Forged in Fire

Seven past competitors who fell short return to the forge for a second chance at glory and redemption. Many battle burnt metal, and one competitor will never even make it into the Forge.

In the second half of the Road to Redemption competition, four former smiths remain. They are tasked with crafting a Jambiya, an elegant and deadly Yemeni dagger.

Four bladesmiths honor American presidents by forging a replica of Teddy Roosevelt's Rough Rider Bowie. After a fiery round of tests, two smiths move on to recreate George Washington's Colichemarde.

Four bladesmiths are tasked with forging a chopper and must choose from a mammoth pile of metals and materials from all previous 99 episodes. The two finalists recreate the O-Katana.

Four smiths are tasked with using the dreaded canister method to forge a signature blade. After a colorful round of testing, the two finalists must recreate the Austro-Hungarian Hussar Saber.

Four bladesmiths plunge into the first round of competition where they must forge a blade using steel harvested from a vintage pinball machine. Only two smiths advance to build the Barbarian Sword.

Four bladesmiths must forge friction folders from a rusty pickup truck. The two smiths left recreate an exotic weapon wielded by ancient Southeast Asian warriors: the Javanese Kris.

Four bladesmiths are tasked with recreating an iconic fighting knife from the 20th century: the Fairbairn Sykes. Two smiths remain to recreate an iconic World War II weapon: General Yamashita's Gunto.

Four bladesmiths must forge signature blades from different sizes of spring steel. Two smiths survive an intense round of testing and return home to recreate a legendary weapon: the Greek Kopis.

In a special five-part competition, top bladesmiths from each branch of the US military - Army, Air Force, Marines and Navy - compete to earn a spot representing their branch in a battle.

In Round Two of the Battle of the Branches Tournament, four airmen from the US Air Force must forge a Bolo knife using the San Mai technique to combine high carbon steel with helicopter parts.

In the third round of the Battle of the Branches, four Marines are tasked with forging one of the most versatile, and iconic combat knives in history: the KA-BAR.

Round Four of the Battle of the Branches sets sail as four Naval officers must forge a multipurpose Naval Mark 3 Dive Knife with metal from a giant anchor chain.

In the final round of the Battle of the Branches the winning Soldier, Airman, Marine and Sailor return to the forge for the ultimate showdown.

Four bladesmiths are tasked with forging signature blades from gym equipment. The two remaining smiths have only four days to recreate one of Japan's deadliest swords: the Nagamaki.

Four bladesmiths are tasked with forging fantasy blades from a meteorite. The final two head to their home forges to recreate a legendary weapon: Attila the Hun's Sword of Mars.

Four bladesmiths fight fire with fire when they must dismantle a forge and use that steel to construct a blade. The final two must recreate one of history's most elegant weapons of war: The Partizan.

Four bladesmiths must forge a canister Damascus blade from three different steels using three separate cans. Two finalists must recreate the Messer and Bi-knife.

Four bladesmiths must forge a kukri with steel harvested from an old snowmobile. The two remaining smiths head home to forge a massive and intricate sacrificial sword from South Asia: the Ram Dao.

Four bladesmiths are tasked with forging blades from old toys using the san mai technique. After a ruthless round of testing, two smiths recreate the M1832 Foot Artillery Sword.

Four bladesmiths compete to recreate a space-age M-1 NASA Survival Knife out of ball bearings. Only bladesmiths with NASA worthy engineered blades will continue on to construct a Spiked Mace.

Four bladesmiths are tasked with forging signature blades with an integral knuckle duster. The two finalists must recreate one of Scotland's most famous and feared weapons: the Lochaber Axe.

Four bladesmiths are tasked with forging the Karambit. The final two bladesmiths must recreate a weapon that's both deadly and debonair: The Cane Sword.

Four bladesmiths must scavenge a construction site to salvage their own knife-making materials. The finalists attempt to re-create a historic hunting weapon: The Boar Sword

The odds are stacked against four bladesmiths when they must each forge a chopper in a distinct Damascus pattern. The final two smiths recreate a dangerous medieval weapons: the Falchion.