| 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 (12/19/19): NBC (3.341 million viewers, #2; adults 18-49: 0.6, #1) claimed the adults 18-49 crown on Thursday thanks to "Miss America 2020" (3.609 million viewers, #4; adults 18-49: 0.6, #T1) followed by a rebroadcast of "Gwen Stefani's You Make It Feel Like Christmas" (2.805 million viewers, #7; adults 18-49: 0.5, #T4). ABC (2.712 million viewers, #3; adults 18-49: 0.5, #2) was a close second with encores of "Disney Prep & Landing" (3.032 million viewers, #6; adults 18-49: 0.6, #T1) and "Disney Prep & Landing 2: Naughty vs. Nice" (2.639 million viewers, #11; adults 18-49: 0.6, #T1) plus a new "The Great American Baking Show: Holiday Edition" (2.651 million viewers, #10; adults 18-49: 0.5, #T4). Next up was CBS (3.574 million viewers, #1; adults 18-49: 0.4, #T3) and its repeat lineup of "Young Sheldon" (5.528 million viewers, #1; adults 18-49: 0.5, #T4), "The Unicorn" (3.906 million viewers, #3; adults 18-49: 0.4, #T9), "Mom" (4.111 million viewers, #2; adults 18-49: 0.4, #T9), "Carol's Second Act" (3.520 million viewers, #5; adults 18-49: 0.4, #T9) and "Evil" (2.188 million viewers, #12; adults 18-49: 0.2, #T14). Meanwhile, FOX (2.004 million viewers, #4; adults 18-49: 0.4, #T3) offered up second runs of "Last Man Standing" (2.659 million viewers, #9; adults 18-49: 0.5, #T4), another "Last Man Standing" (2.669 million viewers, #8; adults 18-49: 0.5, #T4) and "Prodigal Son" (1.344 million viewers, #13; adults 18-49: 0.3, #T12). And finally, The CW (0.907 million viewers, #5; adults 18-49: 0.2, #5) closed out the night with "iHeartRadio Jingle Ball 2019" (0.983 million viewers, #14; adults 18-49: 0.3, #T12) and a repeat "Whose Line Is It Anyway?" (0.680 million viewers, #15; adults 18-49: 0.2, #T14). Week-to-week changes (adults 18-49):0.00% - The Great American Baking Show: Holiday Edition
 
 Year-to-year changes (adults 18-49):+50.00% - iHeartRadio Jingle Ball 2019 (vs. The 4th Annual Howie Mandel Stand-Up Extravaganza)
 0.00% - Miss America 2020 (vs. Timeless)
 -28.57% - The Great American Baking Show: Holiday Edition
 
 
 Here are the highlights of the 12 ad-sustained programs that aired in primetime on the broadcast networks one year ago (12/20/18): ABC (4.106 million viewers, #2; adults 18-49: 0.9, #1) pulled into the top spot among adults 18-49 thanks to its telecast of "A Charlie Brown Christmas" (5.138 million viewers, #5; adults 18-49: 1.2, #1) and the finale to "The Great American Baking Show: Holiday Edition" (3.591 million viewers, #6; adults 18-49: 0.7, #T5). CBS (5.391 million viewers, #1; adults 18-49: 0.8, #2) then was a close second with its mix of "The Big Bang Theory" (7.012 million viewers, #1; adults 18-49: 1.0, #2), "Young Sheldon" (6.551 million viewers, #2; adults 18-49: 0.9, #T3), "Mom" (6.404 million viewers, #3; adults 18-49: 0.9, #T3), the season finale of "Murphy Brown" (5.214 million viewers, #4; adults 18-49: 0.7, #T5) and "SWAT" (3.583 million viewers, #7; adults 18-49: 0.5, #T9). Next up was NBC (2.965 million viewers, #3; adults 18-49: 0.6, #3) and part one of the "Timeless" (3.475 million viewers, #8; adults 18-49: 0.6, #T7) finale, part two of the "Timeless" (2.963 million viewers, #9; adults 18-49: 0.6, #T7) finale and a rebroadcast of "Deal or No Deal: Happy Howie Days" (2.457 million viewers, #10; adults 18-49: 0.5, #T9). Meanwhile, FOX (1.497 million viewers, #4; adults 18-49: 0.4, #4) served up an encore of "A Christmas Story Live!" (1.497 million viewers, #11; adults 18-49: 0.4, #11). And finally, "The 4th Annual Howie Mandel Stand-Up Extravaganza" (1.048 million viewers, #12; adults 18-49: 0.2, #12) on The CW (1.048 million viewers, #5; adults 18-49: 0.2, #5) rounded out the night. Week-to-week changes (adults 18-49):+16.67% - The Great American Baking Show: Holiday Edition
 0.00% - Murphy Brown
 
 Year-to-year changes (adults 18-49):0.00% - The Great American Baking Show: Holiday Edition (vs. CMA Country Christmas)
 0.00% - The 4th Annual Howie Mandel Stand-Up Extravaganza (vs. Supernatural/Arrow (Repeats))
 -36.36% - Murphy Brown (vs. Life in Pieces)
 -45.45% - Timeless - 8:00 (vs. A Saturday Night Live Christmas Special (Repeat))
 -45.45% - Timeless - 9:00 (vs. A Saturday Night Live Christmas Special (Repeat))
 
 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," 1.7/5; "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," 0.5/3; "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 1.0/4 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," 1.1/4 in metered-market households; CBS's "Late Late Show," 1.3/5.  In the 25 markets with Local People Meters, averages were: "Late Night," 0.3/3 in 18-49; "Late Late Show," 0.2/2.
 ·        At 1:35 a.m., "Last Call with Carson Daly" averaged a 0.6/3 in metered-market households with an encore and a 0.2/2 in adults 18-49 in the 25 markets with local people meters.
 Source: Nielsen Media Research 
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