Ben’s feeling guilty after accepting $300 from Gary to ask Xanthe to the formal. But he goes ahead with his plan, using the money to buy a gift for Karl and Susan, and asking Xanthe to be his date. She’s thrilled, and goes into planning overdrive, determined to make the formal the best night of her life. The Kennedys feel bad that Ben felt the need to buy them a present, and the ensuing debate... (thetvdb.com)