The Final Battle: Alligator season is almost over but there are still lots of gators to catch, not the least the one known as the Loch Ness Monster. Troy faces his nemesis.

Les has the opportunity to get his hands on truckloads of brand new goods that could change the store forever.

Join antiques expert and presenter David Dickinson as more collectors try to sell their items to dealers. Will they strike a deal or take a chance at auction instead.

It's the opening week of a new season, and for the fishermen of Gloucester, Massachusetts, the summer ahead promises the chance for big fortunes.

Every boat except the Wicked Pissah caught fish during the first week, so all eyes are on Captain Paul Herbert to land his first tuna.

It's a long-standing fishing belief that practicing good karma on the ocean brings good in return. but not every captain plays by the rules.

Venom Warriors: Troy, Chase and Bill go deep diving in search of pythons but may have bitten off more than they can chew. Bruce and Zak venture into Viper Jungle.

Skunk Ape Alley: The war against pythons invading the Everglades begins as Troy Landry, his son Chase and snake expert Bill uncover the sepents' breeding grounds.

Return to the Everglades Triangle: The hunters venture into the Everglades Triangle, a remote area known for unexplained disappearances and swarms of snakes.

An acorn-shaped crash, a craft in Japan and a baffling impact in Britain - could these strange events prove Earth has been visited.

Is a dead mermaid really preserved in Japan? And are UFOs attracted to nuclear facilities.

Strange creatures are encountered and a home security video may be proof that UFOs are messing with technology.

Tony Harris separates the real from the fake in some of the most compelling Bigfoot evidence recently captured, including huge primate-like footprints.

When satellites capture a massive crater in the picturesque English countryside, historian Martin Morgan heads there to investigate.

A perplexing, intricate symbol high up in the remote Peruvian Andes may be for the grisliest of child sacrifices - death by lightning strike.

When satellites capture a strange oozing grey mass in the Mississippi countryside, scientist Nick Pollock goes to investigate.

Delve into the top theories surrounding the case of Dan Cooper, who hijacked a Northwest Orient Airlines flight, before disappearing without a trace.

The mysterious arrangement of stones found in the English countryside remains a mystery as to how - or why - the landmark was built.

Experts investigate the methods that Adolf Hitler and the Nazis used to indoctrinate a peaceful population, turning it into a finely-tuned war machine.

What happens after we die? From heaven and hell to reincarnation, explore the remarkable possibilities of life after death.

Dawn of the Celts: A journey to some of the mysteries of how the early Celts emerged and expanded, from collapsed salt mines, to bizarre rituals and lost cities.

William Shatner explores the abilities of our brains that could one day become science fact, rather than science fiction.

From plane crashes to superhuman feats, William Shatner checks out those who lived through the impossible.

The Hawaii Volcanoes National Park is the site of strange events. Are they linked to the legendary Native Hawaiian Goddess of the Volcano, Pele.

Are UFO sightings at Joshua Tree linked to an anti-aging machine and a powerful creature called the Yucca Man.

Could history's most powerful men know more about extra-terrestrials than us? Experts explore the complex relationship between presidents and aliens.

Experts scrutinise the engineering behind the Egyptians' Sphinx and pyramids. Could this advanced civilisation have received extra-terrestrial help.

Alien Origins: The compelling series returns to examine more eerie reports of UFOs. Can it determine where in the universe such strange flying crafts could be coming from.

Astronaut Encounters: To this day, NASA denies all UFO accounts and has taken measures to prevent its astronauts from telling their stories. But what are they hiding.

Two men attempt a carjacking at a Louisiana car wash. A hapless teenage driver turns an Alabama parking lot into a demolition derby.

Les feels hurt when he finds out that Seth is at a rival pawn shop and fears that he is quitting American Jewelry to join the competition.

A man brings in a 160-year-old Tiffany watch. But with no official markings on it, will Les be tempted by his $40,000 asking price.

Les offers to buy a diamond-encrusted Audemars Piguet watch from a customer but asks his watch expert take a closer look at it first.

Dive headfirst into the archives to celebrate the very best bits from the hit series Junk & Disorderly.

Dive headfirst into the archives to celebrate the very best bits from the hit series Junk & Disorderly.

Henry and Skid visit moped fan Dave, scoop up fresh treasures, brave bad weather and chase more finds at FM Hutchings before selling for profit.

The classic Fiat 500 is too expensive, so the team turn their attention to a rust-free Fiat 126 - but the complications turn into a huge nightmare.

Things go nuclear when a Japanese Godzilla toy hits the counter. Chum does battle over a jacket and a Johnny Drama whiskey bottle tries to join Chum's entourage.

A woman brings in a Japanese matchlock rifle that weighs almost as much as she does, followed by two classics: a Superman figure and a Tadeo Fender Telecaster.

The guys get stuck with a unit they didn't want and have to sort through trash to make their bottom line.

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.

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.

Allen Haff and Clinton 'Ton' Jones head to San Bernadino in search of a storage locker gold rush. Ton finds a 1880s gun, but it's only valuable if it fires.

Rene gets superstitious as he hopes to strike it lucky for a second time at auctions in Fontana. Ivy goes with his gut. But will his instincts pay off.

Barry sets out to humiliate Ivy in the next set of auctions. Rene is in for a nasty surprise, while Jarrod and Brandi find themselves surrounded by pigs.

Ivy is on the hunt for high-end items in Moreno Valley, while Jarrod reveals to Brandi an alter ego known as Max Profit.

Follow all the drama as the buyers bid on more abandoned storage lockers. What treasures lie inside and can the dealers sell them on for a profit.

Ivy gets excited by the prospect of high-end lockers. Rene and Casey struggle to agree and Darrell tries to distract his rivals with some old-fashioned pranks.

The pressure falls on Darrell and Brandon to drum up merchandise for their website. Plus, Jarrod and Brandi put a bidding strategy to the test. Will it work.

The team tests Chris Bledsoe, from Florida's Everglades to Virginia's Monroe Institute, seeking how his brain uniquely communicates.

The team ignites a massive bonfire to investigate the Bubble. But what appears in the smoke is more chilling than anyone expected.

Jeff and the team embark on a journey in pursuit of a cache of precious gemstones. But with bad weather closing in, can they find the wreck of the Neptune.

A fabulous cruise ship for the super wealthy, the Empress of Britain was called up for war duty and entered an epic final battle with the German Luftwaffe.

An Oregon woman doing some work on a remote cabin is spied on by a dark figure. Next, a man in Arkansas encounters something terrifying in the woods.

In Florida, an investigator captures dark shadow figures while walking through a cemetery and a young girl in Ohio sees the ghost of her late grandfather.

Is a dead mermaid really preserved in Japan? And are UFOs attracted to nuclear facilities.

Strange creatures are encountered and a home security video may be proof that UFOs are messing with technology.

In this special, Tony Harris reviews the latest developments and most compelling photographic evidence from a tumultuous year of UFO revelations.

Alice is in Lincoln, getting to grips with life in medieval England. She visits the magnificent cathedral that was once the tallest building in the world.

Alice heads to London to attempt to make sense of the world-changing events during the short but eventful Restoration period.

David Dickinson's team are in Bradford. Tim is brimming over a Lalique bowl. Will David Hakeney let a vintage train set go to auction for the sake of a tenner.

Rick and Corey discover an old Buick Roadmaster, Chum checks out a doll and volleyball signed by Tom Hanks and a samurai sword lands on the counter.

Henry's Wreck-trospective dives headfirst into the archives to celebrate the very best bits from the series.

Jarrod and Brandi have some fun as they attempt to beat the competition. Meanwhile, Casey tries her hand at bidding.

Buyers Darrell, Brandon, Jarrod, Brandi and Ivy head to El Monte, California where they tackle the local competition head on.

The buyers are in for the fight of their lives as they lock horns at the nation's biggest shipping container auction.

Newbies Scott and Chrissy push their way onto Brandon and Lori's turf, forcing the couple to burn cash like never before.

The Israelis go after what they think is vintage clothing. Meanwhile, a custom container could land a buyer in jail.

Containers bound for the games in Russia miss the boat. A waterlogged container piques everyone's interest.

Jake lets his pack loose on a mountain lion and comes face-to-face with a bear. Tom and Jack build traditional drums as they prepare to reopen the trading post.

As the team relaunches their investigation on Skinwalker Ranch, they are surrounded by a shocking phenomenon.

Things go nuclear when a Japanese Godzilla toy hits the counter. Chum does battle over a jacket and a Johnny Drama whiskey bottle tries to join Chum's entourage.

A surprise visitor from Texas shows up in time for a series of heated auctions in Upland, where a bad day for Ivy ends with a big bang.

Brandi struggles to keep Jarrod focused at abandoned locker auctions in Hemet. Meanwhile, Dan and Laura Dotson find themselves faced with a life or death crisis.

Get ready for a high-octane nostalgia trip as Junk & Disorderly Henry's Wreck-trospective dives into the archives.

Count down the top ten mysteries of the deep, from sunken continents to supposed proof of the lost city of Atlantis.

Experts investigate why sightings of Bigfoot are so often accompanied by reports of UFOs. Could the Sasquatch be an alien living in our midst.

The buyers are in for the fight of their lives as they lock horns at the nation's biggest shipping container auction.

Newbies Scott and Chrissy push their way onto Brandon and Lori's turf, forcing the couple to burn cash like never before.

Jarrod and Brandi have some fun as they attempt to beat the competition. Meanwhile, Casey tries her hand at bidding.

Buyers Darrell, Brandon, Jarrod, Brandi and Ivy head to El Monte, California where they tackle the local competition head on.

David Dickinson's team are in Bradford. Tim is brimming over a Lalique bowl. Will David Hakeney let a vintage train set go to auction for the sake of a tenner.

As the team launches high-powered rockets into the sky on Skinwalker Ranch, they are frozen in shock by what they encounter.

Notorious phenomenon-experiencer Chris Bledsoe's daughter Emily may share his abilities and they face the Monroe Institute and the Everglades.

With the help of modern science, uncover the secrets of health and wealth in Ancient Egypt from Queen Hatshepsut's death to a case of breast cancer.

Scientists and historians join forces to investigate whether colossal volcanoes toppled an ancient dynasty and reveal the true face of an ancient mummy.

Giorgio Tsoukalos investigates whether sightings of the Loch Ness monster could be caused by a disturbance in the space-time continuum.

Count down the top ten mysteries of the deep, from sunken continents to supposed proof of the lost city of Atlantis.

Jake lets his pack loose on a mountain lion and comes face-to-face with a bear. Tom and Jack build traditional drums as they prepare to reopen the trading post.

Ashley has to face the consequences of her rash decision, Seth takes a ride in a hovercraft and Les does business with Muhammad Ali Jr.

When Ashley steals a deal from right under Les's nose, the family decides to hold a father-daughter sales competition.

When Les finds out that Seth has spent thousands of dollars at a sports card auction, he challenges his son to sell all the new items within a week.

Join antiques expert and presenter David Dickinson as more collectors try to sell their items to dealers. Will they strike a deal or take a chance at auction instead.

David Dickinson's team are in Bradford. Tim is brimming over a Lalique bowl. Will David Hakeney let a vintage train set go to auction for the sake of a tenner.

Chum sniffs out a 1920s Baccarat bottle, while Rick takes a look at a sealed copy of Spiderman and Venom: Maximum Carnage video game.

Get ready for a high-octane nostalgia trip as Junk & Disorderly Henry's Wreck-trospective dives into the archives.

A surprise visitor from Texas shows up in time for a series of heated auctions in Upland, where a bad day for Ivy ends with a big bang.

Brandi struggles to keep Jarrod focused at abandoned locker auctions in Hemet. Meanwhile, Dan and Laura Dotson find themselves faced with a life or death crisis.

Jesse knows you don't strike it rich if you play it safe - so he gambles big on a risky bin.

A deadly bin puts all the buyers on edge, while Brandon and Lori square off against Scott and Chrissy in a bidding war that sends all strategy out the window.

A surprise item may send the Israelis in search of major dollars. Jason strikes on a container full of wood and weird gear.

Items from New Orleans stimulate a frenzy of bidding, while a refrigerated unit sends chills down bidders' spines.

Josh fends off dangerous bulls to protect a bison mother during a tough birth. Meanwhile, Horstman embarks on a journey to hunt for the largest bears on earth.

When the gigantic, invisible Bubble raises new questions for the team, possible answers suddenly fall from the sky.

Rick and Corey discover an old Buick Roadmaster, Chum checks out a doll and volleyball signed by Tom Hanks and a samurai sword lands on the counter.

Darrell and Brandon discover the sweet taste of success, Mary looks for love and Jarrod and Brandi return to Moreno Valley.

Even a fight with Laura can't keep Dave away from locker auctions in Montclair. Plus, how will Jarrod's hangover affect his bidding.

Henry and Skid score big in Derbyshire, revisit Ed for a missed bike and tackle repairs before Skid and Allen brave the sales stand alone.

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

Experts investigate whether an advanced civilisation of giants built Malta's mysterious megaliths. Could they have had extraterrestrial help.

Jesse knows you don't strike it rich if you play it safe - so he gambles big on a risky bin.

A deadly bin puts all the buyers on edge, while Brandon and Lori square off against Scott and Chrissy in a bidding war that sends all strategy out the window.

A surprise visitor from Texas shows up in time for a series of heated auctions in Upland, where a bad day for Ivy ends with a big bang.

Brandi struggles to keep Jarrod focused at abandoned locker auctions in Hemet. Meanwhile, Dan and Laura Dotson find themselves faced with a life or death crisis.

The owner of a gold coin collection hopes he can turn his investment into a profit. Dealer Tim offers extra cash to a seller if he can name famous Bradfordians.

Henry and Skid score big in Derbyshire, revisit Ed for a missed bike and tackle repairs before Skid and Allen brave the sales stand alone.

A real Diamond T truck build has Mike and his crew scrambling to keep up with their client demands.

Two men attempt a carjacking at a Louisiana car wash. A hapless teenage driver turns an Alabama parking lot into a demolition derby.

A disagreement over driving rules in a Washington State parking lot ends with multiple gunshots. A confrontational driver pushes two friends to the brink.

Graveyard of the Atlantic: The team has secret intel on a wreckage that could be the legendary yacht 'Ingomar', whose 1930s disappearance raises many questions.

Experts investigate why sightings of Bigfoot are so often accompanied by reports of UFOs. Could the Sasquatch be an alien living in our midst.

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

Josh fends off dangerous bulls to protect a bison mother during a tough birth. Meanwhile, Horstman embarks on a journey to hunt for the largest bears on earth.

After spending a fortune on sports memorabilia, Seth rushes to sell it all before his dad's deadline. Later, Les checks out a Starfire Convertible.

Seth has his eye on a valuable guitar, a customer tries to buy a fancy watch and Les strikes a deal.

When the security guards start spooking customers, Les sends them home to teach them a lesson.

Join antiques expert and presenter David Dickinson as more collectors try to sell their items to dealers. Will they strike a deal or take a chance at auction instead.

The owner of a gold coin collection hopes he can turn his investment into a profit. Dealer Tim offers extra cash to a seller if he can name famous Bradfordians.

A customer comes in with a rare HG Wells book and an enormous asking price, while a horse statue made of turquoise moseys on in.

Henry and Skid score big in Derbyshire, revisit Ed for a missed bike and tackle repairs before Skid and Allen brave the sales stand alone.

Darrell and Brandon discover the sweet taste of success, Mary looks for love and Jarrod and Brandi return to Moreno Valley.

Even a fight with Laura can't keep Dave away from locker auctions in Montclair. Plus, how will Jarrod's hangover affect his bidding.

Arch-enemies drop their guard to team up against a new threat. Then, it's back to the future when Desert Dan risks it all on a tyre and a hunch.

Big money brings out fierce competition at a rare high-stakes RV auction, before the contents of a locker spill out at our bidders' feet.

A new team surface and pose a threat to Mo, a three-wheeled item entices Matthew and a cluster of table-tennis balls cause confusion.

Buyers clash over outdoor BBQs and a portable rave unit. Mo and Ty take a big gamble on a speedy prize.

In the season finale, Mike makes a death-defying climb, leading to a showdown with a bear, while Jake and his hounds face a risky encounter of their own.

The team ignites a massive bonfire to investigate the Bubble. But what appears in the smoke is more chilling than anyone expected.

Chum sniffs out a 1920s Baccarat bottle, while Rick takes a look at a sealed copy of Spiderman and Venom: Maximum Carnage video game.

Dave Hester shocks the others when he returns to the auctions with vengeance. But can he stop them from buying up the best units.

Eager not to let Dave distract them, Brandi and Jarrod set their sights on big profits. Ivy finds a treasure that promises adventure on the high seas.

Henry's Wreck-trospective. Henry's Wreck-trospective dives headfirst into the archives to celebrate the very best bits from the hit series Junk & Disorderly.

In the 21st century, UFOs have gone from fringe science to mainstream obsession. Are we getting closer to understanding the strange events in the sky.

Experts explore the puzzling construction of Puma Punku in Bolivia. Could advanced technology have been used to carve the ancient temple complex.

Arch-enemies drop their guard to team up against a new threat. Then, it's back to the future when Desert Dan risks it all on a tyre and a hunch.

Big money brings out fierce competition at a rare high-stakes RV auction, before the contents of a locker spill out at our bidders' feet.

Darrell and Brandon discover the sweet taste of success, Mary looks for love and Jarrod and Brandi return to Moreno Valley.

Even a fight with Laura can't keep Dave away from locker auctions in Montclair. Plus, how will Jarrod's hangover affect his bidding.

David Hakeney gets excited about some jewellery. Will Jo Brayshaw be head and shoulders above the other dealers when Victorian epaulettes turn up.

A mysterious entity is spotted in the Irish countryside. A séance goes violently wrong and a UFO pays an overnight visit to the city that never sleeps.

Children across North America interact with ghosts that their parents can't see and citizens in China fear the worst as hundreds of orbs swarm in the moonlight.

Are reports of a strange swirling vortex with a brilliant white center in the skies proof of a genuine UFO.

Look down over a constant inferno in Turkmenistan, mysterious circles in the Namibian desert and secret electric blue ponds in Utah.

Experts investigate whether an advanced civilisation of giants built Malta's mysterious megaliths. Could they have had extraterrestrial help.

In the 21st century, UFOs have gone from fringe science to mainstream obsession. Are we getting closer to understanding the strange events in the sky.

In the season finale, Mike makes a death-defying climb, leading to a showdown with a bear, while Jake and his hounds face a risky encounter of their own.

Les makes a major deal with a new supplier for a truckload of TVs, before getting excited over some rare Detroit Tigers baseball memorabilia.

Les has stainless steel jewellery coming to the shop, which Ashley refuses to sell. But Ashley and Seth's cousin Karen turns up and overrules her.

Cousin Karen is ready to shake things up on the showroom floor, but Ashley is less than thrilled to have someone invading her turf.

Join antiques expert and presenter David Dickinson as more collectors try to sell their items to dealers. Will they strike a deal or take a chance at auction instead.

David Hakeney gets excited about some jewellery. Will Jo Brayshaw be head and shoulders above the other dealers when Victorian epaulettes turn up.

Chum puts his best foot forward when a Nike LeBron sneaker hits the counter, while Rick keeps tabs on a signed Pulp Fiction poster.

Henry's Wreck-trospective. Henry's Wreck-trospective dives headfirst into the archives to celebrate the very best bits from the hit series Junk & Disorderly.

Dave Hester shocks the others when he returns to the auctions with vengeance. But can he stop them from buying up the best units.

Eager not to let Dave distract them, Brandi and Jarrod set their sights on big profits. Ivy finds a treasure that promises adventure on the high seas.

Brandon and Lori uncover a vintage machine filled with risque photos, before our buyers lock horns over what could be priceless artwork.

Cash flies over a locker that reveals a high-ticket mystery item, before everyone digs deep to win an ATM - but will this be a major regret.

Buyers clash over a playground, a treasure trove of bicycle gear and a mystery container.

Four containers are auctioned after their holiday deadline passes, Uzi gets a fright and an enigmatic logo could lead to a cash windfall.

A battered container leads to high tension and a major find yields big bucks.

A truly enormous auction explodes when rival bidders bet huge sums of money on forfeited international shipping containers.

As the team launches high-powered rockets into the sky on Skinwalker Ranch, they are frozen in shock by what they encounter.

A customer comes in with a rare HG Wells book and an enormous asking price, while a horse statue made of turquoise moseys on in.

Darrell and Brandon are thrilled to return to their lucky town of West Covina. However, it's Dave that makes a first-class find.

Dan Dotson returns to the auctions in Costa Mesa, California, where the buyers have their sights set on Dave Hester on his home turf.

Henry's Wreck-trospective. Dive headfirst into the archives to celebrate the very best bits from the hit series Junk & Disorderly.

For millennia, people have believed that everyday objects can possess hidden energy. These talismans are seen to provide protection and good fortune.

Giorgio Tsoukalos investigates whether alien encounters influenced the establishing acts of the Founding Fathers as he travels to Washington DC.

Brandon and Lori uncover a vintage machine filled with risque photos, before our buyers lock horns over what could be priceless artwork.

Cash flies over a locker that reveals a high-ticket mystery item, before everyone digs deep to win an ATM - but will this be a major regret.

Dave Hester shocks the others when he returns to the auctions with vengeance. But can he stop them from buying up the best units.

Eager not to let Dave distract them, Brandi and Jarrod set their sights on big profits. Ivy finds a treasure that promises adventure on the high seas.

David Dickinson is joined by a team of antique dealers. Will Debbie pay over the odds for some royal Doulton figurines.

Explore 10 astonishing, unexplained technologies: from golden orbs in Mexico to a sacred box said to speak with the heavens.

Why do certain areas report a higher concentration of UFO sightings than others? Tony Harris investigates UFO hotspots around the globe.

As we plan to travel to new worlds, how are we preparing to become human extraterrestrials? Will we survive into the unknown.

As the team launches high-powered rockets into the sky on Skinwalker Ranch, they are frozen in shock by what they encounter.

Experts explore the puzzling construction of Puma Punku in Bolivia. Could advanced technology have been used to carve the ancient temple complex.

For millennia, people have believed that everyday objects can possess hidden energy. These talismans are seen to provide protection and good fortune.

This July, 75 years have passed since the Roswell incident. This two-part documentary revisits the alleged crash of an extra terrestrial craft at Roswell, New Mexico in 1947.

When Les takes his niece Karen under his wing to help out at the jewellery counter, Ashley doesn't hide her jealousy well.

Seth thinks Les is stuck in the past after hand delivering their gold to a refinery - and bets his dad that his new mail order service will improve things.

Tensions between Karen and Ashley explode on the sales floor so Les puts them both in the doghouse.

Join antiques expert and presenter David Dickinson as more collectors try to sell their items to dealers. Will they strike a deal or take a chance at auction instead.

David Dickinson is joined by a team of antique dealers. Will Debbie pay over the odds for some royal Doulton figurines.

Chum brings out his inner warrior when a Japanese samurai mask hits the counter and a Norman Rockwell autograph comes into the shop.

Henry's Wreck-trospective. Dive headfirst into the archives to celebrate the very best bits from the hit series Junk & Disorderly.

Darrell and Brandon are thrilled to return to their lucky town of West Covina. However, it's Dave that makes a first-class find.

Dan Dotson returns to the auctions in Costa Mesa, California, where the buyers have their sights set on Dave Hester on his home turf.

An old rivalry resurfaces in Vegas, before a locker reveals a covered item that's thought to be a vintage car - but will the buyer drive away happy.

A mega-find leaves the winning bidder scratching his head - but when the item's true nature is revealed, he'll be swimming in more than just cash.

Manic Matt sets out to prove a point in the port of Oakland, gambling early on a container full of liquor before driving up prices. Will his tactics backfire.

New auctioneer Penny has Israeli young guns Uzi and Schlomi seeing red.

A local man in Nashville is investigating a weird smell when suddenly the sidewalk explodes into flames, throwing a manhole cover across the street.

Cameras capture footage of millions of strange creatures invading a church and some wonder if it's evidence of a grisly buried secret.

Cameras capture footage of a motorway swarmed with snake-like creatures, with the latest tech revealing where they came from and their top-secret purpose.

When cameras capture footage of a massive, never-before-seen sea creature in mysterious waters near Japan, some experts wonder if it's an undiscovered underwater monster.

When cameras capture footage of a strange, blob-like alien in the Amazon jungle, some experts suspect that the origins of this monster are stranger-than-fiction.

Using the latest technology and access to the Vatican's archives, this programme creates the most detailed family tree yet in the search of Jesus Christ's descendants.

An old rivalry resurfaces in Vegas, before a locker reveals a covered item that's thought to be a vintage car - but will the buyer drive away happy.

A mega-find leaves the winning bidder scratching his head - but when the item's true nature is revealed, he'll be swimming in more than just cash.

Darrell and Brandon are thrilled to return to their lucky town of West Covina. However, it's Dave that makes a first-class find.

Dan Dotson returns to the auctions in Costa Mesa, California, where the buyers have their sights set on Dave Hester on his home turf.

The dealers come across a music box, and some letters from former prime ministers Edward Heath and Harold Macmillan land on Stewart Hogfather's table.

Tempers flare when a dump truck driver clashes with an angry motorist over an exhaust, turning a minor dispute into a heated standoff.

Road rage escalates as a Pennsylvania taxi driver faces a gunman and a Texas motorist threatens others with an axe.

A mysterious entity is spotted in the Irish countryside. A séance goes violently wrong and a UFO pays an overnight visit to the city that never sleeps.

Children across North America interact with ghosts that their parents can't see and citizens in China fear the worst as hundreds of orbs swarm in the moonlight.

Dark spirits plunge their victims into a sinister supernatural realm, while a malicious entity stalks a young girl.

Giorgio Tsoukalos investigates whether alien encounters influenced the establishing acts of the Founding Fathers as he travels to Washington DC.

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

This July, 75 years have passed since the Roswell incident. This two-part documentary revisits the alleged crash of an extra terrestrial craft at Roswell, New Mexico in 1947.

Les goes on a buying spree that leaves his staff wondering what's going on. Meanwhile, Karen needs Byron's help to handle a pair of unruly piano players.

A hustler tries to make Les an offer he can't refuse, but the Golds fight back and turn the tables on the shady customer.

Ashley pranks Seth to teach him a lesson about locking his door, but Seth evens the score with a practical joke of his own.

Join antiques expert and presenter David Dickinson as more collectors try to sell their items to dealers. Will they strike a deal or take a chance at auction instead.

Pinwheel leads as the fleet's mates prove their worth. Will they be able to keep their streak or will one of the other crews take the crown.

The Dave is desperate to redeem himself. Paul doubles down on his efforts to train his rookie mate. Pinwheel strives to regain the top spot.

Gators and Ghost Towns: As Troy, Chase and Bill mount an airboat to hunt an area where pythons are raiding alligator nests, an unfortunate error could leave them stranded.

Outlaw Country: Troy, Chase, and Bill gamble on a long journey into the centre of the Everglades, while Bruce and Zak head deep into outlaw country on the hunt for hidden snakes.

Python Gamble: When the swampers can't agree on a hunting ground, they make a friendly wager on which team can catch the most snakes and the biggest python.

Explore 10 astonishing, unexplained technologies: from golden orbs in Mexico to a sacred box said to speak with the heavens.

Did a Chilean family photograph a real UFO over the Andes? And does a huge fossil point to a prehistoric figure.

What is the identity of a bizarre creature spotted on a driveway? And did the Men in Black threaten a man.

Explore a strange creature caught on camera and a sound so loud it covered the Equatorial Pacific.

Ony investigates anomalies including UFO footage from Sweden and a bizarre case of decapitated goats in Atlanta.

Did a canoer film the legendary Skunk Ape walking in gator-infested waters.

For thousands of years, humans have shaped awe-inspiring structures as testaments of faith. From the Vatican to Egypt, explore the mysteries they hold.

Archaeologists have long searched for legendary sites of holy births, miracles and wars. We uncover the stories and efforts to find these sacred places.

A full-page illustration of the Devil and hellish rumours gave the Devil's Bible its nickname, but who really wrote this book.

Experts look to uncover the truth behind the mystery of Mary Magdalene's life after witnessing the resurrection.

The rock-hewn pillars of Gobekli Tepe in Turkey have baffled archaeologists for decades - who built this incredible monument, and why.

Some strongholds were built to protect the sacred and others used for sinister purposes. Uncovering stories behind the world's most imposing structures.

The Art and War: After thriving for three centuries, the Celts turned from traders into proven warriors, weapon masters and metal artists in a time that became their golden age.

A local man in Nashville is investigating a weird smell when suddenly the sidewalk explodes into flames, throwing a manhole cover across the street.

Workmen in Canada film an enormous and enraged humanoid figure appearing to throw a tree trunk in the forests of Alberta.

In Montana's Glacier National Park, some claim that there is a hidden underground Nazi base that may even have been the final hideout for Hitler himself.

From inexplicable disappearances to mysterious experiments, events in Mount Shasta National Park may be explained by an ancient Karuk Indian legend.

Atmospheric Anomalies: Some experts believe many atmospheric light shows are actually caused by extraterrestrials. If so, do they pose an imminent threat to humanity.

Alien Apocalypse: If extraterrestrials visited Earth would they enlighten us or destroy us? Experts examine the possibility of a doomsday orchestrated by an alien enemy.

Top Ten Military Encounters: A fascinating and shocking countdown of the top ten military encounters between Earth's armed forces and UFOs.

Alien Skies: From mid-air abductions to near-disasters caused by unseen enemies, experts examine if we are alone in the skies over Earth.

The Next Wave: A fascinating look at the mounting evidence that suggests UFO waves are able to penetrate the world's most closely guarded airspace at will.

Signs of Abduction: From loss of time and bizarre hazy memories, to terrifying accounts of alien surgery, these are the hidden signs of alien abduction.

Antigravity: Experts discuss the possibility of advanced alien technology that could allow UFOs to fly at blinding speed or hover effortlessly a few feet above the ground.

UFO Metal: Nations all over the world are rumoured to have found metal debris from UFO crashes. Join the investigation into the alleged wreckages of otherworldly crafts.

Tempers flare when a dump truck driver clashes with an angry motorist over an exhaust, turning a minor dispute into a heated standoff.

Road rage escalates as a Pennsylvania taxi driver faces a gunman and a Texas motorist threatens others with an axe.

Ashley has to face the consequences of her rash decision, Seth takes a ride in a hovercraft and Les does business with Muhammad Ali Jr.

When Ashley steals a deal from right under Les's nose, the family decides to hold a father-daughter sales competition.

When Les finds out that Seth has spent thousands of dollars at a sports card auction, he challenges his son to sell all the new items within a week.

After spending a fortune on sports memorabilia, Seth rushes to sell it all before his dad's deadline. Later, Les checks out a Starfire Convertible.

Seth has his eye on a valuable guitar, a customer tries to buy a fancy watch and Les strikes a deal.

When the security guards start spooking customers, Les sends them home to teach them a lesson.

Henry and Skid score big in Derbyshire, revisit Ed for a missed bike and tackle repairs before Skid and Allen brave the sales stand alone.

The guys find a Toyota Sera - a rare concept car with gull-wing doors and a 50s-style glass roof - but it's not driveable in the way they need it.

Age-old ruins can stand with their true history seemingly erased by time - can modern research discover why these ancient structures were built.

The Vikings were infamous for being bloodthirsty, seafaring warriors - but historians are learning surprising new things about this Norse society.

Join William Shatner as he explores the bizarre tales involving US presidents that defy explanation and are still shrouded in mystery.

For centuries, mankind has devised ingenious ways to hide information, from enigmatic puzzles to secret symbols. Can we unlock these great mysteries.

Throughout history's largest and deadliest human conflict, a number of intriguing and persistent mysteries were born - from lost gold to secret societies.

Ancient texts shed new light on the many competing Christian sects that sprang up in the first centuries after Christ's crucifixion.

Explore the fascinating 2,000-year-long history of the Holy Lance, a sacred relic of Christianity sought by Emperor Constantine, Napoleon Bonaparte and Adolf Hitler.

Adolf Hitler was deeply into the occult - so much so that he even established a Nazi organisation with a secret mission to confiscate relics.

Notorious phenomenon-experiencer Chris Bledsoe's daughter Emily may share his abilities and they face the Monroe Institute and the Everglades.

As the team launches high-powered rockets into the sky on Skinwalker Ranch, they are frozen in shock by what they encounter.

A powerful hurricane forces Jeff's team into a secluded cove, where they investigate The Lombrac, an 18th-century ghost ship.

The team must make one final push to find the Chameau's remaining fortune and complete the mission Jeff's father started decades ago before time runs out.

A mysterious entity is spotted in the Irish countryside. A séance goes violently wrong and a UFO pays an overnight visit to the city that never sleeps.

Children across North America interact with ghosts that their parents can't see and citizens in China fear the worst as hundreds of orbs swarm in the moonlight.

Did a Chilean family photograph a real UFO over the Andes? And does a huge fossil point to a prehistoric figure.

What is the identity of a bizarre creature spotted on a driveway? And did the Men in Black threaten a man.

Are reports of a strange swirling vortex with a brilliant white center in the skies proof of a genuine UFO.

Alice explores the stories of England's 'Golden Age', from Sir Francis Drake to the Spanish Armada, piracy, theft, and the slave trade.

In Portsmouth, Alice Roberts learns about Nelson's dark side, the heat of the battle at Trafalgar, the role of the Navy in the British Empire, and more.

The dealers come across a music box, and some letters from former prime ministers Edward Heath and Harold Macmillan land on Stewart Hogfather's table.

Rick and Corey dart out of the shop to check out a 1968 convertible. Meanwhile, Chum desperately wants a piece of an oreodont fossil.

Dive headfirst into the archives to celebrate the very best bits from the hit series Junk & Disorderly.

Victor battles to end his losing streak in Waxahachie, where some buyers prove that playing it tough is the only way to make a killing.

Victor gets more than he bargained for when he pursues a motorcycle in Carrollton. Ricky finds himself face to face with one of his biggest fears.

Brandon and Lori take a risk on a large covered item during an unusual auction. Will the reveal rev their profits or stall their cash flow.

A locker unleashes a swarm of more than just merchandise while Jesse throws down to win antiques.

Workmen in Canada film an enormous and enraged humanoid figure appearing to throw a tree trunk in the forests of Alberta.

Residents of a village reported seeing a statue of the Virgin Mary move, but some believe the phenomenon was just an optical illusion or a prank.

Millions mourned the death of Elvis Presley in 1977, but he's been spotted hundreds of times since.

People reveal details from their past lives as celebrities, while experts investigate evidence that suggests death may not be the end of our existence.

In 1977, schoolchildren spot a cigar-shaped aircraft in Wales. The sighting transforms the quiet seaside town into a UFO hot spot.

Alleged sightings of leprechauns and fairies are nothing new in Ireland. Experts debate whether these Celtic creatures are fact or fiction.

Experts investigate why religious apparitions appear on seemingly normal objects to seemingly normal people. Is it blind faith or supernatural phenomena.

Believers and skeptics debate the origins and meanings of the mysterious formations known as crop circles.

Experts investigate if a series of house fires across the UK are linked to an allegedly cursed portrait.

A strange creature was reportedly seen in a wooded area of Massachusetts by different people, all giving similar descriptions. Coincidence, collusion, or a genuine mystery.

What is the Voynich Manuscript, and what secrets does the mysterious 500-year-old document hold.

Antiquities expert Timothy Smith looks into the existence of a code hidden in the world's oldest complete text of the Hebrew Bible, which some believe to be the actual word of God.

Brandon and Lori take a risk on a large covered item during an unusual auction. Will the reveal rev their profits or stall their cash flow.

A locker unleashes a swarm of more than just merchandise while Jesse throws down to win antiques.

Victor battles to end his losing streak in Waxahachie, where some buyers prove that playing it tough is the only way to make a killing.

Victor gets more than he bargained for when he pursues a motorcycle in Carrollton. Ricky finds himself face to face with one of his biggest fears.

Items of interest include a book about the Titanic which arrives on David Tupman's table, while Karen gets a little too carried away with a cavalry sword.

When the team deploys a cutting-edge new technology on Skinwalker Ranch to study the mysterious Bubble, it leads to an unsettling revelation.

Andy and Paul return to the Ranch, at the bridge that has been dubbed The Miller Triangle and find more evidence that the two sites are linked.