Seasons
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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.

September 29, 1960

September 28, 1961

September 20, 1962

September 19, 1963

September 17, 1964

September 16, 1965

September 15, 1966

September 09, 1967

September 28, 1968

October 04, 1969

September 19, 1970

September 13, 1971