This is the moment when the countdown to the Second World War began. A war that wouldn't have happened without the decisions and actions taken by Hitler in this crucial period.

To understand how it happened we need to understand him. This series tells the story of these 18 months, from 12 March 1938 to 3 September 1939, in a radical new way – through the eyes of Hitler himself. A team of leading, young historians explore what Hitler was doing day by day, week by week, revealing how this bully, gambler and arch manipulator brought the world to the edge of destruction.