The War of Art (The Simpsons) on the conversation from Bart's treehouse and tells his parents. The Van Houtens publicly shame the Simpsons for their secrecy, prompting a town-wide division of opinion. As the auction begins, Dawn, a former lover of Kirk's, arrives and claims that he took the painting from her. The auction is suspended until its ownership can be established. Kirk tells Homer that he bought the painting on the island of Isla Verde, home to an artists' community. Homer and Lisa travel to the café at which Kirk made the purchase in order to corroborate Kirk's account and the legality of Homer's purchase.
The Psychology of The Simpsons editors, the interviewer noted: "Get past the goofy cover, with its illustration of Homer’s beer- and TV-saturated brain, and you find analysis aimed at both TV viewers and students of psychology." The book also received positive mention in "The Times", where Andrew Billen wrote: "I can commend "D'Oh!: The Psychology of The Simpsons" and "Reading The Sopranos", since both shows are sturdy enough to support the intellectual studies." An article at "The Simpsons Archive" also wrote positively of the work: "The connection to the show and its events is solid and psychological points are illustrated using explanatory snippets from the