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.

Hal believes he is old enough to watch his siblings and is put to the test.

Butch tries to earn enough money to buy an old record player.

Nanny and the kids help out an old puppeteer.

Prudence and her new teacher both start their first day of school.

Butch and Hal have a fight and demand to have separate bedrooms

Nanny's Uncle Alfred comes to visit her. Of course every one knows actor John Mills (Uncle Alfred) is series star Miss Juliet Mills daddy.

An Italian director is invited to dinner at the Everett house, but can't leave as his supper makes him ill.

Nanny takes some night school courses and falls for that school Professor (Bert Convy)

Two of Nanny's aunts (Ida Lupino & Marjorie Bennett) arrive for a visit by BALLOON

A 12 year-old genius comes for a visit causing jealousy in Hal

This episode begins with the children coming home from school to find Nanny in bed with the ""dreaded lergys"". The children are preparing to attend Francine's costume party. When Butch goes into Nanny's trunk to get out some make-up he sees a passport with Nanny's photo giving he date of birth as April 18, 1864, making her 106 years old. Since the 18th is the following day the children prepare to throw her party. The professor keeps trying to get Nanny to reveal her real age. She mentions how she is the image of her great-aunt who lived to a very advanced age. Just as the Professor thinks he has solved the passport riddle Nanny mentions her great-aunt's was a Libra (October).

Butch enters a fishing contest in hopes that he can buy Nanny a present.

To raise money to restore a park fountain, Nanny and the children put on a show.

The Professor gets a love note from one of his students

Hal falls madly for Bunny, a swinging chick who comes on to him during a Sadie Hawkins dance. ""You look just like Robert Redford!"" exclaims Bunny. Hal is smitten by Bunny's feminine wiles. After Bunny imparts that she is fifteen years old, thirteen year old Hal tries to impress her by claiming to be sixteen. Complications ensue the next day, when the assertive Bunny calls Hal and asks him to pick her up for the movies. Flustered Hal blurts out that he will be right over, in spite of the fact that he is too young to drive. Nanny decides to bail out Hal, and she gives him a ride to pick up Bunny. Bunny is confused, and perhaps suspicious as to why Hal isn't driving, but Nanny explains she is driving because that ""she loves to drive - even in Los Angeles."" While at the movies, Francine, Hal's thirteen year old next door neighbor sits down in front of Bunny and Hal. Francine, who has a crush on Hal, expresses surprise to see Hal with a high school girl. Bunny reacts icily to Francine

Prudence tries to get her seeds to grow faster while the Professor upsets his new girl friend when he doesn't try to save a dying tree.

The Professor tries to get out of playing football with his friends.

Nanny's Uncle Horace (Ray Bolger) visits from the South Seas to perform a rain dance in order to cure a drought.

Nanny's pychic aunt (Elsa Lanchester) predicts Nanny will be menaced by a man with a mustache.

Nanny's fiance arrives to claim her hand in marriage. The marriage had been arranged by their families on the day Nanny was born. They ask the Professor if he will give the bride away. The children and the Professor are upset by the thought of losing Nanny. She tries on her great-great-grandmother's wedding dress. Along with the dress is a note written by her mother which makes it clear the decesion to marry ""Chumley"" must be her's and her's alone. Nanny decides she's not rady to leave the Everett household.

Butch, thinking he is a jinx, is given a good luck charm from Nanny's Aunt Henrietta (Elsa Lanchester)

Nanny is accused of being a witch. (30 years later actress Juliet Mills will portray on witch on the daytime drama Passions)

The Professors RICH brother (Robert Sterling) donates two million dollars to his brothers college.

Aunt Henrietta (Elsa Lanchester) believes there is a ghost in the house because the furniture is disarranged every night.

Hal enters a golf tournement using strange clubs given to him by Nanny

Nanny and Hal help the Professor keep a basketball player from failing math.

Hal tries to visit his uncle, but doesn't quite make it.

Nanny trades in her old car ""Arabella"" for a new one

Prudence, being ignored by her brothers, becomes attached to Nanny's old doll.