Stanley Livingston's real-life brother, Barry Livingston, joins the cast as Ernie, a foster child living with a family down the street. The two boys go off on an adventure to find a treasure chest.
Did You Know?
This was Barry Livingston
's first appearance as Ernie. Of course, he would later become adopted by Steve and become the new third son after Tim Considine
left the show. See more
References My Friend Irma
Theme from My Three Sons
Written and performed by Frank De Vol See more