Jill Foster

Darrin tells Endora he is sure Larry Tate wouldn't let him attend a wedding out of town with Samantha. Darrin is annoyed when Endora suggests changing Larry into an inanimate object. Later, after getting Larry's permission to take Samantha and Darrin to the wedding, Endora learns that Larry has been unable to find a teddy bear for his son, and brings one to his office. When Darrin, who is working up a campaign to sell honey for Mr. Harper, sees the toy, he is sure it is Larry.

For his birthday, Endora decides to make three of Darrin's wishes come true. Unaware of the gift, Darrin gets immediate elevator service in his office building, and they sees a bikini--clad beauty. An important client, Randolph Turgeon, insists on seeing Larry Tate, who is in Chicago. Wishing he were Larry for just one day, Darrin immediately turns into his boss. Turgeon introduces Darrin-Larry to his niece, Joyce, who wants a job with the agency.

After she briefly turns him into a pony for Tabitha, Darren threatens to leave if Endora doesn't go first. Though Samantha convinces her mother to make amends, instead of issuing a simple apology, Endora sets out to endear herself to Darren, knowing it will only irritate him further. So, after struggling with a picture of his mother-in-law that has magically appeared on his desk, Darren takes extreme measures to incinerate Endora's photo, only to have it follow him back to his office. When a prospective client notices the picture when he arrives to discuss moving his account to the agency, Darren is forced to claim he loves his mother-in-law. When Larry insists on inviting Mr. Grayson to the Stevens' home for dinner that night, Darren must agree to invite Endora, too. However, while disapproving of Larry's arguing with his own wife, Louise. Grayson is impressed by Darren's seemingly loving relationship with Endora and offers to set him up with an ad agency of his own. So, after a sudden headache forces their guest to leave early, Larry fires Darren, accusing him of purposely courting Grayson for himself. Hoping to save his job, Darren stays up all night working on a new campaign for Grayson. Yet, when the arrival of his office furniture at the house underscores the fact that he has really been fired, he decides to pursue Grayson's offer after all. However, when Samantha casts a spell to convince Grayson that the campaign was really Larry's idea, the account is offered to Darren's ex-boss. Finally, puzzled by the circumstances surrounding Grayson's decision, Larry gives Darren his old job back with the promise to make him a partner in the future.

George Barkley, assistant to the president of the Robbins Baby Food Company, has hired Charlie Leach to check on Samantha. Discovering Samantha is a witch, Leach threatens to expose her unless she makes him a rich man. Learning that Leach's report can cost Darrin the account, Samantha produces a new car for Leach and transforms his sleazy apartment into a luxurious home. Darrin is furious when he learns what Leach has been up to. He decides to tell Robbins and Barkley his company doesn't want their account. He goes to the meeting with Samantha.

Although she claims it's a bargain, Darrin wants Samantha to return an expensive coat. Determined to teach her son-in-law a lesson, Endora intones a spell, turning him into a prize miser. At the office, he criticizes his secretary for wasting office supplies. A conference with Mr. Bigelow, who prides himself on frugality, turns into a contest to cut costs, Larry complains that Darrin is losing money for the firm. At home Samantha gets a glimpse of the new Darrin when he turns out the lights and complains of household expenses. Samantha suddenly realizes her mother is responsible but can't reach her. Darrin invites the Bigelows and the Tates to an expensive meal at his home. When Larry reports Darrin's secretary has quit, he replies that the firm will save money. During the disastrous dinner, Samantha tries to reverse the spell. Her incantation goes awry and she succeeds only in turning Bigelow into a lavish spender. After an argument over a TV show for his company, Bigelow insists Darrin be removed from the account. Endora returns and removes Darrin's spell. He stuns Larry by a generous donation to Bigelow's favorite charity. Samantha triumphs over Endora when Darrin reveals he wanted her to return the coat because he had bought one for her as a surprise gift.

Embarrassed when he forgets a client's name, Darrin buys a book to improve his memory. Endora slyly casts a spell on his watch so that when he wears it, Darrin has a perfect memory. Ed Pennybaker, a client, prides himself on his vast knowledge, but Darrin tops him every time. When Darrin takes off his watch, he forgets things, but doesn't get the connection. Samantha invites the Pennybakers and the Tates to dinner. Ed displays his expertise on every subject, but Darrin easily outshines him. Samantha realizes that Darrin may antagonize an important client. She tries to stop him but fails.