Sex Aversion Therapy Camp is where Steve is sent after being caught holding hands with Shannon in "My Purity Ball and Chain".
When Steve is forcibly volunteered to participate in an abstinence program at school, Shannon tells him afterwards that she enjoyed his performance and gives him a group flier. When Stan discovers the flier, he believes it to be his ticket out of giving a sex talk to Steve in addition to getting to wear a sword with the other fathers. When Steve and Shannon start getting too close to each other, Stan tries to keep them apart. But when they are discovered holding hands under a fallen banner by Michael, Shannon's father, the other fathers threaten to kick the pair out unless Steve attends Sex Aversion Therapy Camp.
At the camp, Steve is subjected to images of loving couples interspersed with closeups of herpes sores and Axl Rose until the very sight of girls makes him nauseous.