Where can I watch “My Three Sons” Season 12 Episode 9 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

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Watching earlier episodes in season 12 helps you follow the plot and character arcs leading into this episode.

Watch My Three Sons Season 12 Episode 9 Online

“The Enthusiast” — Watch "My Three Sons" Season 12 Episode 9 online in HD for free. Check streaming providers, cast, and episode details.

Nov 15, 1971 Season 12 Episode 9 TV-PG

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My Three Sons Season 12

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Season 12 Episode 9 — Aired on Nov 15, 1971.

Directed by Earl Bellamy.

Written by George Tibbles.

Notable cast/guest names in this episode include Fred MacMurray, Don Grady, Stanley Livingston, Barry Livingston.

This page includes 1 official still(s) (when available) plus legal availability links.

Looking for “watch My Three Sons Season 12 Episode 9 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Barbara's natural enthusiasm bubbles over into an embarrassing evening for Steve and some of his business associates. Barbara explains to Steve that adrenalin gets her going in competition, and she is apprehensive when he is asked to play in his work's bowling team for fear she will make him lose concentration.