American Dad! Season 15 Episode 11 - My Purity Ball and Chain Episode Title:My Purity Ball and Chain.Episode Description:Francine orders Stan to give Steve the sex talk, but Stan (who, despite being able to give Steve the sex talk in "A Smith in the Hand", is too afraid to do it in this episode because of his father traumatizing him as a child) decides to put him in a teen abstinence program where teenage girls pledge their virginity to their fathers. Meanwhile, Klaus, Jeff, Roger, and Hayley decide to build a water slide for the backyard pool after having fun at a real water slide near the lake, but when a guy named Kyle tries it out and ends up killed, the four must cover up the crime before Detective Turlington solves the case.