Focuses on the 20th Century-Fox's Eidophor wide-screen theater television system in the U.S. Development of Eidophor; Involvement of Fox in the development of theater television; Demonstrations of the color Eidophor system; Manufacture of the commercial units of the color Eidophor; Integration of Eidophor and CinemaScope; Lock-in effect caused by the CinemaScope strategy; Promotional concept of Eidophor.