In June 1944, the combined British, Canadian and American armies make up the most powerful invasion force ever. They plan to establish a bridgehead in Normandy, storming beaches along a 50 mile front while airborne troops secure targets inland.

This edition examines the efforts of the British and Canadians who fought elite German divisions to capture the city of Caen, the key to breaking out of Normandy.

Examining the work of the American forces who launched a huge offensive to blast a gap in the German lines and break through to liberate France.

Field Marshal Montgomery's daring airborne plan to end the war by Christmas, which went a bridge too far at Arnhem.

As the Allies' advance stalls, the Canadians had to seize Hitler's island fortress to open up the vital port of Antwerp and keep the war moving.