Forged in Fire: Cutting Deeper - Episode Guide

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.

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; enhanced.

Four bladesmiths must transform the barrel of a gun into a lethal knife; after a round of testing, the final two smiths return home where they have five days to forge one of the most legendary blades in combat history, the cavalry saber; enhanced.

The competitors must forge two blades in the first round, pushing them to their limits and leading to a hospital trip; after the second round, the two remaining smiths have five days to create a 15th-century combat sword, the Katzbalger; enhanced.

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; enhanced.

Facing a new twist in the first round, four bladesmiths 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; enhanced.

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 Filipino weapon of war, the Panabas; enhanced.

The judges pick the best "Forged in Fire'' weapons produced thus far on the series.

Smiths 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.

Fans pick the best "Forged in Fire'' weapons produced thus far on the series.

Smiths are tasked with using mystery steel to forge a blade; the smiths fight to the finish amidst injuries and setbacks, but only two make it to the final round; the finalists have five days to recreate the sacred but lethal Talwar sword; enhanced.

Fans choose their favorite moments from the series, "Forged in Fire.''

Four bladesmiths must utilize questionable steel from mining tools to forge blades in their signature styles; ultimately, two smiths survive to forge an intricately designed and deadly Italian sword, the Cinquedea; enchanced; updated.

Four bladesmiths must use the steel from a suit of armor to create signature blades; after a tense round, only two move on to create a weapon historically used for both combat and hunting -- the boar spear; enhanced; updated.

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

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; enhanced; updated.

Competitors forge deadly weapons of war; in the final round, the remaining smiths forge the Japanese Katana; four smiths must combine high carbon steel and wrought iron to forge a functional weapon; the finalists must forge the Ethiopian Shotel.

Four bladesmiths must take an ordinary garden lawnmower and use its metal to create one of their signature blades; then, two finalists must create a Tabar, a deadly battle axe from Southern Asia; enhanced.

Smiths are tasked with making serrated blades out of the tools on the table in front of them; the final two attempt to forge a Hunga Munga; the smiths must forge weapons using everyday objects; finalists have five days to forge the Moro Kris sword.

Masters compete alongside their apprentices as they take turns on the forge floor, fusing their skills to forge a cleaver using the arduous jellyroll technique; in the final round, the smiths must forge a Congolese chopper, the Nzappa Zap; enhanced.

The smiths use an age-old technique to create their signature weapons; then, four new smiths must forge a bayonet blade and engineer it to attach to a rifle; the final two are sent home to forge the legendary African blade, the Zulu Iklwa; enhanced.

Bladesmiths must forge blades from a giant elevator cable; only two smiths will return home to recreate the African Ngombe Ngulu, known as the executioner's sword; enhanced.

Four competing bladesmiths are tasked with forging a bowie knife that will require a d-guard in the second round; only two manage to make it through to the final round where they must recreate a deadly saber called the Shamshir; enhanced.

Smiths must use steel from nautical equipment to forge-weld their signature blades, while being forced to do it using a metal inlay technique; then, the two finalists have just five days to forge the Kachin Dao, a deadly headhunting sword; enhanced.

Four bladesmiths are challenged with taking high carbon steel and wrought iron and forging a fully functional weapon; two will move on to the final round, where they will have just five days to make the Ethiopian Shotel.

The bladesmiths must create a weapon in their signature style from a large pile of mixed metal welded together; two return home to forge the mysterious Khanda.

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; enhanced.

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 re-create a fearsome battle weapon known as the kampilan.

The bladesmiths are forced to layer a complex Damascus pattern into their signature blades; after an unforgiving round of testing, two smiths are locked in a dead heat to recreate a three-bladed African throwing knife called the Kpinga; enhanced.

Smiths forge blades with fire and their bare hands; finalists must create the Scottish Claymore; smiths must create signature blades using a mystery technique; two finalists must reproduce a Japanese Naginata; competitors use steel from a jackhammer.

Four smiths must forge a bayonet blade engineered to attach to a rifle, then the finalists are sent home to forge the Zulu Iklwa; smiths use the steel from a suit of armor to create a blade, then the finalists have five days to create a boar spear.

Four bladesmiths forge blades using pieces of steel harvested from monstrous power tools; next, the competitors create their signature blades by using the Hada technique; the judges pick a past smith to represent them in a battle for supremacy.