Father Knows Best Season 2 Episode 23 Kathy, The Indian Giver

Kathy is much younger than Bud and Betty. Though they love her they often do want to play with her. Kathy is tired of being left alone with her dolls to play. She wants to have a real baby sister to play with. Her best friend Susi is tired of dealing with a real baby sister. The girls decide to trade. The Andersons are quite surprised to come home to a baby in the house. When the go to return the child, Kathy insists that they can not because of a lesson the family has taught her: a trade is a trade and can not be canceled unless both parties agree.