1998–99 United States network television schedule

The following is the 1998–99 network television schedule for the six major English language commercial broadcast networks in the United States. The schedule covers primetime hours from September 1998 through August 1999. The schedule is followed by a list per network of returning series, new series, and series cancelled after the 1997–98 season. All times are Eastern and Pacific, with certain exceptions, such as Monday Night Football.
New series highlighted in bold.
Each of the 30 highest-rated shows is listed with its rank and rating as determined by Nielsen Media Research.
:  Yellow indicates the programs in the top 10 for the season.
:  Cyan indicates the programs in the top 20 for the season.
:  Magenta indicates the programs in the top 30 for the season.
Other Legend
*  Light blue indicates local programming.
*  Gray indicates encore programming.
*  Blue-gray indicates news programming.
*  Light green indicates sporting events.
*  Light Purple indicates movies.
*  Red indicates series being burned off and other regularly scheduled programs, including specials.
PBS, the Public Broadcasting Service, is not included; member stations have local flexibility over most of their schedules and broadcast times for network shows may vary.
== Sunday ==
Network 	7:00 PM 	7:30 PM 	8:00 PM 	8:30 PM 	9:00 PM 	9:30 PM 	10:00 PM 	10:30 PM 	11:00 PM 	11:30 PM
ABC 	The Wonderful World of Disney	The Wonderful World of Disney	The Wonderful World of Disney	The Wonderful World of Disney	20/20 Sunday 	20/20 Sunday 	The Practice 	The Practice 	The Buchanan Show 	The Buchanan Show
CBS 	60 Minutes 	60 Minutes 	Touched by an Angel 	Touched by an Angel 	CBS Sunday Movies 	CBS Sunday Movies 	CBS Sunday Movies 	CBS Sunday Movies 	Local 	Local
Fox 	The World's Funniest! 	Holding the Baby 	The Simpsons 	That '70s Show 	The X-Files 	The X-Files 	Local 	Local 	Local 	Local
NBC 	Deadline Sunday 	Deadline Sunday 	Deadline Sunday 	Deadline Sunday 	NBC Sunday Night Movie 	NBC Sunday Night Movie 	NBC Sunday Night Movie	NBC Sunday Night Movie	Local 	Local
Network/Warner	Suscess 	Birds of a Feather 	Welcome to the Chancellors 	Hellstorm M.D. 	Hellstorm M.D. 	Business Legal 	Show's Over 	Show's Over 	Jason Riggs: The P.I. Version	Jason Riggs: The P.I. Version
UPN 	Local 	Local 	Young Hellstorm 	Young Hellstorm 	Everybody Hates Francis	Everybody Hates Francis	The Bad Life 	The Bad Life 	Local 	Local
WB 	Destroy to Build 	Destroy to Build 	Sister, Sister 	Smart Guy 	Unhappily Ever After 	The Army Show 	The Rampage 	The Rampage 	Local 	Local