Due to the nature of live programming the ratings for CBS (NCAA Basketball) are approximate and subject to significant revisions in the final numbers. See below for more information on these Fast Affiliate Ratings.


About 90 minutes of coverage of the regional finals of the NCAA Men’s basketball tournament in primetime was more than enough for CBS to coast to victory for the night.   Note again that because of the live event, the results are very approximate.  Also, because part of 48 Hours Mystery was pushed outside of primetime,  the part that went past 11pm is not included here.

Fox took second place for the night with its battle-scarred Saturday night lineup of Cops and America’s Most Wanted.  ABC and NBC were tied for third with adults 18-49, but at a fair distance in Fox’s rear view mirror.

With West Virginia and Butler already through to the final four, CBS must be rooting hard for Duke to survive to play in the final game a week from Monday.


Time Net Show 18-49 Rating/Sh Viewers   (Millions)
8:00 CBS NCAA Men’s Basketball Tournament (8p-9:30p) 3.6/13 12.15
FOX Cops (Original and repeat) 1.5/5 4.87
ABC Dancing With the Stars (R) (8p-10p) 1.0/4 4.33
NBC Parenthood (R) 0.5/2 2.06
9:00 FOX America’s Most Wanted 1.7/6 5.28
NBC Law & Order (R) 0.8/3 4.28
9:30 CBS NCIS: Los Angeles (R) (9:30p-10:30p) 1.9/6 6.98
10:00 NBC Law & Order: SVU (R) 1.3/4 4.75
ABC Castle (R) 0.9/3 4.31
10:30 CBS 48 Hours Mystery 1.3/4 5.58

You can see TV ratings from other recent Overnight ratings reports here.

Nielsen TV Ratings: ©2010 The Nielsen Company. All Rights Reserved. Source: Marc Berman/Mediaweek.


Fast Affiliate Ratings: These first national ratings, including demographics, are available at approximately 11 AM (ET) the day after telecast, and are released to subscribing customers daily. These data, from the National People Meter sample, are strictly time-period information, based on the normal broadcast network feed, and include all programming on the affiliated stations, sometimes including network programming, sometimes not. 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. For example, with a World Series game, Fast Affiliate Ratings would include whatever aired from 8-11PM on affiliates in the Pacific Time Zone, following the live football game, but not game coverage that begins at 5PM PT. The same would be true of Presidential debates as well as live award shows and breaking news reports.

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.

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. (See also, Rating, which represents tuning or viewing as a percent of the entire population being measured.)

Time Shifted Viewing – Program ratings for national sources are produced in three streams of data – Live, Live+Same Day (Live+SD) and Live+7 Day. Time shifted figures account for incremental viewing that takes place with DVRs which are currently in approximately 24.4% of all U.S. TV households. Live+Same Day (Live+SD) include viewing during the same broadcast day as the original telecast, with a cut-off of 3:00AM local time when meters transmit daily viewing to Nielsen for processing. Live+7 Day ratings include incremental viewing that takes place during the 7 days following a telecast.

For more information see Numbers 101 and Numbers 102.

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