PrimeWire

You can now watch the entire My Three Sons Season 4 Episode 20 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.

Bub is appointed chaperone to Robbie and his friends when they decide to have a costume party. Robbie feels it will dampen the party as Bub doesn't see eye to eye with them on the little matter of correct behaviour.