Three's Company (1977)

S1E3 Roper's Niece

Title: Roper's Niece Plot: Mr. Roper arranges a date for Jack with his niece, who reveals herself to be quite forward. As Jack navigates this unexpected encounter, he soon learns that Mr. Roper's true intention is to "straighten him out." If Jack does end up changing, he risks being kicked out of the apartment.