Bart becomes convinced that his new neighbor, Walt, is his archenemy, Sideshow Bob, disguised and back for revenge. But when Marge tries to convince Bart otherwise by taking him to visit the state penitentiary, a disturbing truth is revealed.
| Creator | Matt Groening |
|---|---|
| Actor | Dan Castellaneta, Julie Kavner, Nancy Cartwright |
| Country | United States of America |
| Production | Gracie Films |