The Simpsons - Season 18 (Also known as Gia Dinh Simpsons ) is a Animation Comedy film directed by James L. Brooks, Matt Groening, Sam Simon . It released on TV Series (2006 ). The film stars Dan Castellaneta, Nancy Cartwright, Julie Kavner. When Fat Tony has to take a time-out due to a whacking attempt, Homer and Bart take over the business.