Four Forged in Fire champions return for a chance to prove who among them is the best of the best in a challenge that leaves no room for error: a high carbon steel inlay. After two surprising rounds of competition, only two will move on.

Four former contestants return for a second shot at victory. Competition gets heated right away when they are forced to make their signature style blades with materials from a surprising source.

Four new contestants must choose wisely to craft a blade of their signature style from a pile of tools. The stakes are doubled when, for the first time, they must forge two swords in the final round.

Four bladesmiths must create a blade out of high carbon steel while also forging the hammer they'll use to make it. After an extraordinary round of testing, only two move on to the final round.

Four new bladesmiths step up to the challenge of forging blades using pieces of steel from some monstrous power tools. The final two must create a sacrificial sword from history.

Four bladesmiths are tasked with making a serrated blade out of only the tools from the table in front of them. Only two move on to the final round where they attempt to forge a Hunga Munga.

Four bladesmiths must use the steel from a suit of armor to create a signature blade. The two finalists must create a weapon historically used for both combat and hunting--the boar spear.

When a group of new bladesmiths enter the forge, they're met with a surprising challenge. They must grab the steel they'll use to make their blades from an imposing piece of construction equipment.

Four bladesmiths must salvage steel from a junkyard to create a signature blade using a hand-cranked coal forge. Then, the two finalists will have just five days to create a Dayak war sword, the Pandat.

Four new bladesmiths must forge a bayonet blade and engineer it to attach to a rifle. Then, the final two bladesmiths have five days at home forging the legendary African blade, the Zulu Iklwa.

In this episode, prior winners return to prove who among them is the best of the best by forging a blade using canoe damascus. With $10,000 and their reputation on the line, which smith will survive'

Four competitors must forge blades for friction folders from tiny cubes of steel. After hammering through the testing, two smiths will return home where they will forge a German Zweihander.

Four new bladesmiths face the unprecedented challenge of forging the barrel of a gun into a lethal knife.

Four bladesmiths must create a signature blade using a mystery technique. After a brutal round of testing, only two will return to their home forges where they will reproduce a Japanese Naginata.

Four bladesmiths must use high carbon steel to forge a hatchet. Only two can chop their way to the final round where they'll have just five days to create an ancient Indian weapon.

Four previously eliminated bladesmiths return to the forge for a shot at redemption, but they face a challenge that will make their climb to the top more difficult than they imagined.