Lois sees Chris and his friends watching a pornographic movie. Chris says that their school does not have a class for sex education. She becomes his school's teacher for sex education. She teaches her students about safe ways to do premarital sex (sex before marriage). On the next day, many parents are angry at her. Lois gets fired for teaching about safe sex. A reverend becomes the new sex education teacher. He talks about sexual abstinence (not doing sex). In the class, Meg gets a boyfriend named Doug. While this happens, One of Stewie's teeth falls out of his mouth. Brian tells him about the tooth fairy. Stewie fears that the tooth fairy will take his tooth. He tries to use Herbert's teeth, but they are not real. He takes the tooth of a girl with an eating disorder. Brian thinks that Stewie is being very crazy, so he tells Stewie that the tooth fairy is not real. However, a man named T. Fairy takes the tooth from the girl with the eating disorder. 