Description -- Rob & Dave and Robert & Lynzey failed to impress the judges at the Pub Crawl .
Judges have to compete against each other in a Sudden Death Cook - Off , where one team will be eliminated .
Description -- Rob & Dave and Robert & Lynzey failed to impress the judges at the Pub Crawl , so they have to compete against each other in a Sudden Death Cook - Off , where one team will be eliminated .