The 2004–05 network television schedule for the six major English language commercial broadcast networks in the United States. The schedule covers primetime hours from September 2004 through August 2005. The schedule is followed by a of returning series, new series, and series cancelled after the 2003–04 season. New series are highlighted in bold. All times are U.S. Eastern and Pacific Time (except for some live sports or events). Subtract for one hour Central and Mountain times. Each of the 30 highest-rated shows is listed with its rank and rating as determined by Nielsen Media Research.