Million Little Things" (3.660 million viewers, #8; adults 18-49: 0.6, #T9).

CBS (5.908 million viewers, #1; adults 18-49: 0.6, #T2) was the most-watched broadcaster with its mix of "Young Sheldon" (9.029 million viewers, #1; adults 18-49: 1.0, #T2), "The Unicorn" (6.003 million viewers, #4; adults 18-49: 0.7, #T4), "Mom" (6.292 million viewers, #2; adults 18-49: 0.7, #T4), "Carol's Second Act" (4.744 million viewers, #6; adults 18-49: 0.6, #T9) and "Tommy" (4.689 million viewers, #7; adults 18-49: 0.4, #T14).

Next up was FOX (3.070 million viewers, #3; adults 18-49: 0.6, #T2) and its lineup of "Last Man Standing" (3.616 million viewers, #9; adults 18-49: 0.7, #T4), "Outmatched" (2.062 million viewers, #13; adults 18-49: 0.5, #T12) and "Deputy" (3.301 million viewers, #11; adults 18-49: 0.5, #T12).

Meanwhile, NBC (2.505 million viewers, #4; adults 18-49: 0.6, #T2) offered up originals from "Superstore" (2.678 million viewers, #12; adults 18-49: 0.7, #T4), "Brooklyn Nine-Nine" (1.919 million viewers, #15; adults 18-49: 0.6, #T9), "Will & Grace" (2.026 million viewers, #14; adults 18-49: 0.4, #T14), "Indebted" (1.555 million viewers, #16; adults 18-49: 0.4, #T14) and "Law & Order: Special Victims Unit" (3.425 million viewers, #10; adults 18-49: 0.7, #T4).

And finally, a new "Katy Keene" (0.538 million viewers, #17; adults 18-49: 0.1, #T17) and a rebroadcast of "Dogs of the Year" (0.536 million viewers, #18; adults 18-49: 0.1, #T17) closed out the night on The CW (0.537 million viewers, #5; adults 18-49: 0.1, #5).

Week-to-week changes (adults 18-49):
0.00% - Grey's Anatomy
0.00% - Young Sheldon
0.00% - Station 19
0.00% - Mom
0.00% - The Unicorn
0.00% - Last Man Standing
0.00% - Law & Order: Special Victims Unit
0.00% - Superstore
0.00% - Carol's Second Act
0.00% - A Million Little Things
0.00% - Brooklyn Nine-Nine
0.00% - Deputy
0.00% - Outmatched
0.00% - Tommy
0.00% - Will & Grace
0.00% - Indebted
0.00% - Katy Keene

Year-to-year changes (adults 18-49):
+20.00% - A Million Little Things (vs. How to Get Away with Murder)
+16.67% - Last Man Standing (vs. Gotham)
0.00% - Grey's Anatomy (vs. A Million Little Things)
-16.67% - Outmatched (vs. Gotham)
-22.22% - Law & Order: Special Victims Unit
-28.57% - Deputy (vs. The Orville)
-33.33% - Carol's Second Act (vs. Fam)
-36.36% - Superstore (vs. The Titan Games)
-41.18% - Station 19 (vs. Grey's Anatomy)
-42.86% - Indebted (vs. Will & Grace)
-45.45% - Brooklyn Nine-Nine (vs. The Titan Games)
-46.15% - Mom
-50.00% - Tommy (vs. SWAT)
-50.00% - Will & Grace (vs. Brooklyn Nine-Nine)
-50.00% - Katy Keene (vs. Charmed (Repeat))
-56.52% - Young Sheldon (vs. The Big Bang Theory)
-61.11% - The Unicorn (vs. Young Sheldon)

Source: Nielsen Media Research