Wikipedia
"Peterotica" is the 24th episode from season four of the animated comedy series Family Guy. The episode was originally broadcast on April 23, 2006, and was written by Patrick Meighan and directed by Kurt Dumas. The title of the episode is a portmanteau of "Peter" and " Erotica".
The plot follows Peter's brief career writing erotic novels. After Peter asks Carter Pewterschmidt for publishing money, Carter is sued by a man who has a car accident while listening to an audiobook of one of Peter's novels; the settlement forces Carter into bankruptcy. Peter attempts to help Carter accept life as a middle-class citizen, then decides to work with Carter so they can both become wealthy, but gives up after multiple failed attempts. Carter soon gets his fortune back when his wife returns to him, and he resumes hating Peter. Meanwhile, Stewie attempts to train for the Olympics, despite discouraging comments from Brian.