The bladesmiths are forced to achieve one of six Damascus patterns for their first round blade, and they must choose wisely.

Five novice smiths must earn their way into the competition before the first forge is ever lit. After the four remaining smiths go through two intense rounds, only two remain for the final round.

For the first time ever, the bladesmiths begin on a farm where they harvest steel from farming tools, then must use coal forges to make their signature blades with a hidden lanyard hole.

The smiths get locked and loaded to forge a signature blade out of a 50-caliber flintlock pistol. Then, in the final round, the remaining competitors must recreate a lethal gladiator sword, the Sica.

Edged-weapon mastery is put to the test as four smiths must forge a functional friction folder. Ultimately, only two smiths make it to the final round where they must recreate a Japanese Jumonji Yari.

When a cannon is wheeled into the Forge, the bladesmiths are challenged to salvage its parts in order to make signature blades. Will the smiths blast their way through the competition or will the battering of tests break them?

The heat is doubled as four master smiths compete alongside their apprentices to forge an iconic weapon of warfare--the trench knife.

Four bladesmiths are tasked with forging blades out of steel from a chain and a sprocket. Only two will secure a spot in the final round, where they have to forge the iconic Karabela saber.

Four blade smiths find the devil is in the details when they must combine two or more steels to forge J. Nielson's favorite blade, a Damascus European dagger.

Four bladesmiths are tasked with making blades using only harvested steel and coal forges. After two rounds, the remaining two smiths must recreate a dangerous folding weapon -- the Spanish Navaja.

The pressure is on as four smiths are tasked with forging Dave Baker's favorite blade, the Scottish Dirk. Only two smiths advance to the final round where they must recreate the German Halberd.

The bladesmiths are forced to harvest steel from motorcycles to forge blades in their signature style. After two intense rounds, the final two competitors must re-create a giant Indian two-handed sword.

In a special military themed episode, four bladesmiths, all veterans of the U.S. Armed Forces, dive into the fray when they are tasked with forging a combat knife from an anti-tank hedgehog.

Four bladesmiths must forge a signature blade from small springs of steel. Ultimately, two smiths secure a spot in the final round where they must recreate the deadly Horseman's Axe.

Four bladesmiths are tasked with crafting a hatchet from pieces of odd shaped steel. Then, in the final round, the two remaining smiths must recreate the deadly Maasai Lion Spear.

The bladesmiths must make their signature blades out of only drill bits and a chunk of mild steel, but untwisting the bits and combining the two steels proves almost impossible.

The bladesmiths are forced to make canister Damascus using nuts and bolts. Ultimately, two smiths move on to the final round where they must recreate a pair of deadly Indian Bagh Nakh weapons.

Four smiths must forge the iconic KA-BAR military blade using only tiny cubes of W-1 steel. In the final round, the two remaining competitors must recreate the battle-tested Glaive Guisarme.

Four bladesmiths must forge a multipurpose weapon from old rescue tools. After narrowly escaping elimination, the remaining two smiths must recreate a unique utilitarian tool'the Russian Pioneer sword.

Four bladesmiths are tasked with forging a signature blade from a bicycle. The two smiths that advance to the final round must recreate an ancient, mysterious weapon called Wind and Fire Wheels.

Four bladesmiths are tasked with forging friction folders from a steel coil. In the final round, the two remaining smiths must create a blade that requires precision and detail: the French Smallsword.

Four bladesmiths are tasked with forging a signature blade from WW2 and a giant industrial-sized nut. Only two smiths make it to the final round where they must recreate the Celtic Anthropomorphic Sword.

Four bladesmiths must create their signature blade out of a massive ball bearing. In the final round, the two remaining smiths must recreate one of the Ottoman Empire's most lethal sabres: the Kilij.

Four bladesmiths are taken out of the forge and transported to the great outdoors where they struggle to forge a blade in the noonday sun. They must forage for outdoor materials and crank a coal forge.