My Three Sons

Season 11, Episode 12

Episode Title: The Power of Suggestion

Air Date: 1970-12-12

Overview:

Against his classmate's better judgement, Ernie uses the unwitting Douglas household as guinea pigs for an experiment assigned by his psychology teacher. He cuts inches off Uncle Charley's cane to make him think he is growing taller. Ernie soon finds his father Steve is a little less gullible.