Broadcast primetime live + same-day ratings for Saturday, Oct. 21, 2017

Note: Live college football on ABC, FOX and NBC will likely 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. Saturday Night College Football (ABC) (8-11 p.m.) 2.0/8 6.73
College Football (NBC) (8-11 p.m.) 0.6/3 2.48
NCIS (CBS) – R 0.4/2 3.00
FOX College Football (FOX) (8-11 p.m.) 0.4/2 1.41
9 p.m. 48 Hours (CBS) – R 0.4/2 3.44
10 p.m. 48 Hours (CBS) 0.6/3 4.03


None of the three primetime college football games the broadcast networks aired Saturday was very competitive on the field. The ratings race was pretty lopsided too.

ABC’s “Saturday Night College Football” broadcast was far and away the top performer, scoring a 2.0 rating in adults 18-49 and 6.73 million viewers, pending updates. ABC’s 18-49 average beat the combined total for NBC (0.6), CBS (0.5) and FOX (0.4).

Network averages:

Adults 18-49 rating/share 2.0/8 0.6/3 0.5/2 0.4/2
Total Viewers (millions) 6.73 2.48 3.49 1.41


“Saturday Night Live” aired a repeat of its season premiere.


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:Rick Porter

Rick Porter has been covering TV since the days when networks sent screeners on VHS, one of which was a teaser for the first season of "American Idol." He's left-handed, makes a very solid grilled cheese and has been editor of TV by the Numbers since October 2015. He lives in Austin.

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