Jason Walton stretches himself to the breaking point by working too hard to prove his self-worth.
Mary brings home a pregnant friend, Matilda, whose attitudes towards marriage upset Tom. She learns the joys of parenthood, and paternal Tom helps deliver the baby.
Young Ben Walton falls in love with pretty Sally Ann Harper, but his secret campaign to win her affections fails when he inadvertently sends her into the arms of his brother Jason.
Felix tries to find common interests with his daughter, but her interests are closer to Oscar's.
Singer-composer Paul Williams is the special guest star in this episode written especially for him. Felix Unger's daughter has a crush on Williams and runs away from home to follow him wherever he appears.
