A widower and aeronautical engineer named Steven Douglas raises three sons with the help of his father-in-law, and later the boys' great-uncle. An adopted son, a stepdaughter, wives, and another generation of sons join the loving family in later seasons.

Cast:Fred MacMurray, Don Grady, Barry Livingston, Stanley Livingston, William Demarest, Beverly Garland,

Genre:Comedy, Family,

country:United States of America,

Production:MCA Television, Don Fedderson Productions, Gregg-Don Inc.,