Five novice smiths must earn their way into the competition because one smith will be sent home before the forge lights up; the two left standing must re-create a 16th-century weapon known as the War Golok.

The bladesmiths begin on a farm where they must harvest steel from farming tools, then use coal forges to make their signature blades with a hidden lanyard hole; the two remaining smiths must recreate the Schiavona.

The smiths must forge a signature blade out of a 50-caliber flintlock pistol; despite giving it their best shot, it becomes a struggle to turn a gun into a blade and after two grueling rounds, two smiths get sent barreling towards elimination.

Smiths must forge functional friction folders and find the critical junction where skill meets resiliency; two finalists must recreate a Japanese trident called the Jumonji Yari, a weapon of unparalleled strength.

Parts from a salvaged cannon are used to make signature blades, and in the end, two smiths re-create the North African Kabyle flyssa in a final round, which will determine whose blade launches them to becoming the next champion

Four master smiths compete alongside their apprentices to forge an iconic weapon of warfare: the trench knife; each team must work together, tagging in and out every half hour, with only one smith allowed to touch the knife at a time.

Four bladesmiths must kick their skills into gear when they’re tasked with forging blades out of steel from a chain and a sprocket, but only two will secure a spot in the final round, where they have five days 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. In a challenge where symmetry and precision can make or break a blade, two smiths produce knives that survive J.'s merciless tests. In the final round, they have five days to forge a fearsome pole weapon–the Zande Spear.

Four bladesmiths test their mettle in a rock quarry, where they're tasked with making blades using only harvested steel and coal forges. Over the course of two intense rounds, the smiths show their true grit constructing a blade while fighting the elements. After brutal tests designed to chip away at the competitors' resolve, only two smiths advance to the final round. Back at their home forges, they must recreate one of the most dangerous folding weapons in history — the Spanish Navaja.

The pressure is on as the Smiths are tasked with forging Dave Baker’s favorite blade, the Scottish Dirk. Can they master the difficult design of this weapon, and live up to the high expectations of their expert judge? With a sharp edge over the competition, two smiths head home for the final round to recreate the German Halberd, a medieval era triple threat. Which smith will stake their claim as Forged In Fire Champion and hook in the $10,000 prize?

The smiths are forced to harvest steel from motorcycles to forge blades in their signature style, but things don't go according to plan; and after an intense race to the finish, the final two competitors have only five days to recreate 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. After two grueling rounds of competition filled with frustration and a medical emergency, the final two smiths advance and head back to their home forges to recreate another military favorite, the M1917 Naval Cutlass. Which veteran has the mettle to drive to glory and earn the rank of Forged in Fire Champion?

Four bladesmiths are pushed to their limits when they each must forge a signature blade from small springs of steel. Wonky welds and broken billets cause major setbacks that must be corrected before the time runs out. Ultimately, two smiths manage to turn their setbacks into comebacks to secure a spot in the final round where they must recreate the deadly Horseman's Axe. Which smith will join the ranks of Forged In Fire champions and return home with the $10,000 prize?

Four bladesmiths must figure out how to hack it when they are tasked with crafting a hatchet from pieces of odd shaped steel. After several forging failures, parameter mishaps, and intense conditions -- only two smiths head back to their home forges where they must recreate the deadly Maasai Lion Spear. Who will come out roaring and leave with $10,000 and the pride of becoming a Forged in Fire Champion?

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. After two rounds, only two smiths survive the chopping block and are sent back to their home forges to recreate a beautiful, but deadly Indonesian sword — the Kelewang. A final round of testing proves that victory lies at the junction between form and function.

The bladesmiths are forced to make canister Damascus using nuts and bolts, and the twists and turns of the challenge may be more than they can handle. Ultimately, two smiths avoid getting canned and move on to the final round where they must recreate a pair of deadly Indian Bagh Nakh weapons.

Four blade smiths must forge a Marine K-Bar all-purpose knife from multiple small blocks of steel. Ultimately, two smiths manage to reach the final round where they must recreate the iconic Glaive Guisarme polearm.

Four smiths must forge a multipurpose weapon from old rescue tools; after narrowly escaping elimination, two smiths head back to their home forges to recreate a unique utilitarian tool, the Russian Pioneer Sword.

Four bladesmiths are tasked with forging a signature blade from a bicycle. After major setbacks and time-consuming failures, each smith is pushed to their limit as they race to the finish before the clock hits zero. Ultimately, two smiths advance and are shocked to learn that they must recreate an ancient weapon, the Wind and Fire Wheels.

Four bladesmiths are tasked with forging friction folders from a huge steel coil; in the final round, the two remaining smiths head back to their home forges to create a blade that requires both precision and detail: the French smallsword.

The bladesmiths must forge a signature blade from W2 and a giant industrial-sized nut. Then, they face two unforgiving strength tests. Ultimately, only two smiths advance and head back to their home forges to recreate the Celtic Anthropomorphic Sword, an iconic ancient iron weapon.

The bladesmiths are tasked with creating their signature blade out of a massive ball bearing. Ultimately, two smiths return to their home forges to recreate the kilij, a lethal saber from the Ottoman Empire.

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, which leaves some scrambling to the end. After a second smith falters during testing, the two remaining smiths return to their home forges to create the ultimate wilderness weapon: the German sawback hunting sword

In a grueling Forged In Fire first, four bladesmiths must forge not just one, but three knives from railroad spikes in only three hours. Time management is essential for hammering out three functional knives that can withstand a brutal round of testing. After two smith’s knives go off the rails, the remaining two competitors return home to recreate the iconic Medieval Arming Sword. Which smith will be knighted the Forged In Fire Champion and take home the $10,000 prize?

Four bladesmiths must forge a fully functional serrated knife using steel from hand scissors; the remaining two competitors return to their home forges to create a unique and challenging weapon from history: the Sengese.