The Jackie Gleason Show -- October 14, 1967 (CBS) Groucho Marx, Joel Gray, Johnny Mathis, Louis Nye, Jane Morgan, June Taylor Dancers. Groucho and Jackie end the show with a spoof of an old Gallagher and Shean song. 55 minutes. Fair condition. The Dick Cavett Show -- September 5, 1969 (ABC) Groucho Marx was Dick?s only guest this evening; between stories, Groucho sings, "Hello, I Must Be Going," "Lydia," and "Her Petticoat Was Showing." 50 minutes. Very Good Condition.