Gene Blakely

Samantha and Darrin appear to be an ideally matched couple. Very much in love, they decide to marry. Darrin doesn't know that Samantha, is, of all things, a witch. On their wedding night, Samantha's mother, Endora, a witch, of course, visits her daughter. Regretting that her daughter has married a mortal, she is bent on breaking up the marriage. After pleading with her mother not to interfere, Samantha decides to tell her husband that he has unknowingly married a witch. To convince Darrin of her magic powers, Samantha performs a series of tricks. Darrin makes her promise never to practice her witchcraft again. Sheila, a former girl friend of Darrin's, invites the newlyweds to a dinner party. She makes every effort to embarrass Samantha before the guests. After enduring Sheila's snubs and insults, Samantha cannot resist evening the score. She employs her extraordinary powers to humiliate Sheila. Later, at home, Darrin rebukes his wife, but admits Sheila deserved the tricks played on her.

A child custody case turns deadly after a stack of gambling IOUs is used against Perry's client.

Learning that he is about to become a father, Darrin waits on Samantha hand and foot. Then Larry Tate convinces him that all women would make a career out of having a baby if you allowed them to. He gives Darrin a book on the subject which states that the more active the mother, the happier she will be, and the healthier the child. Darrin returns home completely convinced. Endora is infuriated when she hears Darrin ordering Samantha to do chores around the house.

When one of Bob's patients calls on Christmas Eve, Bob agrees to meet him in the office, only to be trapped there by a blizzard and a power failure.

The lack of a traffic signal at busy Morning Glory Circle makes it virtually impossible for the Stephens or their neighbors to cross without risking life and limb. Joe Harvey calls a meeting at his home to discuss plans for doing something about it. Darrin makes an ad for a mass rally at the school auditorium to force City Hall to put a traffic light on the corner. However, Samantha has trouble getting Endora to return the traffic signals she has collected. Endora even brings a London bobby to the Stephens' living room. The bobby, of course, has disappeared by the time Gladys Kravitz brings her husband to see him. At the rally, the Mayor tells his constituents a traffic light is unnecessary. However, using her witchcraft, Samantha has the Mayor and his limousine so tied up in a traffic jam that he is convinced a traffic signal is necessary. Endora, as a final touch, brings a modern traffic signal to the Stephens home for the victory celebration. Gladys sees it, but by the time she brings Abner, Samantha makes Endora cause it to vanish.