RATINGS: THE BIG BANG THEORY Brings CBS to the Top on Thursday

CBS (6.651 million viewers, #1; adults 18-49: 1.1, #1) was the network to beat on Thursday with its mix of "The Big Bang Theory" (11.172 million viewers, #1; adults 18-49: 1.8, #1), the return of "Life in Pieces" (6.843 million viewers, #2; adults 18-49: 1.0, #T3), "Mom" (6.623 million viewers, #3; adults 18-49: 1.0, #T3), a second "Life in Pieces" (5.058 million viewers, #6; adults 18-49: 0.8, #T7) and "SWAT" (5.104 million viewers, #5; adults 18-49: 0.8, #T7).

ABC (4.611 million viewers, #2; adults 18-49: 0.8, #2) then captured the silver with fresh installments of "Grey's Anatomy" (6.099 million viewers, #4; adults 18-49: 1.2, #2), "Station 19" (4.960 million viewers, #7; adults 18-49: 0.9, #T5) and "For the People" (2.773 million viewers, #9; adults 18-49: 0.5, #T11).

Next up was FOX (2.375 million viewers, #3; adults 18-49: 0.6, #3) with the penultimate weeks of "Gotham" (2.068 million viewers, #12; adults 18-49: 0.6, #T9) and "The Orville" (2.683 million viewers, #10; adults 18-49: 0.6, #T9).

Meanwhile, NBC (2.247 million viewers, #4; adults 18-49: 0.5, #4) offered up new episodes of "Superstore" (3.036 million viewers, #8; adults 18-49: 0.9, #T5), "AP Bio" (1.835 million viewers, #13; adults 18-49: 0.5, #T11), "Brooklyn Nine-Nine" (1.790 million viewers, #14; adults 18-49: 0.5, #T11) and "Abby's" (1.535 million viewers, #15; adults 18-49: 0.4, #T15) plus a repeat "Law & Order: Special Victims Unit" (2.643 million viewers, #11; adults 18-49: 0.5, #T11).

And finally, new episodes of "Supernatural" (1.301 million viewers, #16; adults 18-49: 0.4, #T15) and "In the Dark" (0.670 million viewers, #17; adults 18-49: 0.2, #17) on The CW (0.986 million viewers, #5; adults 18-49: 0.3, #5) closed out the night.

Week-to-week changes (adults 18-49):
+14.29% - SWAT (vs. 4/4/19)
0.00% - Station 19
0.00% - Superstore
0.00% - The Orville
0.00% - Gotham (vs. 3/21/19)
0.00% - For the People
0.00% - AP Bio
0.00% - Abby's
0.00% - Supernatural
0.00% - In the Dark
-5.26% - THE BIG BANG THEORY (vs. 4/4/19)
-9.09% - Mom (vs. 4/4/19)
-16.67% - Brooklyn Nine-Nine
-20.00% - Grey's Anatomy

Year-to-year changes (adults 18-49):
+25.00% - BROOKLYN NINE-NINE (vs. Will & Grace (Repeat))
+12.50% - Superstore
0.00% - THE ORVILLE (vs. Showtime at the Apollo)
0.00% - Gotham
0.00% - Abby's (vs. Champions)
-11.11% - SWAT
-16.67% - AP Bio
-18.18% - Station 19
-20.00% - Life in Pieces
-25.00% - The Big Bang Theory
-25.00% - Grey's Anatomy
-28.57% - Mom
-33.33% - Supernatural
-47.37% - LIFE IN PIECES (vs. Young Sheldon)
-50.00% - IN THE DARK (vs. Arrow)
-61.54% - FOR THE PEOPLE (vs. Scandal)

In late-night metered market ratings (via NBC's press release):

· In Nielsen's 56 metered markets, household results were: "The Tonight Show Starring Jimmy Fallon," 1.5/4; "Late Show with Stephen Colbert," 2.8/7; and ABC's "Jimmy Kimmel Live," 1.6/4.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show Starring Jimmy Fallon," 0.3/2; "Late Show," 0.4/3; and "Jimmy Kimmel Live," 0.4/3.

· From 12:35-1:05 a.m. ET, ABC's "Nightline" averaged a 1.0/3 in metered-market households and a 0.3/2 in 18-49 in the Local People Meters.

· From 12:35-1:35 a.m. ET, ratings were: "Late Night with Seth Meyers," 1.0/4 in metered-market households; CBS's "Late Late Show," 1.0/4. In the 25 markets with Local People Meters, averages were: "Late Night," 0.2/2 in 18-49; "Late Late Show," 0.2/1.