WWI's Tunnels of Death: The Big Dig

Two-part documentary following World War I's biggest archaeological dig, taking place at Messines in Belgium, uncovering some of the best-preserved trenches, bunkers and tunnels ever discovered on the Western Front and revealing the realities of trench warfare, a Christmas football match and poison gas.

• John Hayes FisherDirector

• Alexandra ChurchillHerself
• Peter DoyleHimself
• Paul ReedHimself
• Benedict CumberbatchNarrator (Voice)