Bladesmiths have to forge one of the most iconic weapons from history, the Japanese Katana.

The finalists go to their home forges to create an ancient Indian Chakram.

Bladesmiths create weapon from train spring; one forges Viking Axe.

For this week's challenge the competitors create their signature blade.

The two remaining bladesmiths head home with only five days to forge the legendary Crusader Sword.

The forge heats up as the bladesmiths must use an age-old technique.

Four bladesmiths heat, hammer and grind their way through a first round challenge.

The bladesmiths must forge a signature weapon using everyday steel objects.