Speed has become a decisive factor in warfare, and in this episode, a team of international experts use experiments to show the most significant weapons where speed made a difference. The chariot brings mobility to the battles of the ancient world, small handguns like Samuel Colt's revolver launch a new era of war and the weapon considered as the one symbol for asymmetric warfare is the sling. Will the future laser cannon change warfare with the speed of light?

Attacking the enemy in an ambush is a devastating advantage at war. The Ambush explores weapons that stayed undetected until their very strike revolutionized warfare. The caltrop brought down the cavalry when it made entire battlefields impassible. Being able to load and fire a rifle from a lying position made a huge difference during warfare. The insidious landmine weakens every leftover moral of the enemy's army. What if future soldiers' cover becomes invisibility?