The following is the 1966–67 network television schedule for the three major English language commercial broadcast networks in the United States. The schedule covers primetime hours from September 1966 through August 1967. The schedule is followed by a of returning series, new series, and series cancelled after the 1965–66 season. New fall 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. Note: This is the first full season in which practically all prime time programs were broadcast in color.