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

Here are the highlights of the 13 ad-sustained programs that aired in primetime on the broadcast networks last night (12/20/17):

CBS (8.263 million viewers, #1; adults 18-49: 1.8, #1) cruised to victory on Wednesday thanks to the two-hour season finale of "Survivor: Heroes vs. Healers vs. Hustlers" (8.736 million viewers, #1; adults 18-49: 1.9, #1) followed by the "Survivor: Heroes vs. Healers vs. Hustlers Reunion" (7.317 million viewers, #2; adults 18-49: 1.6, #2).

NBC (3.567 million viewers, #2; adults 18-49: 0.9, #2) then was the silver draw with repeats of "Will & Grace" (3.840 million viewers, #3; adults 18-49: 0.7, #T4) and the feature "Pitch Perfect" (3.512 million viewers, #4; adults 18-49: 0.9, #3).

Next up was ABC (2.724 million viewers, #3; adults 18-49: 0.6, #3) and its repeat lineup of "The Goldbergs" (3.433 million viewers, #5; adults 18-49: 0.7, #T4), "Speechless" (2.801 million viewers, #7; adults 18-49: 0.7, #T4), "Modern Family" (3.010 million viewers, #6; adults 18-49: 0.7, #T4), "American Housewife" (2.530 million viewers, #8; adults 18-49: 0.6, #8) and "Match Game" (2.286 million viewers, #9; adults 18-49: 0.4, #T10).

Meanwhile, FOX (1.855 million viewers, #4; adults 18-49: 0.5, #4) served up second runs of "Empire" (2.132 million viewers, #10; adults 18-49: 0.5, #9) and "Star" (1.578 million viewers, #11; adults 18-49: 0.4, #T10).

And finally, rebroadcasts of "Grandma Got Run Over by a Reindeer" (1.365 million viewers, #12; adults 18-49: 0.3, #12) and "The Top 12 Greatest Christmas Movies of All Time" (1.056 million viewers, #13; adults 18-49: 0.2, #13) on The CW (1.211 million viewers, #5; adults 18-49: 0.3, #5) rounded out the night.

Week-to-week changes (adults 18-49):
+11.76% - Survivor: Heroes vs. Healers vs. Hustlers

Year-to-year changes (adults 18-49):
+80.95% - Survivor: Heroes vs. Healers vs. Hustlers (vs. Undercover Boss)
+77.78% - Survivor: Heroes vs. Healers vs. Hustlers Reunion (vs. Code Black)

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," 2.2/6; "Late Show with Stephen Colbert," 1.8/5 with an encore; and ABC's "Jimmy Kimmel Live," 1.5/4 with an encore.

· In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show Starring Jimmy Fallon," 0.7/4; "Late Show," 0.3/2 with an encore; and "Jimmy Kimmel Live," 0.4/3 with an encore.

· From 12:35-1:05 a.m. ET, ABC's "Nightline" averaged a 1.1/4 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, ratings were: "Late Night with Seth Meyers," 1.3/4 in metered-market households; CBS's "Late Late Show," 0.9/3 with an encore. In the 25 markets with Local People Meters, averages were: "Late Night," 0.4/3 in 18-49; "Late Late Show," 0.2/2 with an encore.

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

Here are the highlights of the 15 ad-sustained programs that aired in primetime on the broadcast networks one year ago (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

Source: Nielsen Media Research