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

Here are the highlights of the 15 ad-sustained programs that aired in primetime on the broadcast networks last night (12/21/16):

CBS (5.719 million viewers, #1; adults 18-49: 1.0, #1) was the network to beat on Wednesday with the return of "Undercover Boss" (5.880 million viewers, #2; adults 18-49: 1.1, #1) followed by a second "Undercover Boss" (5.339 million viewers, #3; adults 18-49: 1.0, #T2) and a new "Code Black" (5.938 million viewers, #1; adults 18-49: 0.9, #T4).

ABC (3.328 million viewers, #2; adults 18-49: 0.8, #2) then took home the silver with its special repeat lineup of "The Goldbergs" (4.180 million viewers, #4; adults 18-49: 1.0, #T2), "American Housewife" (3.431 million viewers, #8; adults 18-49: 0.9, #T4), "Modern Family" (3.947 million viewers, #5; adults 18-49: 0.9, #T4) and "The Real O'Neals" (2.980 million viewers, #11; adults 18-49: 0.8, #T7) plus the special "Game Changers with Robin Roberts" (2.716 million viewers, #12; adults 18-49: 0.6, #13).

Next up was NBC (3.265 million viewers, #3; adults 18-49: 0.7, #T3) and its trio of "Elf: Buddy's Musical Christmas" (3.022 million viewers, #10; adults 18-49: 0.8, #T7), "Law & Order: Special Victims Unit" (3.322 million viewers, #9; adults 18-49: 0.7, #T10) and "Chicago PD" (3.452 million viewers, #7; adults 18-49: 0.7, #T10).

Meanwhile, FOX (3.212 million viewers, #4; adults 18-49: 0.7, #T3) likewise offered up repeats of "Lethal Weapon" (3.783 million viewers, #6; adults 18-49: 0.8, #T7) and "Star" (2.642 million viewers, #13; adults 18-49: 0.7, #T10).

And finally, night two of "Terry Crews Saves Christmas" (0.828 million viewers, #14; adults 18-49: 0.3, #14) and a repeat "Arrow" (0.636 million viewers, #15; adults 18-49: 0.2, #15) closed out the night on The CW (0.732 million viewers, #5; adults 18-49: 0.2, #5).

Week-to-week changes (adults 18-49):
-18.18% - Code Black (vs. 12/7/16)

Year-to-year changes (adults 18-49):
+42.86% - Undercover Boss - 9:00 (vs. Hawaii Five-0 (Repeat))
0.00% - Undercover Boss - 8:00 (vs. I Love Lucy Christmas Special (Repeat))
0.00% - Code Black (vs. Criminal Minds (Repeat))
0.00% - Terry Crews Saves Christmas (vs. Arrow (Repeat))
-7.69% - Game Changers with Robin Roberts (vs. Fresh Off the Boat/Black-ish (Repeats))

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

TBA

Here are the highlights of the 17 ad-sustained programs that aired in primetime on the broadcast networks one year ago (12/23/15):

CBS (5.764 million viewers, #1; adults 18-49: 0.9, #T1) was the most-watched network on a repeat Wednesday with its mix of "I Love Lucy Christmas Special" (7.399 million viewers, #1; adults 18-49: 1.1, #T2), "Hawaii Five-0" (4.893 million viewers, #5; adults 18-49: 0.7, #T10) and "Criminal Minds" (5.001 million viewers, #3; adults 18-49: 0.9, #T5).

NBC (4.257 million viewers, #2; adults 18-49: 0.9, #T1) then shared in the demo honors with encores of "How the Grinch Stole Christmas" (4.919 million viewers, #4; adults 18-49: 1.2, #1), "How Murray Saved Christmas" (3.562 million viewers, #8; adults 18-49: 0.9, #T5), "Adele Live in New York City" (5.032 million viewers, #2; adults 18-49: 1.1, #T2) and "Michael Bublé's Christmas in Hollywood" (3.499 million viewers, #9; adults 18-49: 0.6, #T12).

Next up was ABC (3.328 million viewers, #3; adults 18-49: 0.8, #3) with repeats of "The Middle" (4.129 million viewers, #6; adults 18-49: 0.9, #T5), "The Goldbergs" (3.419 million viewers, #10; adults 18-49: 0.9, #T5), "Modern Family" (3.836 million viewers, #7; adults 18-49: 1.0, #4), "Black-ish" (3.269 million viewers, #11; adults 18-49: 0.8, #9), "Fresh Off the Boat" (2.735 million viewers, #12; adults 18-49: 0.7, #T10) and another "Black-ish" (2.577 million viewers, #13; adults 18-49: 0.6, #T12).

Meanwhile, FOX (1.821 million viewers, #4; adults 18-49: 0.5, #4) offered up second runs of "Empire" (1.854 million viewers, #14; adults 18-49: 0.5, #14) and "Rosewood" (1.787 million viewers, #15; adults 18-49: 0.4, #15).

And finally, repeats of "Arrow" (1.161 million viewers, #16; adults 18-49: 0.3, #T16) and "Supernatural" (0.874 million viewers, #17; adults 18-49: 0.3, #T16) on The CW (1.017 million viewers, #5; adults 18-49: 0.3, #5) closed out the night.

Week-to-week changes (adults 18-49):
N/A

Year-to-year changes (adults 18-49):
N/A

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," 2.5/6 with an encore telecast; "Late Show with Stephen Colbert," 1.8/4 with an encore; and ABC's "Jimmy Kimmel Live," 1.8/4 with an encore.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show Starring Jimmy Fallon," 0.8/4 with an encore; "Late Show," 0.4/2 with an encore; and "Jimmy Kimmel Live," 0.5/2 with an encore.

· From 12:35-1:05 a.m. ET, ABC's "Nightline" averaged a 1.2/4 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, "Late Night with Seth Meyers" (1.3/4 in metered-market households with an encore) beat CBS's "Late Late Show" (0.9/3 with an encore). In the 25 markets with Local People Meters, "Late Night" (0.5/3 in 18-49 with an encore) topped "Late Late Show" (0.3/2 with an encore).

· At 1:35 a.m., "Last Call with Carson Daly" averaged a 0.7/3 in metered-market households with an encore and a 0.3/2 in adults 18-49 in the 25 markets with local people meters.

Source: Nielsen Media Research