Broadcast primetime live + same-day ratings for Saturday, March 17, 2018

Note: Live sports on CBS may result in greater adjustments than usual in the final ratings.

The numbers for Saturday:

Time Show Adults 18-49 rating/share
Viewers (millions)
8 p.m. NCAA Tournament (CBS) (8-10:30 p.m.) 1.7/6 6.16
20/20 (ABC) 0.5/2 3.19
Masterchef Junior (FOX) – R 0.3/1 1.26
Will & Grace (NBC) – R 0.2/1 1.48
8:30 p.m. Superstore (NBC) – R 0.3/1 1.59
9 p.m. Dateline (NBC) 0.6/3 3.22
Deception (ABC) – R 0.4/2 2.21
Showtime at the Apollo (FOX) – R 0.3/1 1.47
10 p.m. SNL Vintage (NBC) 0.6/3 2.52
For the People (ABC) – R 0.3/1 2.06
10:30 p.m. 48 Hours (CBS) 0.9/4 3.82


In keeping with this week’s trend, live broadcasts of this year’s NCAA Tournament practically dominated over the rest of the programs Saturday night.

CBS’ two-and-a-half-hour-long coverage of the tournament raked in a 1.7 average rating in adults 18-49 with 6.16 million viewers, far above what any other broadcast scored last night. “48 Hours” rounded things out for CBS with a 0.9, making it also the second-highest rated program of the night.

On ABC, “20/20” scored a modest 0.5, while reruns of “Deception” and “For the People” grabbed 0.4 and 0.3 ratings, respectively. NBC’s “Dateline” scored just slightly higher than “20/20” with a 0.6 as well.

Network averages:

Adults 18-49 rating/share 1.7/6 0.4/2 0.4/2 0.3/1
Total Viewers (millions) 6.16 2.49 2.20 1.37



Rating: Estimated percentage of the universe of TV households (or other specified group) tuned to a program in the average minute. Ratings are expressed as a percent.
Fast Affiliate Ratings: These first national ratings are available at approximately 11 a.m. ET the day after telecast. The figures may include stations that did not air the entire network feed, as well as local news breaks or cutaways for local coverage or other programming. Fast Affiliate ratings are not as useful for live programs and are likely to differ significantly from the final results, because the data reflect normal broadcast feed patterns. 
Share (of Audience): 
The percent of households (or persons) using television who are tuned to a specific program, station or network in a specific area at a specific time. 
Time Shifted Viewing:
 Program ratings for national sources are produced in three streams of data – Live, Live +Same-Day and Live +7 Day. Time-shifted figures account for incremental viewing that takes place with DVRs. Live+SD includes viewing during the same broadcast day as the original telecast, with a cut-off of 3 a.m. local time when meters transmit daily viewing to Nielsen for processing. Live +7 ratings include  viewing that takes place during the 7 days following a telecast.

Source: The Nielsen Company.

Posted by:Alex Welch

Alex Welch has been writing for TV by the Numbers since January 2016. In his off time he enjoys rewatching old episodes of Game of Thrones and unironically singing along to ABBA. Every now and then, he even does them at the same time. He lives in Los Angeles.

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