09/29/1960 (US) • 30m
Overview
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.
1971 | 24 Episodes
Season 12 of My Three Sons premiered on September 13, 1971.
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