It's 1945. The Volkswagen factory has been bombed and members of the staff have been arrested as war criminals. So how did the company turn around in just a few years and begin making Beetle cars that became a global sensation?

Big political and economic moves helped - but a British Army officer, Walt Disney and a New York ad agency also played pivotal roles in turning a car that Hitler had championed into the favourite ride of surfers, school teachers and hippies.