Family Guy Season 4, Episode 24, "Peterotica," follows Peter Griffin's chaotic career as an erotic novelist and the subsequent financial ruin of Carter Pewterschmidt. The episode also features a subplot where Stewie trains for the Olympics, ending in a painful, comedic accident. To watch this episode legally, stream it on Hulu or Disney+, or purchase it through platforms like Apple TV and Amazon. "Family Guy" Peterotica (TV Episode 2006) - IMDb