Animated comedy about family life. Peter helps Bill Clinton with his flat tyre and they soon become friends, spending a lot of time together. Lois begins to believe that Bill is a bad influence on Peter, but when she confronts Bill they end up having sex. Peter, upset that his wife would do this, tries to get back at Lois by having an affair of his own, but soon realises that he loves her too much to do so. Meanwhile, Lois and Stewie try to potty-train Brian.