1999–2000 United States network television schedule (late night)
These are the late night schedules for the four United States broadcast networks that offer programming during this time period, from September 1999 to August 2000. All times are Eastern or Pacific. Affiliates will fill non-network schedule with local, syndicated, or paid programming. Affiliates also have the option to preempt or delay network programming at their discretion. Legend

Schedule

Monday-Friday

Saturday

By network

ABC

Returning series
ABC World News Now
ABC World News This Morning
Nightline
Politically Incorrect with Bill Maher

CBS

Returning series
CBS Morning News with Julie Chen
Late Show with David Letterman
The Late Late Show with Craig Kilborn
Up to the Minute

Not returning from 1998-99:
The Late Late Show with Tom Snyder

Fox

Returning series
MADtv

NBC

Returning series
Friday Night
Late Night with Conan O'Brien
Later
Saturday Night Live
The Tonight Show with Jay Leno

New series
Early Today

Not returning from 1998-99:
NBC News at Sunrise

United States late night network television schedules
1999 in American television
2000 in American television