"Prick Up Your Ears" is the sixth episode of the fifth season of Family Guy. It originally aired on Fox in the United States on November 19, 2006. In this episode, Lois discovers that Chris' school has removed the sex education program due to budget cuts and decides to bring the class back by becoming the teacher. She gets fired a short time later for teaching the students about safe sex rather than abstinence. Meanwhile, Stewie attempts to find and kill the Tooth Fairy after being told "horror" stories by Brian.