 When Sabrina is disappointed that her aunts won t let her stay out late to see a famous rock band Violent Femmes, Hilda and Zelda decide to transform themselves into teenage chaperone s as a compromise. But they re the ones causing the trouble when "Hillary" clashes with a security guard and a high-school boy falls for "Zellery." After proving that even teenage aunts can be embarrassing, they apologize by giving Sabrina her very first flying lesson -- aboard a vacuum cleaner.