Forged in Fire: Cutting Deeper

Four former contestants return for a shot at victory in a new challenge; the competitors make their signature blades; after two rounds, two smiths take on the final challenge of recreating a weapon they've never seen before, the hook sword.

Four champions return for a chance to prove themselves; after two rounds of competition, only two will move on to the final round where they will have just five days to create a weapon that stumped previous contestants -- the Scottish claymore.

Four new contestants try to craft a signature-style blade from a pile of tools, both old and new; crafting Chinese butterfly swords, the final two smiths face twice the work, and twice the pressure, in their attempt to claim the title.

Four smiths must create a blade out of high-carbon steel while also forging the hammer they'll use to make it; in the final round, they'll have five days to create a weapon known for its deadly prowess against armored soldiers, the falcata.

Four new smiths must forge blades using pieces of steel harvested from monstrous power tools; some of them excel under the pressure, while others are pushed to the limits of exhaustion; the final two must create a sacrificial sword from history.

Bladesmiths must harvest the steel from a piece of construction equipment; after a round of testing and another elimination, the two remaining smiths face off to recreate a classic Greek sword used in close quarters combat.

Four bladesmiths are subjected to one of the most extreme challenges of the season during which they must salvage material from a car and forge a blade in record time, then two smiths will have five days to create a Viking sword; enhanced.

Bladesmiths must choose wisely as they are asked to dumpster-dive for steel to be turned into a hardened blade of their choosing; two smiths will move on to forge a war hammer.

Four bladesmiths must make a serrated blade out of the tools on the table in front of them; they must harvest enough steel to forge the blade without melting down a crucial tool; the final two smiths attempt to forge a Hunga Munga; enhanced.

Four new bladesmiths are put to the test when they must forge a bayonet blade and engineer it to attach to a rifle; the final two smiths are sent home to spend five days forging the legendary African blade, the Zulu Iklwa; enhanced.

Four bladesmiths must create a signature blade using a randomly chosen mystery technique; two will return to their home forges where they will reproduce a Japanese Naginata, which is famous for its long length and use in martial arts; enhanced.

Four bladesmiths salvage steel from a junkyard to create a blade using a hand-cranked coal forge; the smiths struggle to create a Japanese hardening technique; after two rounds, the two remaining smiths face off to recreate a Viking sword.

Four competitors must forge weld blades for friction folders from tiny cubes of steel; two smiths return home to forge a German Zweihander; enhanced.

Bladesmiths must forge a weapon from cable steel; next, the smiths are asked to forge a weapon in their signature style from a large pile of mixed metal; four champions return for a challenge that leaves no room for error, a high carbon steel inlay.

For the first time ever, four bladesmiths must use high carbon steel to forge a hatchet; two smiths make it to the final round during which they will have five days to create an ancient Indian weapon used to both stab and slice; enhanced.