The sixth season of M*A*S*H aired Tuesdays at 9:00-9:30PM from September 20, 1977 to January 24, 1978 and Mondays at the same time from January 30 to March 27, 1978. Cast Episodes Notes External links List of M*A*S*H (season 6) episodes at the Internet Movie Database 1977 American television seasons 1978 American television seasons MASH 06