*''Treehouse of Horror XIII'': Springfield becomes a [[Gun-free zone]] thanks to Lisa's anti-gun activism. As a result of it, Springfield gets terrorized by Wild West outlaws and [[Kaiser Wilhelm II]], who have all risen from the dead. Homer gets back into the past to prevent [[Gun control]] and defeat the villains in the present. | *''Treehouse of Horror XIII'': Springfield becomes a [[Gun-free zone]] thanks to Lisa's anti-gun activism. As a result of it, Springfield gets terrorized by Wild West outlaws and [[Kaiser Wilhelm II]], who have all risen from the dead. Homer gets back into the past to prevent [[Gun control]] and defeat the villains in the present. |