2003–04 United States network television schedule
The following is the 2003–04 network television schedule for the six major English language commercial broadcast networks in the United States. The schedule covers primetime hours from September 2003 through August 2004. The schedule is followed by a list per network of returning series, new series, and series cancelled after the 2002–03 season. All times are Eastern and Pacific, with certain exceptions, such as "Monday Night Football". New series are highlighted in bold. Each of the 30 highest-rated shows is listed with its rank and rating as determined by Nielsen Media Research. The  2003–2004 season marked the final time that the major networks scheduled substantial original scripted drama series on Saturdays. After years of declining ratings on that particular evening, beginning with the 2004–2005 season the networks ceased scheduling original dramas on Saturdays, choosing instead to fill the schedule with non-fiction programming and reruns. Other Legend PBS is not included; member stations have local flexibility over most of their schedules and broadcast times for network shows may vary. From August 13 to 29, 2004, all of NBC's primetime programming was preempted in favor of coverage of the 2004 Summer Olympics. Sunday . NOTE: On Fox, "The Ortegas" was supposed to air at 8:30-9, but it was cancelled. Tuesday. NOTE: On The WB, "Fearless" was supposed to have started in the Fall at 9-10, but it was delayed to midseason, then it was cancelled both due to production difficulties. Thursday. NOTE: On Fox, "The O.C." was supposed to air at 9-10 after "Tru Calling", but at the last minute stick with repeats. By network. ABC. Returning series New series Not returning from 2002-03 CBS. Returning series New series Not returning from 2002-03 Fox. Returning series: New series: Not  returning from 2002-03: NBC. Returning series: New series: Not returning from 2002-03: UPN. Returning series New series Not returning from 2002-03 The WB. Returning series New series Not returning from 2002-03 Note: The * indicates that the program was introduced in midseason.