Themecon was scheduled to be held October 7-9, 1977 at the Twin Bridges Marriott in Washington, DC and was organized by Alan Huff. It was cancelled in mid-1977.

This is a convention page. Please extend it by adding information about the convention, including dates, GoHs, convention chairman, location, sponsoring organization, external links to convention pages, awards given, the program, notable events, anecdotes, pictures, scans of publications, pictures of T-shirts, con reports, etc.