The Jack Benny Program #139: Jack Goes To a Gym (Season 11, Episode 16)Don leaves the studio forgetting he was supposed to give Jack a ride home. While looking for Don, Jack becomes enamored with a new young receptionist whom he learns has a penchant for broad-shoulded, burly men like Rock Hudson and Robert Mitchum. Jack decides to join a body-building program at McGuire's Gym and goads Don into joining because of the two-for-one special. Hilarity ensues. McGuire is played by Allen Hale Jr., best known as the Skipper Jonas Grumby from the sitcom Gilligan's Island. Guest stars: Richard Reeves, Alan Hale Jr. (McGuire), Lisa Davis (studio secretary), Frank Gerstle, Russell Trent, Norman Alden, William McLean, Leon Tyler. First aired: 2/5/1961.