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.

When Butch decides to run for homeroom president, Nanny decides to give him a little help.

Professor is working on a computer program. Nanny takes the children in ""Arabella"", her car named after her Aunt. 3 boys laugh at Nanny and the children because of Nanny's car, calling it Yellow Arabella. The 3 boys hassle Butch and Hal about Arabella and they propose a race. Nanny laughs at the prospect of racing Arabella but says there is no race because old cars aren't to be raced, but to be loved for. After Nanny turns the boys challenge of a race down they ask their father who also says he agrees with Nanny. He suggests another way to have a race...using the computer program he has been working on. The bully boys father says his Buckingham will beat Arabella even through the computer race. The boys read all of their car information to the Professor who inputs the data into his computer. The Buckingham wins the computer data race and the Everett boys are disappointed. The family goes for a trip in Arabella and meet up with the Buckingham (magically of course!) along the way.

Nanny and the children explore a haunted house inhabited by an old actor.

Prudence wishes for a different part in a school play. The Professor must decide whether or not to hire an old professor or a young one.

Butch breaks his dad's lucky putter right before a big tournement.

Nanny and the family go camping!!!

Nanny receives a letter that makes her a little unhappy and the children try to cheer her up.

Nanny's automobile ""Arrabella"" radio only broadcasts shows from the 1930's

The Professor's new assistant is a bit of a feminist.

Hal and Butch work on a raft.

Butch's pen-pal, a runaway orphan from Canada, shows up at the Everett home.