Even with a full night of new scripted programming, CBS couldn’t win the night.  NBC edged it out with a narrow adults 18-49 victory (1.5 vs. 1.4). Ghost Whisperer was CBS’s highest-rated show with adults 18-49, with a 1.5 rating, winning the 8pm hour.  At 9pm Dateline and Medium tied (1.4 rating) with adults 18-49, though Medium’s 6.3 million came in ahead of Dateline’s 6.1 million viewers for the hour.

Miami Medical was actually the most-watched show on CBS last night but it also had the lowest adults 18-49 rating (1.3) of CBS’s trio and finished last in the hour in the demo.   NBC’s Dateline won the 10pm hour with both adults 18-49 (1.9 rating) and total viewers (7.3 million.)  Miami Medical’s 18-49 numbers rose .3 versus last week,  or 30%. Last week the new episode of Miami Medical had repeats as its lead-in.

Smallville averaged a 0.9 rating with adults 18-49 and 2.37 million viewers.

Nielsen overnight ratings for Friday, April 30, 2010:

Time Net Show 18-49 Rating Viewers (Millions)
8:00 CBS Ghost Whisperer 1.5/6 6.52
NBC Who Do You Think You Are 1.2/5 5.21
FOX House (R) 8p-10p 0.9/3 2.77
ABC Wife Swap 0.9/4 3.41
CW Smallville 0.9/4 2.37
9:00 CBS Medium 1.4/5 6.33
NBC Dateline 1.4/5 6.08
ABC Wife Swap 1.3/4 3.73
CW America’s Next Top Model (R) 0.6/2 1.50
10:00 NBC Dateline 1.9 7.3
ABC 20/20 1.4/5 4.39
CBS Miami Medical 1.3/4 6.72


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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