'Dateline’ Posts Biggest November Sweep Advantages over ABC in 15 Years

Broadcast Grows in Total Viewership and Every Key Demo vs. July 2017 Sweep While 20/20 Declines by Double Digits

November 27, 2017 – “Dateline NBC” topped ABC’s “20/20” across the board for the third consecutive sweep period, posting its biggest November sweep advantages over ABC in 15 years since 2002. “Dateline” averaged 5.0 million total viewers, outperforming ABC’s “20/20” by 2.2 million (+82%). Compared to the previous November sweep, total viewership for “Dateline” was up +5% (+225,000) while “20/20” was down -34% (-1.386 million).

“Dateline” also won both A25-54 and A18-49 demos for the November 2017 period, averaging 1.6 million A25-54 viewers, leading ABC by +675,000 (+74%). Among A18-49, the broadcast averaged 1.2 million viewers, topping ABC by +521,000 (+79%).

Versus July 2017 sweep, “Dateline” was up +10% (437,000) in total viewers, up +16% (+213,000) in A25-54 viewers and up +12% with +129,000 A18-49 viewers. “20/20” was down across-the-board since the July sweep.

November Sweep Highlights:

  • “Dateline” averaged 5.0 million total viewers, leading “20/20” by 2.2 million (+82%).
  • This is the broadcast’s biggest November sweep lead over ABC in more than 10 years.
  • Among A25-54, “Dateline” averaged 1.6 million A25-54 viewers, leading +675,000 (+74%).
  • “Dateline” averaged 1.2 million viewers in A18-49, topping ABC by +521,000 (+79%).



“Dateline” is the longest-running series in NBC primetime history. In its 26th season, Dateline is anchored by Lester Holt and features correspondents Andrea Canning, Josh Mankiewicz, Keith Morrison and Dennis Murphy. Airing Fridays at 9 p.m. ET/8 p.m. CT, “Dateline” reaches more than 20 million people every week through its broadcast, and millions more through its social media platforms. David Corvo is the senior executive producer, and Liz Cole is the executive producer. Follow Dateline on Facebook, Instagram and Twitter.


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Dominique Cuce NBC News 212-664-6192