All episodes Season 9 S09E20 1969-02-15 25 min 1960s

My Three Sons

The Other Woman

Season 9, Episode 20 · Aired 1969-02-15

My Three Sons still

Synopsis

Chip and Ernie observe their married older brother, Robbie, in the company of a glamorous woman. The boys report the upsetting situation to their father Steve, who assures them he has trust in Robbie and urges them to maintain confidence in their older brother too.

In the series

This episode is part of My Three Sons (1960–1972) on ABC/CBS.

Widower dad, three boys, and Uncle Charley — domestic sitcom built to last.

Key cast

Also in season 9

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