Tim Sutherland, Malin Holst and Simon Richardson investigate the discovery of barrels containing well-preserved swords on the site of the final battle of the Hundred Years War. These weapons date back to 1453's Battle of Castillon.

These Norse-Gaelic clans settled in medieval Ireland and battled Norman invaders. Artefacts and bones from the era shed light on the Galloglass.

The team examines skulls from the site of the 1499 battle that saw Switzerland win its independence from the Holy Roman Empire, and which changed the nature of medieval warfare.