A mysterious British nanny with psychic powers arrives at the Everett home to take care of the widwed professor's three children.

Everyone pooh-poohs the imaginary beastie that's giving Prudence nightmares. But Nanny, true pixie that she is, maps inventive strategems to trap the thing.

Prudence wants to learn to read, and Butch is feeling rejected. Nanny's solution: a typewriter that leaves messages for Prudence--and a scheme with a message for Dad.

Everett invites a lady psychologist home to dinner, unmindful of how she might react to his children's--and Nanny's--flights of fancy.

With his dad's beat-up old telescope, some amazing beginner's luck and Nanny's mysterious touch, Butch makes an astronomical discovery that creates a hubbub in the scientific world.

It's positively weird. A series of mishaps stops the Everetts as they go their separate ways on a Saturday. Nanny, it seems, was thinking of a family picnic....

The professor stands bemused and amazed at Nanny's solution to the second car problem: a 1930 Model A that will require a miracle to be run--even by Nanny.

A grumpy zoologist has Nanny arrested for spiriting three ducklings out of a public park. Neither the grump nor the presiding judge is prepared for Nanny's defense ploy.

Waldo finds a dinosaur bone and buries it in Nanny's garden.

The city's street widening project requires that the tree containing the children's tree house be cut down.

The family is upset when the professor admits that his potential new job will require moving to a new house.

The professor is afraid of seeing an old girlfriend, and Prudence is afraid of blowing up a balloon.

Nanny says that the stone she gives Hal will grant him three wishes.

The entire neighborhood is waking up to the noise of Prudence's pet rooster.