Forged in Fire

How do you turn wreckage into a sharp, stylish weapon? A brutal twist on the classic car challenge pushes the smiths to their limit.

It's a blackout! The smiths must work the forge without modern power tools. Who will craft the best blade by lantern light using just a hammer?

Japan's ninjas provide inspiration as the smiths re-create their iconic blades — with the lightest one earning its maker an advantage in the next round.

The smiths must turn flimsy sheet metal into strong blades that can survive a savage stab and chop challenge. Finalists craft an ornate Indian saber.

Survival in the wild requires a reliable blade. The smiths set out to make sawback machetes using only steel tent stakes.

Judges task the smiths with crafting not one but two canister Damascus knives. The finalists then move on to re-creating a 15th-century Italian blade.

Welcome to a knife fight! Four smiths bring their very best work to be tested — with one facing elimination before the forges are even lit.

In a tribute to South America's gauchos, the smiths try to re-create their signature knives. Later, the top two will face an even greater challenge.

Four smiths search for a clever solution when tasked with creating usable blades with just a sliver of high-carbon steel and lots of rusty scrap metal.

A revolutionary challenge awaits the smiths as they forge a Continental rifleman's knife using materials chosen at random in knapsacks.

The tables turn as competitors decide on the challenge and its rules. Later, the surviving smiths attempt to re-create an 18th-century Tibetan sword.

The smiths head to the Mystic Seaport Museum for an open-air competition, where they craft nautical-themed blades of old using only a coal forge.

To begin the Gladiators of the Forge challenge, two smiths build versions of a Roman falx in hopes of winning $75,000, the show's largest-ever prize.

In his challenge against the reigning Gladiator of the Forge, new contender Jesse Hu chooses the ancient Greek kopis as the blade they must each create.

Pitted against a smith who's also a Viking reenactor, the current champ seeks to demonstrate his mastery over the difficult sica blade.

With the Gladiators of the Forge series nearing its conclusion, the champion looks to extend his dominance in a competition focused on Pugio daggers.

Seeking redemption and glory by crafting daggers and axes, competitors from past battles face the champ in the final rounds of Gladiators of the Forge.

After making their signature blades with a Go Mai technique, the smiths contend with an even greater challenge: crafting a Naga sword.

In a tribute to the vaqueros of yesteryear, the smiths build Mexican Bowie knives as fast as they can to win extra time for a machete challenge.

In a special five-hour challenge, the smiths seek to impress the judges by making signature blades of layered Damascus steel with stunning patterns.

Competing pairs of brothers and friends head to their home forges to spend four days building Scottish broadswords before the judges test the results.

The smiths face off in the first of a series of Supersized battles to create some of the show's biggest-ever blades, starting with a 7-foot sword.

After forging blades with steel salvaged from massive coils, the smiths set their sights on something even bigger: gigantic elephant swords.

The smiths sift through 5 tons of scrap metal to find materials for their blades. The next battle yields the longest blades in the forge's history.

The smiths enter the Marvel universe to build fantasy weapons for video game characters — and bring virtual blades into the real world.

The Supersized competitions reach their grand finale with challenges involving giant "hog splitter" blades and re-creations of Japanese greatswords.