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.
CBS’ coverage of the NCAA Men’s Basketball Tournament “Sweet Sixteen” did slightly better in the preliminary ratings than last Thursday’s first round, but otherwise losses in broadcast primetime were widespread. And although it was airing repeats, Fox finished behind the CW and tied Univision in adults 18-49.

ABC’s FlashForward fell 5% from last week to a series low 1.8 adults 18-49 rating. Grey’s Anatomy fell 8% from its last original episode (3/11) to a series low 3.6 rating. Only Private Practice bucked the trend, up 4% from its last original episode (3/11) to a 2.9 rating.

NBC’s Community was flat vs. last week with a 2.0 adults 18-49 rating, and that was the bright spot of the night for the Peacock. Parks & Recreation fell 5% to a 1.9 rating. The Office fell 3% to a season low 3.5 rating. 30 Rock was down 3% to a 2.9 rating, and The Marriage Ref fell 14% to a series low 2.5 rating.

Returning with new episodes, the CW’s Vampire Diaries scored a 1.5 adults 18-49 rating, that’s the same as its last new episode (2/11). Vampire Diaries was down 8% to a 2.2 rating in the CW target women 18-34 demo.  Supernatural’s 1.2 adults 18-49 rating was up 20% from its last original episode (2/11). Supernatural was up 8% in the CW target women 18-34 ratings to a 1.3 rating.

The preliminary ratings for the primetime portion of the NCAA Tournament on CBS were up slightly (3.8 rating  vs. 3.5 in the fast affiliate ratings) from last Thursday, but they are liable to be adjusted significantly in the final ratings.

Time Net Show 18-49 Rating 18-49 Share Viewers Live+SD (Millions)
8:00 CBS NCAA Tournament: Third Round 3.3 11 9.959
NBC Community 2.0 7 5.093
ABC FlashForward 1.7 6 6.136
CW The Vampire Diaries 1.5 5 3.218
FOX Bones (repeat) 1.4 5 5.781
8:30 CBS NCAA Tournament: Third Round 3.9 12 11.773
ABC FlashForward 1.9 6 6.295
NBC Parks & Recreation 1.9 6 4.485
FOX Bones (repeat) 1.6 5 6.362
CW The Vampire Diaries 1.5 5 3.259
9:00 CBS NCAA Tournament: Third Round 4.4 12 13.076
ABC Grey’s Anatomy 3.5 10 11.070
NBC The Office 3.5 10 7.164
CW Supernatural 1.2 3 2.924
FOX Fringe (repeat) 1.1 3 4.174
9:30 ABC Grey’s Anatomy 3.7 10 11.712
CBS NCAA Tournament: Third Round 3.6 10 10.691
NBC 30 Rock 2.9 8 6.288
CW Supernatural 1.2 3 2.855
FOX Fringe (repeat) 1.1 3 3.938
10:00 CBS NCAA Tournament: Third Round 3.9 11 10.670
ABC Private Practice 3.0 9 8.935
NBC The Marriage Ref 2.6 7 6.704
10:30 CBS NCAA Tournament: Third Round 3.9 11 10.296
ABC Private Practice 2.9 8 8.599
NBC The Marriage Ref 2.4 7 6.389

Nielsen TV Ratings: ©2010 The Nielsen Company. All Rights Reserved.

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


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.

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