Bewitched (1964)

S6E24 The Generation Zap

In a whimsical twist, Endora casts a spell that transforms Dusty Harrison, a level-headed client’s daughter, into an uncontrollable flirt infatuated with Darrin. Samantha, feeling threatened by Dusty’s new persona, grows increasingly jealous, leading Mr. Harrison to terminate his account with Darrin’s agency. Darrin's anger is directed at Endora, but his feelings shift when it’s revealed that Mr. Harrison has been engaging in embezzlement.