31.4 Million Watch Grissom & Co.'s 100th Case

See Also: 'Ch-Ch-Changes' Episode Guide

Thursday's landmark episode of CSI: Crime Scene Investigation, "Ch-Ch-Changes", was the most-watched instalment of the series to date.

31.4 million viewers tuned in to watch Grissom, Catherine and the rest of the Las Vegas team solve their 100th case, trade paper Variety reported. CSI also scored a 11.6 rating / 28 share in the demographic coveted most by advertisers, adults 18-49, which was the show's equal best performance in that demographic.

The overall viewership for "Ch-Ch-Changes" came in at a 19.3 rating / 29 share. This means that approximately 19.3% of American households with television sets were watching CSI that night, while the episode was viewed by 29% of households watching television at 9:00 p.m. CSI has averaged just over 29 million viewers an episode so far this season.

The other networks were left in the dust by CSI's record high, with NBC, ABC and FOX only managing 26 million viewers combined during the 9:00 p.m. hour, according to Zap2it. Donald Trump proved he is still very much The Apprentice when it comes to television, with the NBC reality series a distant second in the timeslot with 15.8 million viewers.

CSI: Miami didn't let the side down on Monday night this week, with "Speed Kills" (16.3/24) attracting an average of 22.2 million viewers, slightly up on last week's audience of 21.92 million (story). The 200th episode of Everybody Loves Raymond also provided a welcome boost to the ratings and CBS ruled supreme overall on Monday night, with an average of 17.1 million viewers tuning in.

After executive ADA McCoy secured Law & Order a No. 1 verdict over CSI: New York last Wednesday, the tables were turned this week. "Rain" scored a 11.6/18 rating, bringing in an audience of 17.08 million, according to Mediaweek. In contrast, NBC's stalwart crime drama only managed 13.77 million viewers. Mac Taylor also delivered a CSI victory in the adults 18-49 demographic with a 6.4/17 rating.

The original ratings reports can be found here and here at Yahoo! News and at Mediaweek.

Discuss this news item at Talk CSI!
 Add CSI Files RSS feed to your news reader or My Yahoo!
Also a Desperate Housewives fan? Then visit GetDesperate.com!