Prime Time Wednesday Ratings

NBC's "Knight Rider" debuted to somewhat disappointing ratings, placing third in its time period, despite the promotional push from the network and the huge ratings for its TV movie/backdoor pilot last season. Fox's "Do Not Disturb" dipped two-tenths of a ratings point from last week to an alarmingly low 1.3/3. "Disturb" has cropped up on several lists as the first casualty of the fall season, but no official word from Fox as of Wednesday afternoon. CBS' "Criminal Minds" and "CSI: NY" enjoyed 34% and 8% increases, respectively, over last year's premeires.

	8	8:30	9	9:30	10	10:30
2.9 / 8	Dancing With the Stars 3.6 / 10 15.9 mil		Presidential Speech (9-9:15) Not rated	David Blaine: Dive of Death (9:16-11:16) 2.6 / 7 7.1 mil
3.6 / 10	Old Christine 2.1 / 6 6.5 mil	Gary Unmarried 2.4 / 7 6.8 mil	Presidential Speech (9-9:15) Not rated	Criminal Minds (9:15-10:15) 4.7 / 12 17 mil		CSI: NY (10:15-11:15) 4.0 / 11 14.6 mil
2.2 / 6	Bones 3.1/ 9 9.7 mil		Presidential Speech (9-9:15) Not rated	'Til Death (9:15-9:45) 1.4 / 4 3.7 mil	Do Not Disturb (9:45-10:15) 1.3 / 3 3.6 mil	No Programming
2.5 / 7	Knight Rider 2.5 / 7 7.3 mil		Presidential Speech (9-9:15) Not rated	America's Got Talent (9:15-10) 2.7 / 7 10.3 mil	Lipstick Jungle 2.4 / 6 6.3 mil
1.6 / 4	America's Next Top Model 2.1 / 6 4.1 mil		90210 1.1 / 3 2.3 mil		No Programming

Source: Nielsen Media Research

*Ratings are specified in the 18-to 49-year-old demographic and viewership in P2+.

A note about ratings: Ratings are expressed as percentages of Nielsen's estimated 112.8 million U.S. television households. The first number, the rating, is a percentage of households tuned into a specific program at a specific time.

The second number, the share, is a percentage of households with televisions in use tuned into that same program. For example, if a show obtains a 10.2/16, this means that 10.2% of all U.S. households tuned into the program at some point during the broadcast. Meanwhile, 16% of all households watching television during the time period viewed the program at some point. Ratings are broken down further by demographic, as networks sell advertising time based on the makeup of the audience.