S04E03 Blind Ambition
Quagmire gets caught spying on Lois in a public toilet and is forced to confront his sex addiction. In the course of his recovery he saves a woman's life and is hailed as a hero. Jealous of Quagmire's new fame, Peter hatches a plan to get into the world records book by swallowing the most nickels. Unfortunately, swallowing so many coins has a side effect that Peter hasn't counted on.