The War of Art (The Simpsons) Lisa's new pet guinea pig destroys the Simpsons' living room art, Marge falls in love with a beautiful painting at the Van Houtens' yard sale, which Homer purchases for $20. Marge removes the frame and finds that the painting bears the signature of Johan Oldenveldt, an artist of some renown. An art appraiser estimates that it could bring between $80,000 and $100,000 at auction. Marge wants to share the sale proceeds with the Van Houtens, but Homer disagrees, saying that the Simpsons should look after their own financial security first and keep the sale a secret from them. Milhouse eavesdrops
The Simpsons Simpsons" has had crossovers with four other shows. In the episode "A Star Is Burns", Marge invites Jay Sherman, the main character of "The Critic", to be a judge for a film festival in Springfield. Matt Groening had his name removed from the episode since he had no involvement with "The Critic". "South Park" later paid homage to "The Simpsons" with the episode "Simpsons Already Did It". In "Simpsorama", the Planet Express crew from "Futurama" come to Springfield in the present to prevent the Simpsons from destroying the future. In the "Family Guy" episode "The Simpsons Guy", the Griffins visit