This season the family tries unsuccessfully to conserve energy; Laurie (Dey) poses as Keith's (Cassidy) date to make other girls jealous but the plan backfires; Danny (Bonaduce) wants to impress a girl by telling her rabbi father that the Partridges are Jewish and the whole family is invited to dinner; and Shirley (Jones) tries to hire a maid, but it's all in the family when her mother shows up to apply for the job.