Four more bladesmiths head into the forge to prove they have the mettle to master metal.

Ex-Army Colonel John Alexander visits the ranch as the team receive a signal after repeating an experiment John warned could have opened a portal.

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.

In Orange, California, Barry drops a locker on himself, Ivy Calvin digs through the garbage and finds some collectibles, and Jarrod and Brandi score a locker - but will they make any money?

An auction in Allen's old stomping grounds triggers memories of being a "lone wolf." The guys find a set of RC race boats.

Allen's off his game without his morning coffee, but some fun items help him re-energise. The guys find a wrestling ring and vintage animatronics.

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.

Ancient astronaut theorist Giorgio Tsoukalos takes a look back at some of the most mysterious yet incredible creatures ever investigated.

Andy and Paul return to a Colorado cattle ranch that has had 16 mutilations over 25 years - and features a mysterious bridge that may contain a dimensional portal.

Rick aims to get a rifle from the 1800s, a seller flexes a signed autobiography by Arnold Schwarzenegger and a ventriloquist doll makes Corey's head spin.

Ton and Allen go all in for an electric car, but with the batteries missing, a pricey refurb is their only shot at a profit.

The guys land a custom drift car and a luxury antiques unit that could have a one-of-a-kind pilot pistol from WWI.

Four smiths salvage steel from a railroad track in order to make their signature big blades, while two more smiths forge a monstrous seven-foot blade.

Rick aims to get a rifle from the 1800s, a seller flexes a signed autobiography by Arnold Schwarzenegger and a ventriloquist doll makes Corey's head spin.

Ton and Allen brave the cold in Chicago and uncover a 1984 Yamaha SS440 Snowmobile, an autographed 1920s baseball glove and an authentic 1950s Robby the Robot collector toy.

Ton and Allen face-off with the infamous auction hunter Chicago Charles, and discover a metal Victorian-era burial casket and hazardous 1870s glass fire extinguisher grenades. (Series 2,

At a major auction the guys uncover a scale RC Viper FanJet aircraft with a powerful jet engine and a 1920s Gundlach Korona camera used for photography expeditions. (Series 2,

Lisa comes to Montebello with a clear mind, intent on letting the lockers speak to her. Ivy lets his son navigate his way to an interesting unit.

Brandi is determined to win a locker, while Rene spots a stack of items that speaks to him. Barry struggles to stay in the game.

In Orange, California, Barry drops a locker on himself, Ivy Calvin digs through the garbage and finds some collectibles, and Jarrod and Brandi score a locker - but will they make any money?

Storage-unit auctions are the newest and biggest untapped source for hidden treasures, and opportunistic individuals bid on unclaimed properties hoping to strike gold. Welcome to Storage Wars.

Storage-unit auctions are the newest and biggest untapped source for hidden treasures, and opportunistic individuals bid on unclaimed properties hoping to strike gold. Welcome to Storage Wars.

On the Appalachian: In the heart of the Appalachian Mountains is the world-renowned Clay Spencer Blacksmith shop, where three top smiths will be tested.

Rick makes a surreally good deal for a painting supposedly created by Rene Magritte - will this be the biggest pay day in Pawn Stars history?

Ex-Army Colonel John Alexander visits the ranch as the team receive a signal after repeating an experiment John warned could have opened a portal.

Ancient astronaut theorist Giorgio Tsoukalos takes a look back at some of the most mysterious yet incredible creatures ever investigated.

Scientists have forever been involved in a quest to understand the universe. But for each answer science provides, more questions arise.

Andy and Paul return to a Colorado cattle ranch that has had 16 mutilations over 25 years - and features a mysterious bridge that may contain a dimensional portal.

The guys strike gold with a 1930s "blasting machine" dynamite detonator box and an 1890s treasure chest with secret compartments. Ton smelts jewellery to forge bricks of silver. (Series 2,

Allen and Ton confront high-stakes competition and uncover the first ever pump action shotgun, a Winchester Model 1912, and a hunter's collection of big game, full-body taxidermy. (Series 2,

At one of the nation's oldest storage facilities south of Boston, Allen and Ton uncover an 1800s blackpowder whaling harpoon, and a Betsy Ross American flag. (Series 2,

Rick gets a visit from The Boss when a Bruce Springsteen tour jacket rocks into the store. Meanwhile, Corey checks out some motorcycle art.

Rick and Chum show off their pearly whites when a seller brings in a pair of T-Rex teeth, while Corey goes to bat for a signed Mark Buehrle jersey.

The Skinwalker team broadcasts a mysterious signal recorded on the property over the airwaves of a local radio station that evokes a stunning UAP response.

Is a serpentine monster lurking under the water in the London's Thames River? And were UFOs spotted crossing the moon? And, how are some people able to defy the fear of heights?

Meet a forager who claims he has captured bigfoot calls on video. Plus, could rock paintings in India be proof of otherworldly life?

Experts investigate whether the stories of a time when gods and otherworldly beings inhabited the planet are more than mere mythology.

The Shamshir: The contestants get to work on a unique bowie knife in the first round, before two will go on to craft a deadly sabre called The Shamshir.

Discover 10 locations around the world that just might be hiding alien bases, from a cavern beneath the ice in Antarctica to a Chinese lake.

From a meeting in Texas that left onlookers with mysterious injuries to strange cattle mutilations, discover history's terrifying encounters.

Through records in historical texts, oral tradition and folklore, William Shatner explores how a once-thriving community becomes a lost city.

Today, humanity spans the globe, but how did our species evolve? Do other human-like creatures still exist today?

On the Appalachian: In the heart of the Appalachian Mountains is the world-renowned Clay Spencer Blacksmith shop, where three top smiths will be tested.

The Shamshir: The contestants get to work on a unique bowie knife in the first round, before two will go on to craft a deadly sabre called The Shamshir.