At the Bill Moran School of Bladesmithing, three top smiths are put through the ultimate test. After two brutal challenges, only one will get the chance to compete for the grand prize.

At the New Agrarian School in Bigfork, Montana, three top smiths are tested like never before. After two gruelling challenges, only one will go through to the the finals.

The Brotherhood uncovers a new structure under the swamp and a new theory suggests the Vikings worked with the Templars to help them get to Oak Island.

Darrell gets himself banned from one of the auctions, Ivy beats the competition with a cool machine and Barry goes undercover - but will he be able to keep up the act?

The buyers go to Moreno Valley, Calif.; Darrell tries to play nice; Barry Weiss lands an uncertain score.

Super Bros. Shuffle: Jarrod and Brandi land an item in Costa Mesa that could be worth $25,000. Darrell is onto a winner too when he scores some Super Mario memorabilia.

After returning to LA, Ton and Allen butt heads with a familiar old foe. They discover a driving range golf ball picker vehicle and one of the most accurate rifles ever made.

Ton and Allen face-off against a buyer with shady bidding tactics. The guys find a custom-built monowheel and a rifle designed to ward off grave robbers in the early 19th century.

Riders on the Pawn: Among the novel objects brought into the shop this time are a yearbook featuring Jim Morrison, and a signed buoy from the TV show Baywatch.

The Mutual UFO Network is devoted to the scientific investigation of UFOs. With more than five decades of investigations, MUFON's database could contain proof.

William Shatner continues his quest to find answers to the unexplainable, this week looking at satanic encounters.

The Pawn Stars check out more curios, knick-knacks and memorabilia as the ever-popular series returns for a 23rd season.

Allen and Ton use their bidding skills to win two units at an auction in Denver. The guys find a vintage ice-resurfacing machine and a biathlon rifle. How much are they worth? (Series 3,

Allen and Ton try to get the drop on their competition. They find some gold-mining machinery from the 1950s and an amateur rocket that can travel faster than the speed of sound.

At the Bill Moran School of Bladesmithing, three top smiths are put through the ultimate test. After two brutal challenges, only one will get the chance to compete for the grand prize.

The Pawn Stars check out more curios, knick-knacks and memorabilia as the ever-popular series returns for a 23rd season.

Ton and Allen hit the road for Nashville, where they rumble with a band of tough, high-bidding bikers. The day explodes when the guys discover a 37mm anti-tank gun and a cowboy's rodeo saddle.

Big Sis drops some bad news as the guys clash with Carolyn at an auction in Long Beach. Ton and Allen unearth a Native American tomahawk, a dunk tank and a rare gun. (Series 4,

Ton and Allen get taken down by their fiercest opponent, CJ, but a twist of fate keeps the guys in the game. Their accountant has some shocking news.

At the New Agrarian School in Bigfork, Montana, three top smiths are tested like never before. After two gruelling challenges, only one will go through to the the finals.

Brandi makes a serious land grab and it pays off, Rene can't resist a big mystery and Barry poaches from the competition.

Ivy scores a packed locker and stumbles across an antique of unusual origin, while Darrell discovers that good things come in small packages.

Rene has lukewarm results bobbin' for profits in Stanton, while Brandi does end up with the green... just not in the way she expected.

At the New Agrarian School in Bigfork, Montana, three top smiths are tested like never before. After two gruelling challenges, only one will go through to the the finals.

Rick and Chum kick it with a rare pair of Pumas from 1968. But will a shocking sticker price leave them in the dust, or can they race their way to a deal?

The Brotherhood uncovers a new structure under the swamp and a new theory suggests the Vikings worked with the Templars to help them get to Oak Island.

The Forbidden Zones: Experts question whether the truth of our alien past could be buried in areas that, due to warfare or instability, are off-limits to exploration.

Could giant ancient drawings found etched into the desert floor be part of an ancient alien code?

Seven stone giants stand guard over a Pacific island. But what are they protecting? And from whom?

On the brink of a major decision, Ton and Allen face-off with Carolyn at an auction in Covina. Also, The guys decide the fate of the shop.

With the pawn shop history, Ton and Allen start the next chapter of their careers with a bang. They uncover a Russian cosmonaut spacesuit... but is it real?

Ton and Allen go head-to-head with their former assistant, Carolyn, while Ton battles a bad back. The guys discover an automatic BB gun.

Prohibition Pawn: Chum checks out an antique corkscrew from the Prohibition era, while Rick checks out an 1834 book of the original rules of baseball.

A signed Jack Nicklaus golf glove swings into the shop, Corey targets a G.I. Joe Tomahawk helicopter toy and an antique Fender amp rocks Chum's world.

As the connection between Nolan's Cross and the Knights Templar deepens, the team digs up treasure on Lot Five.

Explore whether the Gods of Greece including Zeus, Apollo and Poseidon, were actually extra-terrestrial visitors to Earth.

The buyers head to Palm Springs in search of higher-end goods. Kenny tries to amp up the profit on a unit and Rene sees quick potential where others don't.

Dusty and Lupe steal a no-brainer locker, which pays off handsomely. Meanwhile, Darrell taxes himself - which almost puts him in storage jail.

Four bladesmiths must create a signature blade using a randomly chosen mystery technique, before two are chosen to forge the Japanese Naginata.

On the orders of Adolf Hitler, the Nazi invaders of Alderney utilised more than 5,000 slave labourers to build a series of protective fortifications.

Could it be possible to cheat death and live forever? What if, by re-examining ancient teachings and harnessing modern technology, we could eventually become immortal?

Are volcanoes a secret hiding spot for aliens? Are underground alien bases nestled in valleys and mountains? And why do certain areas report a higher concentration of UFO sightings than others?

Throughout history, humans have buried their dead. Is there an inherent need for us to dig up our past? What is it that we are searching for, and what profound secrets remain hidden in tombs?

At the New Agrarian School in Bigfork, Montana, three top smiths are tested like never before. After two gruelling challenges, only one will go through to the the finals.