S4 E1 • Judges Pick

The judges pick past bladesmiths to represent them; first, the smiths must use steel from N.Y.C. streets to forge signature blades. In the final round, the competitors have five days to forge a sword that originated in West Africa, the Ida.

Première diffusion : 11 avril 2017

S4 E2 • Deer Horn Knives

Four bladesmiths tee up for a never-before seen challenge, harvesting steel from a vintage golf club to forge signature blades. In the final round, the remaining smiths must forge a pair of iconic double bladed weapons with two times the edge.

Première diffusion : 11 avril 2017

S4 E3 • The Katzbalger

For the first time ever, the competitors are challenged with creating not one, but two blades in the first round. After a grueling second round, the two remaining smiths have just five days to create an iconic 15th century combat sword–the Katzbalger.

Première diffusion : 18 avril 2017

S4 E4 • Makraka

Four bladesmiths face a new twist in the first round when they learn they can’t forge any blade in their own style, they must forge a karambit, a curved knife that resembles a claw. The final two competitors have five days to forge one of the deadliest weapons in African history–the Makraka.

Première diffusion : 25 avril 2017

S4 E5 • Fans' Choice

Chosen by fans, four bladesmiths return for a second shot at victory. The smiths must use their best forging techniques to make a signature blade using barbed wire; the final two smiths craft a historical Filipino weapon of war, the Panabas.

Première diffusion : 2 mai 2017

S4 E6 • Akrafena

Bladesmiths are tasked with forging a Kukri, the signature blade of master smith and judge, Jason Knight. After two rounds of mishaps and mischief, two smiths forge ahead in the final challenge to reproduce a distinctive African sword, the Akrafena.

Première diffusion : 9 mai 2017

S4 E7 • Talwar

A new group of competitors face the unknown when they are tasked with using odd shapes of mystery steel to forge a blade in their signature style. All four smiths fight to the finish amidst painful injuries and setbacks, but only two make it through to the final round. With just five days to recreate the sacred but lethal Talwar sword, which smith will defy all odds to claim the title of Forged In Fire Champion and $10,000 prize?

Première diffusion : 16 mai 2017

S4 E8 • The Cinquedea

Four bladesmiths are welcomed to the forge with a curveball–they must utilize questionable steel from mining tools to forge a blade in their signature style. Ultimately, two smiths survive to forge an intricately designed and deadly Italian sword–the Cinquedea.

Première diffusion : 23 mai 2017

S4 E9 • The Charay

The competitors must demonstrate edged-weapon mastery when they are tasked with turning salvaged junkyard steel into a weapon. Two forge ahead to the final round to recreate the legendary Charay sword.

Première diffusion : 6 juin 2017

S4 E10 • Sword Breaker Redemption

Four competitors return to the forge for a second chance; they must forge their signature blades using recycled steel from a jackhammer. Then, the finalists must recreate a distinctive 16th-century blade called the Sword Breaker.

Première diffusion : 13 juin 2017

S4 E11 • Master & Apprentice

Masters compete alongside their apprentices as they forge a cleaver using the jellyroll technique. Finalists craft the Nzappa Zap from the Congo.

Première diffusion : 11 juillet 2017

S4 E12 • Ngombe Ngulu

Four blade smiths enter the forge and are given the twisted challenge of having to forge blades from a giant elevator cable. Which smiths will unravel after two challenges and a brutal round of testing? Only two will return home to recreate the African Ngombe Ngulu, known as the executions sword. In the final round the smiths are neck and neck in the testing. Who will keep their head and be crowned the Forged in Fire Champion and the winner of 10,000 dollars?

Première diffusion : 18 juillet 2017

S4 E13 • The Shamshir

Staying a step ahead will be the key to success as four competing bladesmiths are tasked with forging a bowie that will require a d-guard in the 2nd round. But even after strategically calculating each move to set themselves up for a win, only two manage to make it through to the final round where they must recreate a deadly sabre called the Shamshir. Which smith will outmaneuver their opponent with the weapon-making wits of a true Forged In Fire Champion?

Première diffusion : 25 juillet 2017

S4 E14 • The Kachin Dao

This competition isn't smooth sailing as the four bladesmiths must use steel from old nautical equipment to forge weld their signature blade, while being forced to do it using a metal inlay technique. After two turbulent rounds, two smiths propel to the final round where they have just five days to forge the Kachin Dao, a deadly headhunting sword. It's sink or swim as only one can rise above the tide to be named the Forged in Fire Champion.

Première diffusion : 1 août 2017

S4 E15 • The Gladiators' Scissor

With a variety of steels to choose from, the smiths are forced to create a canister Damascus billet from which they must forge a dagger; only two enter the final round where they must recreate an ancient Roman weapon known as the Scissor.

Première diffusion : 8 août 2017

S4 E16 • The Kampilan

Four bladesmiths head to a scrap yard to create their signature blades using harvested metal and a coal forge; in the final round, the smiths must recreate a fearsome battle weapon known as the kampilan.

Première diffusion : 22 août 2017

S4 E17 • The Kpinga

The bladesmiths find the odds stacked against them when they are forced to layer a complex Damascus pattern into their signature style blade. Broken blades and tears fall throughout two challenges and an unforgiving round of testing. In the final round, two smiths are locked in a dead heat to recreate a three-bladed African throwing knife called the Kpinga. Only one will stick the win and be crowned Forged in Fire Champion.

Première diffusion : 29 août 2017

S4 E18 • The Yatagan

The smiths are tasked with turning the rusted steel of a 1971 Mercury Cougar into their signature blade in just three hours. Two competitors create an elite military weapon known as the Yatagan.

Première diffusion : 12 septembre 2017

S4 E19 • International Championship / The Spadroon

Four of the top bladesmiths from around the globe compete in the first-ever world championship. With national pride on the line, each smith must put their blood, sweat, and fire into forging a blade in their signature style. Frustration runs rampant in the forge as pressure mounts, and two smiths are forced to return home empty-handed. The finalists must recreate the Spadroon in their last effort to bring home the title.

Première diffusion : 3 octobre 2017

S4 E20 • Tabar-Shishpar

Four bladesmiths have a monkey wrench thrown into the competition, literally, when they are asked to forge blades in their signature style from pipe wrenches. Ultimately only two competitors' pipe dreams stay alive as they advance to the final round where they must recreate a rare axe-mace hybrid called the tabar-shishpar.

Première diffusion : 10 octobre 2017

S4 E21 • Ultimate Champions Edition

Five former champs return for a competition that involves forging their signature blades from a miniature cube in the canister damascus challenge. Later, the last two contestants must re-create the Tai Chi sword in their final fight to reign supreme.

Première diffusion : 17 octobre 2017

S4 E22 • Knights Templar

Four smiths forge together rusty chain mail and quality steel to make Knights Templar Crusader daggers in round one. Only two smiths survive elimination and travel to their home forges on a five-day quest to recreate a Knights Templar Crusader sword.

Première diffusion : 24 octobre 2017

S4 E23 • Viking Edition

Four brave competitors march into a dry moat where they must resurrect old swords and forge them into a Viking Seax, using the time-tested coal forge. With hammers in full swing and multiple obstacles in their path, the smiths exhaust every ounce of their strength to produce weapons fit to withstand any test imaginable. In the final challenge, the remaining two smiths voyage home to recreate a pair of deadly Viking War Axes in their final fight for the coveted title of Forged In Fire champion.

Première diffusion : 31 octobre 2017

S4 E24 • The Rhomphaia

Four bladesmiths are taken to the limit when they have to make a custom blade from small steel springs. Great setbacks arise with the welds and the bars, but they must overcome them before the time runs out. After two amazing rounds of competition, only two will go to the final round where they will have only five days to create a legendary weapon; the medieval war axe. But only one will reach the champion's throne of forged in fire.

Première diffusion : 7 novembre 2017

S4 E25 • The Rookies Edition

Four bladesmiths are taken to the limit when they have to make a custom blade from small steel springs. Great setbacks arise with the welds and the bars, but they must overcome them before the time runs out. After two amazing rounds of competition, only two will go to the final round where they will have only five days to create a legendary weapon; the medieval war axe. But only one will reach the champion's throne of forged in fire.

Première diffusion : 13 mars 2018

S4 E26 • The Schiavona

Première diffusion : 20 mars 2018