The Simpsons - Season 6 (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 (1994 ). The film stars Dan Castellaneta, Nancy Cartwright, Julie Kavner. After he breaks his leg and becomes confined to his room, Bart begins spying on the residents of Springfield with a telescope. He soon suspects that Ned Flanders has murdered his wife, and asks Lisa to help prove it.