
First aired
September 29, 1960
Ended

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.
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Oct 3, 1954

Sep 14, 2011

Sep 28, 2011

Jan 18, 1975

Oct 11, 2016

Sep 16, 2003

Dec 16, 1975

Sep 3, 1991

Oct 2, 2000

Oct 11, 2011

Mar 5, 1994

Jun 6, 2007

Sep 24, 2008

Jan 22, 1983