Year four of the ""witch-com"" starts with a bang when Samantha is the chosen one to be the Queen of all Witches. After a series of happenings in the house, Darrin escapes to the safety and sanity of his favorite bar.

Larry wants Samantha to convince his new client, Mr. Baker, to update his firm. In order to do that, Samantha leads Baker to believe that the ghost of his Uncle Willie came back to tell him to do something about his company's image.

Uncle Arthur is supposed to make napoleons for dessert, but ends up bringing in Napoleon Bonaparte instead! Arthur cannot remember how to send him back and Larry wants to use Napoleon to advertise detergent. Unknowingly, Samantha says the right words and he disappears back to his own time.

A year after Aunt Clara passed on, Esmerelda carries on her memory by being a bumbling witch as well. Esmerelda sneezes up a whole lot of trouble when Darrin has a prospective client over to look at ad layouts. Then, when she gets nervous, she fades out. Darrin uses Esmerelda's magical snafus to good use when he presents a unicorn as a design for the client's car company. Samantha tells Darrin that Esmerelda will only visit when she is called.

Maurice gives Darrin a magic watch, giving him magical powers, much to the dismay of Samantha.

Darrin has a ball with his newfound magical powers. With his powers, Darrin creates a stellar account with his client, Bliss, jr. and shows Larry his powers. It isn't until Darrin meets his old friend, Dave, and decides to give up his magic.

Endora puts a spell on Darrin, making him agreeable to everything and everyone. Of course, this results in him getting fired from McMann and Tate. Samantha finds out about the spell and tells her mother to take it off.

Uncle Arthur's new flame, Aretha, is not happy about his practical jokes. To please her, his practical jokes are installed in the Stephens' home where all hell breaks loose. Samantha tells Arthur that Aretha isn't worth putting her and Darrin through a lot of trouble and he puts their house back to normal.

Samantha has lost her powers again and it seems like Maurice's magic is gone as well when he visits her. Dr. Bombay discovers that no one should kiss Samantha or they would lose their powers. So, until his powers come back, Maurice lives like a mortal. Maurice then helps out Darrin by winning a chili account for him. And that's when Samantha and Maurice get their powers back respectively.

Darrin needs help on an advertising campaign and Samantha offers her help using her own mind. Darrin thinks that she used witchcraft for the ideas she gave him and decides not to use her ideas. Darrin comes up with some ideas of his own and are rejected by the client Mr. Benson. He thinks witchcraft was used in the decision, too. Call it deja vu when Darrin shows Benson Sam's ideas ande Benson rejects them as well. Darrin feels like a total jackass and apologizes to Samantha, coming up with a stellar slogan for Benson.