Randy Whipple

A psychologist suggests separating the twins in response to concerns that they only spend time with each other.

Uncle Bill is forced to explain where babies come from when one of their neighbours has a baby, and the children start to ask questions.

An ex-convict asks for Bill's help in finding new employment. The twins are frightened of him, but Cissy thinks she can help him.

A tidal wave is predicted to hit New York, and the twins are convinced it will come to pass, despite everyone else telling them otherwise.

French takes a two-week holiday, and the children must join him when Bill is called to work in South America.

When Jody's Bolivian pen pal comes to visit him in New York, Jody grows jealous of the attention the others show his friend.