Final broadcast primetime live + same-day ratings for Thursday, March 15, 2018

In addition to expected changes to ratings for the NCAA Tournament, one other show had its numbers adjust from Thursday’s fast nationals to the finals.

“AP Bio” adjusted up a tenth of a point to 0.9 in adults 18-49, its best showing so far aside from a post-Winter Olympics airing. The NCAA Tournament on CBS came down a bit from the fast nationals but finishes with 4.98 million viewers and a 1.5 for the night, up from 4.47 million and 1.2 for the same night last year.

Upward adjustments in adults 18-49 are in blue; downward adjustments are in red.

Time Show Adults 18-49 rating/share
Viewers (millions)
8 p.m. NCAA Tournament (CBS) (7-9:26 p.m.) 1.7/7 5.92
Grey’s Anatomy (ABC) 1.8/7 7.18
Superstore (NBC) 1.0/4 3.93
Gotham (FOX) 0.6/2 2.55
Tough Mudder: Tougher Together (The CW) – S 0.2/1 0.54
8:30 p.m. AP Bio (NBC) 0.9/3 3.07
9 p.m. Will & Grace (NBC) 1.2/5 4.71
Scandal (ABC) 1.1/4 4.74
Showtime at the Apollo (FOX) 0.6/2 2.50
Arrow (The CW) – R 0.2/1 0.54
9:30 p.m. NCAA Tournament (CBS) (9:42-11:45 p.m.) 1.4/5 4.29
Champions (NBC) 0.7/3 3.02
10 p.m. How to Get Away with Murder (ABC) – F 1.0/4 3.83
Chicago Fire (NBC) – R 0.6/2 3.65


Network averages:

Adults 18-49 rating/share 1.5/6 1.3/5 0.8/3 0.6/2 0.2/1
Total Viewers (millions) 4.98 5.25 3.67 2.52 0.54



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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