Where can I watch “My Three Sons” Season 12 Episode 18 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 18 Online

“Bad Day for Steve” — Watch "My Three Sons" Season 12 Episode 18 online in HD for free. Check streaming providers, cast, and episode details.

Feb 24, 1972 Season 12 Episode 18 TV-PG

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My Three Sons Season 12

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Where can I watch "Bad Day for Steve" online?

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Season 12 Episode 18 — Aired on Feb 24, 1972.

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 18 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Steve suddenly becomes accident-prone when his youngest son Ernie tries to discover by graph and observation how the moon's lunar phases affect people's behaviour.