The two-hour world premiere of the “Buffy...

The two-hour world premiere of the “Buffy the Vampire Slayer” series delivered the highest Monday numbers ever for WB. The new series exceeded WB’s previous high for the night by 16% in ratings and 14% in share. After nine weeks, ABC’s “Politically Incorrect With Bill Maher” outperformed “The Late Show With David Letterman” by an average 29% in the 17 major television markets where it airs live.

Prime Time

Ratings for adults, 18-49

NBC

Last week: 6.1

Season to date: 6.9

Fox

Last week: 5.5

Season to date: 5.6

ABC

Last week: 4.9

Season to date: 5.6

CBS

Last week: 4.2

Season to date: 4.4

UPN

Last week: 1.7

Season to date: 2.0

WB

Last week: 1.3

Season to date: 1.3

Size of group: 123,150,000

Note: Each rating point equals 1% of group

Sources: Nielsen Media Research, networks