 " Roads to Vegas " is the seventh episode of the series ' Road to .. hallmark which air through various seasons of the show . The episode was directed by Greg Colton , who previously directed the Road to ... episodes " Road to Germany " , " Road to the Multiverse " , and " Road to the North Pole " . It was written by Family Guy veteran Steve Callaghan . " Roads to Vegas " is Callaghan 's first writing credit for a Road to ... episode . 
