1977–78 United States network television schedule

This was the television schedule on all three United States television networks for the fall season beginning in September 1977. All times are Eastern and Pacific.

New fall series are highlighted in bold. Series ending their original runs are in italics.

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.

PBS, the Public Broadcasting Service, was in operation, but the schedule was set by each local station. On ABC, debuting news brief, airs all seven nights at 9:58, pm.