Treehouse of Horror XXII
S23:E3A boulder traps Homer's arm when he takes a drive through a canyon; a spider bite paralyzes Homer; Flanders becomes a vigilante by night; Bart and Milhouse travel to a distant planet to obtain an extract.
A boulder traps Homer's arm when he takes a drive through a canyon; a spider bite paralyzes Homer; Flanders becomes a vigilante by night; Bart and Milhouse travel to a distant planet to obtain an extract.