Forbidden Caves: Could Earth's deepest caves hide secret conduits to other worlds? Or harbour evidence that aliens once visited our planet? Experts investigate. (S7, ep 3).

Dr D and the Mystery Machines: Rene makes a costly gamble. Meanwhile, Brandi wades through trash and Ivy and Pops clear up confusion over a massive mysterious mechanism.

A Plane Flew Over the Cuckoo's Nest: Brandi tries to teach Danielle a lesson about the true meaning of trash. Meanwhile, Ivy gets distracted by a decoy.

Let My Lockers Go: Kenny tries to honour the history of San Bernardino, recording a win along the way. Also, Brandi shows her literary prowess volume by volume. (S13, ep 11).

Series following part-gamblers, part-antique experts who bid for the contents of abandoned storage units. When the doors open, will it be treasure or trash? (S13, ep 12).

Bringing the Heat: The Swampers battle sweltering heat. Ronnie pushes himself too far. Daniel goes on a risky mission without Big Tee, who is injured. (S10, ep 6).

Cajun Cyclone: A huge storm rips through the Gulf Coast and wreaks havoc among the Swampers, who race to stop their gators from sinking. (S10, ep 7).

Two for the Money: The alliance between Captains Dave Marciano and Dave Carraro is in jeopardy after the Hard Merchandise suffers a breakdown at sea. (S7, ep 6).

Who's Got Game?: In this round, the competitors are tasked with creating a special piece that reflects the hurdles they have overcome in their respective pasts. (S2, ep 7).

Runway Walk: In this round, the competitors are challenged with creating an intricately crafted accessory for a high fashion look. (S2, ep 8).

Wearable Wood: The carvers put on a fashion show with wooden helmets worn by host Adam Beach. The carvers then go back in time to create a piece demonstrating transformation. (S1, ep 9).

Texas Lights, The Bloop, Vanishing Boat: Residents of a Texas town report strange lights in the night sky. (S1, ep 2).

Dolphin Saviours, Grim Reapers, Hysterical Strength: A look at dolphin rescues, death-smelling pets and a skinny teen with unbelievable strength. (S1, ep 4).

The God Particle: Experts question what the God Particle reveals about the origin of our world and whether clues to its significance could have been left by ancient aliens. (S6, ep 16).

Faces of the Gods: Throughout history, there are stories of strange beings unlike anything known to exist on Earth. Could they be more than just mythology.

Mysterious Devices: Experts check out a 2,000-year-old computer, a power plant inside the Great Pyramid and a Nazi-era time machine. Could they have been built with extraterrestrial help.

Alien Transports: Ancient cultures tell stories of strange objects seen flying in the sky. But are these tales fiction? Or could people thousands of years ago have witnessed spacecrafts.

Investigators around the world explore the possibility that extraterrestrials have influenced mankind throughout the course of human history.

The Founding of America: Giorgio Tsoukalos investigates whether alien encounters influenced the establishing acts of the Founding Fathers as he travels to Washington DC. (S1, ep 8).

New. For years, teams within the US Air Force and intelligence services exploited and manipulated beliefs about UFOs. Now, some of those behind these operations speak out.

Orb & Crash Debris, KGB UFOs and Aliens, and Superhuman reflexes: Is the strange silver orb in the sky a UFO? And is an infamous spy organisation's footage of aliens real? (S4, ep 4).

Terrifying explosions rock the streets of Manhattan, and police footage captures a shadowy creature stalking Georgia's ancient forests. (S1, ep 3).

Dan Abrams hosts a walk through the most dramatic outbursts and extraordinary moments to ever take place in US courtrooms.

Dan Abrams hosts a walk through the most dramatic outbursts and extraordinary moments to ever take place in US courtrooms.

Surf's Up: A surprise item may send the Israelis in search of major dollars. Jason strikes on a container full of wood and weird gear. (S2, ep 7).

The Big Not-So-Easy: Items from New Orleans stimulate a frenzy of bidding, while a refrigerated unit sends chills down bidders' spines. (S2, ep 8).

July 2022 marks the 75th anniversary of one of the most perplexing UFO mysteries: the alleged crash of an extra terrestrial craft at Roswell, New Mexico in 1947.

Oh No He Didn't: Les loses his temper when the kids suggest he sells their failing second store. With the family's livelihood at stake, Seth puts a sneaky plan into action. (S7, ep 12).

Oh Yes He Did: Ashley is pulled into the fray as Seth's plan to sell the Pontiac shop hits a snag. Then a meeting with a buyer leaves them in a life-changing situation. (S7, ep 13).

Oh Yes He Did: Ashley is pulled into the fray as Seth's plan to sell the Pontiac shop hits a snag. Then a meeting with a buyer leaves them in a life-changing situation. (S7, ep 13).

Family Matters: Finding it hard to forgive Seth for trying to sell his business, Les locks himself in his office. Meanwhile, a fight breaks out on the pawn shop floor. (S8, ep 1).

Family Matters: Finding it hard to forgive Seth for trying to sell his business, Les locks himself in his office. Meanwhile, a fight breaks out on the pawn shop floor. (S8, ep 1).

Pay to Play: Les is caught in a dilemma over the authenticity of a rare guitar. With no expert on hand, he's forced to go with his gut. (S8, ep 2).

Unforgiven: Rich makes a glaring error that could see him fired. Plus, a kooky cowboy arrives at the counter and Ashley reacts to bad manners in the pawn shop queue. (S8, ep 3).

Shell Game: The Golds are forced to take action when they spot a hustler scamming their customers in the car park. Later, Seth and Ashley finally come to blows. (S8, ep 4).

Gold Meltdown: A sloppy mistake threatens to cost the Golds big business. Plus, a dispute on the shop floor turns ugly. (S8, ep 5).

Episode 3: New auctioneer Penny has Israeli young guns Uzi and Schlomi seeing red. (S1, ep 3).

Secret Stash: At the port of Los Angeles, the Uzi and Shlomi are out to destroy the competition. (S1, ep 4).

Last Laugh: Manic Matt finds himself laughing hard when the others spend big money on what looks like junk. But will he wind up the butt of the joke? (S1, ep 5).

Four-Wheeled Fortunes: Always up for an outrageous gamble, Uzi and Schlomi throw down the gauntlet in the biggest auction yet. (S1, ep 6).

Alien Skies: From mid-air abductions to near-disasters caused by unseen enemies, experts examine if we are alone in the skies over Earth. (S3 ep 7).

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. (S3, ep 8).

The Founding of America: Giorgio Tsoukalos investigates whether alien encounters influenced the establishing acts of the Founding Fathers as he travels to Washington DC. (S1, ep 8).

An Australian banana farmer spots a saucer-shaped UFO rising out of a swamp in 1966. That same year in Victoria, a man veers off the road while distracted by lights in the sky. (S1, ep 9).

A policeman hears a loud roar and sees an oval-shaped UFO in New Mexico in 1964. In 1994, a postal worker in Frankfurt spots an aura of light and a luminous object in the sky. (S1, ep 10).

A Big Find: The team examine the disappearance of 27 US Navy aviators and crew in 1945. While searching for plane wrecks, they uncover a debris field with historic implications. (S1, ep 1).

Rogue Waves: The USS Cyclops, the biggest vessel to vanish in the Bermuda Triangle, may have been struck by a rogue wave. The team make a discovery that solves an old mystery. (S1, ep 2).

Holes in the Ocean: The team searches for the remains of an entire pirate fleet of ships that disappeared suddenly in the Bermuda Triangle, as if swallowed up by the ocean. (S1, ep 3).

Spies in the Deep: The team turn to one of the planet's most advanced research ships to find a secret weapon of the Pentagon's arsenal: a spy plane lost in the Bermuda Triangle. (S1, ep 4).

Alien Abyss: The team enlists special equipment to help in the search for two air force planes which inexplicably vanished without a trace while carrying dozens of passengers. (S1, ep 5).

Death From Below: While searching for a ship that vanished in 1921, the team turn to an advanced submarine to probe one of the deepest, darkest parts of the Bermuda Triangle. (S1, ep 6).

Iron Age Chariot: Alice Roberts follows archaeologists as they excavate Iron Age Britain's most spectacular grave - a Yorkshire chariot burial. (4 of 4).

And the Hits Keep Coming: While new discoveries are uncovered in the triangle-shaped swamp, the Oak Island team make an incredible revelation in the money pit. (S10, ep 25).

The Game: Roberts and Laidlaw uncover a fatal flaw in the Royal Navy's anti-U-boat strategy and develop their own countertactic. Their next task is winning over the Admiralty. (S1, ep 4).

Treasure of the Vikings: The Viking Age saw major changes in the economy of Scandinavia. Tim Sutherland travels to Norway and Estonia to find out more about the bullion economy. (S1, ep 4).

Libation Vessel: Exquisitely shaped from marble, the libation vessel is Carl's favourite piece in the hoard. Could its four carved heads be depictions of John The Baptist? (S1, ep 4).

Jack the Ripper: A spree of gruesome murders by Jack the Ripper shocks Victorian England. To this day, the vicious killer's identity remains a mystery. (S3, ep 10).

Top Ten Secret Societies: Could elite groups of power players be plotting the fate of the world? Discover the plans and goals of the world's most secretive organisations. (S1, ep 19).

Secret Government Warehouses: From Fort Knox to Hanger 18 and Camp Hero, discover the shocking truth hidden inside the government's secret and highly-fortified areas. (S1, ep 20).

Documentary lifting the lid on the mystery of a UFO witnessed by hundreds of students, teachers and local residents before being silenced by authorities four years ago.

New. For years, teams within the US Air Force and intelligence services exploited and manipulated beliefs about UFOs. Now, some of those behind these operations speak out.

A teenager sees a mushroom-shaped object appear in the field while feeding his sheep in 1971. In 2000, police officers in Illinois chase a triangular UFO the size of a house. (S1, ep 6).

Ford Orion: Everyone wants a classic Ford, so the team target an Orion. There's just one problem - the steering wheel is on the wrong side. (S3, ep 5).

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? (S8, ep 39).

Cash Cash Bang Bang: The guys negotiate hot deals on a first issue Spider-Man comic, an antique 1860 pistol and a mining stock certificate issued to Mark Twain in 1876. (S8, ep 9).

Les Is More: The guys do a deal on a 1961 Les Paul SG guitar. They also come across a 1969 edition of National Geographic, covering the momentous Apollo 11 landing. (S8, ep 10).

Shark Attack: Mo and Ty, AKA 'Team Muscle', make their move and go on the attack. (S1, ep 8).

Never a Safe Bet: Jesse knows you don't strike it rich if you play it safe - so he gambles big on a risky bin. (S2, ep 2).

Checkmate: 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. (S2, ep 3).

Les' Mojo: After a run of bad purchases, can Les prove to his staff that he's still got it? Or has he lost his touch for good? (S8, ep 11).

To Catch A Thief - Part 1: Les is horrified to find jewellery scattered on the shop floor and the business's security system disabled. Can the Golds catch their thief? (S8, ep 12).

To Catch A Thief - Part 2: The Golds set up an elaborate sting to catch the thief that's in their midst. Who is it? And do they have enough evidence to involve the police? (S8, ep 13).

Grey's Conspiracy: The team investigates disturbingly similar stories of alien abductions from two different countries before tracking down some potential proof in Mexico. (S3, ep 2).

Lightning Strikes, Human Hibernation, Chinese Anchors: A man survives six lightning strikes, while a toddler is frozen solid and thawed unharmed. (S1, ep 7).

Wiltshire: Andy explores Wiltshire's mysterious megaliths and barrows, visits a medieval meadery and encounters a religious pilgrimage at the site of a freshly made crop circle. (S1, ep 6).

British Superflood: A theory suggests that one of the largest floods in history created the English Channel and turned Britain into an island separated from Europe. (S3, ep 12).

Ring Around A Rockne: The guys are blown away by a ring that once belonged to mob boss Lucky Luciano, as well as a letter signed by legendary football coach Knute Rockne. (S8, ep 11).

Cash Is King: The guys are wowed by the signed memoirs of King Edward VIII and his wife Wallis Simpson, as well as an antique collection of 1950s tin army trucks. (S8, ep 12).

Double Cross: 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. (S2, ep 4).

Once in a Lifetime: 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. (S2, ep 5).

Secrets Of The Mummies: Experts investigate the mysterious origins of mummification. Could this global practice be proof that aliens once visited Earth? (S7, ep 6).

Alien Messages: Could extraterrestrials have left us clues to the universe's mysteries? Experts investigate cryptic puzzles that might have been left by ancient aliens. (S7, ep 7).

Underground Alien Bases: The team investigates rumours of human-alien genetic experiments reportedly going on deep below the New Mexico desert in an underground base. (S3, ep 3).

Thousands of UFO sightings and abductions are reported every year. This series examines these accounts and casts new light on historic cases. (S1, ep 3).

Government Cover Ups: Has the US Government been hiding the truth about aliens? Journalist Tony Harris and his team will evaluate compelling evidence. (S1, ep 1).

What's Up?: As the team launches the next phase of their investigation on Skinwalker Ranch, a daring helicopter experiment reveals numerous UFO phenomena. (S5, ep 1).

Skinwalker's Evil Twin: When Andy Bustamante and Paul Beban visit the ranch that Robert Bigelow owned alongside Skinwalker, they encounter the same entity that drove him away. (S2, ep 1).

History. For decades, world governments have lied to the people about the alien presence on Earth. Now with verified video of UFOs, it's time to explore the truth.

Take Me to Your Leader: Several US presidents have described encounters with UFOs - is there already an agreement in place between our world leaders and intelligent alien life? (S1, ep 2).

Grey's Conspiracy: The team investigates disturbingly similar stories of alien abductions from two different countries before tracking down some potential proof in Mexico. (S3, ep 2).

Time Traveller, American Stonehenge, Plant Perception: Check out mind-reading plants, pagan human sacrifice and Californian time travellers. (S1, ep 6).

Watch Out: Les vows to get revenge after a crafty seller swindles him with a fake luxury watch. Is there a way he can regain his pride as well as thousands of dollars? (S8, ep 10).

Searching For Soul: Danny is commissioned by Barry White's estate to find and restore the legendary singer's Stutz IV-Porte. Later, a custom job teaches him a harsh lesson. (S1, ep 9).

Boiling Point: Danny and Kevin find themselves in hot water over a motorcycle pullover. They later fit a woman's recovered sports car with a genius thief-busting solution. (S1, ep 10).

Aliens Among Us: Are we being watched by otherworldly beings? Experts make surprising discoveries as they explore the ancient past for evidence of alien overseers. (S7, ep 4).

The Genius Factor: History's greatest geniuses have often said their ideas came from visions or hallucinations. But could they have come from aliens? Experts investigate. (S7, ep 5).

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? (S8, ep 40).

Ring Around A Rockne: The guys are blown away by a ring that once belonged to mob boss Lucky Luciano, as well as a letter signed by legendary football coach Knute Rockne. (S8, ep 11).

Cash Is King: The guys are wowed by the signed memoirs of King Edward VIII and his wife Wallis Simpson, as well as an antique collection of 1950s tin army trucks. (S8, ep 12).

Big Guns: A mysterious container from Guam has the competition ready for battle. Manic Matt fires a warning shot, but the Israelis aren't backing down. (S1, ep 9).

Double Cross: 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. (S2, ep 4).

Once in a Lifetime: 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. (S2, ep 5).

Frisky Business: Follow the quirky day-to day operations of American Jewelry and Loan, a family-owned and operated pawn shop in Detroit, Michigan. (S9, ep 1).

Short Staffed: With the shop short staffed, Seth struggles to stay on the ball. With each new high drama customer, he gets closer and closer to his breaking point. (S9, ep 2).

Monster Deals: Seth and Ashley battle it out to see who can bring in more new customers to the store. (S9, ep 3).

Underground Alien Bases: The team investigates rumours of human-alien genetic experiments reportedly going on deep below the New Mexico desert in an underground base. (S3, ep 3).

Bullet Proof Boobs, Amazing Coincidences, Directional Cows: Cows align with the Earth magnetic fields, and a young makes an incredible connection. (S1, ep 8).

Gloucestershire: Andy receives military training at a Civil War re-enactment, before embarking on a ghostly hunt and meeting the man who captured leopard DNA from a sheep kill. (S1, ep 7).

Overloaded: Clues from other disasters are examined to determine what caused the I-35 bridge in Minneapolis to collapse without warning at the peak of rush hour traffic. (1 of 6).

Pawnocchio: The guys stumble upon a Cy Young baseball card from 1909, some rare handcrafted Pinocchio dolls and a harmonica that once belonged to Aerosmith's Steven Tyler. (S8, ep 13).

Hole In One: The Pawn Stars set their sights on a musket made by cotton gin inventor Eli Whitney. They also come across a golf ball owned by President Lyndon B Johnson. (S8, ep 14).

Naughty Hands & Crazy Pants: Brandon and Lori uncover a vintage machine filled with risque photos, before our buyers lock horns over what could be priceless artwork. (S2, ep 6).

Bowling for Billions: 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? (S2, ep 7).

The Great Flood: Experts find evidence suggesting that ancient aliens saved humanity from great floods sent by the gods. Can we rely on extra-terrestrials to save us again? (S7, ep 8).

The Vanishings: Experts explore the disappearance of civilisations throughout time and across the globe. Could clues left in their wake point to an otherwordly explanation? (S7, ep 9).

Underwater Alien Bases: The team investigates what appear to be underwater landing strips and other strange evidence in the wake of UFO sightings in Florida. (S3, ep 5).

Thousands of UFO sightings and abductions are reported every year. This series examines these accounts and casts new light on historic cases. (S1, ep 7).

Extraterrestrial Evidence: Did a UFO land in Kansas? Tony Harris and his team of experts will investigate compelling evidence of alien visitations on Earth. (S1, ep 2).

In 1973, Calvin Parker claimed he was abducted by aliens in Mississippi. Revisit his chilling story with new evidence and expert analysis. (S1, ep 1).

Our governments cannot hide anymore that alien contact is happening. Experts aim to answer the important question: where do we go from here.

In 1977, Amazonian village locals have a frightening encounter when a UFO shoots beams of light at them. An Australian farmer sees a strange object descend from the sky in 1963. (S2, ep 4).

Strange light patterns are seen in Texas. In France, a man's knee injury is suddenly healed after an odd encounter. (S2, ep 14).

Underground Alien Bases: The team investigates rumours of human-alien genetic experiments reportedly going on deep below the New Mexico desert in an underground base. (S3, ep 3).

Lightning Strikes, Human Hibernation, Chinese Anchors: A man survives six lightning strikes, while a toddler is frozen solid and thawed unharmed. (S1, ep 7).

To Catch A Thief - Part 2: The Golds set up an elaborate sting to catch the thief that's in their midst. Who is it? And do they have enough evidence to involve the police? (S8, ep 13).

Politically Correct: Danny and Kevin work hard to acquire a 1971 Monte Carlo. But they are left in a sticky situation when the client can't pay up. (S1, ep 11).

Maxed Out: Danny teaches Dave and Mike a harsh lesson after they make a sneaky purchase behind his back. Later, Danny also runs into trouble after acquiring a Chevelle. (S1, ep 12).

Secrets Of The Mummies: Experts investigate the mysterious origins of mummification. Could this global practice be proof that aliens once visited Earth? (S7, ep 6).

Alien Messages: Could extraterrestrials have left us clues to the universe's mysteries? Experts investigate cryptic puzzles that might have been left by ancient aliens. (S7, ep 7).

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? (S8, ep 41).

Pawnocchio: The guys stumble upon a Cy Young baseball card from 1909, some rare handcrafted Pinocchio dolls and a harmonica that once belonged to Aerosmith's Steven Tyler. (S8, ep 13).

Hole In One: The Pawn Stars set their sights on a musket made by cotton gin inventor Eli Whitney. They also come across a golf ball owned by President Lyndon B Johnson. (S8, ep 14).

Fur Play: The mother lode of all containers makes landfall. Jason and Matt go all in, but will their hunches pay off? (S1, ep 10).

Naughty Hands & Crazy Pants: Brandon and Lori uncover a vintage machine filled with risque photos, before our buyers lock horns over what could be priceless artwork. (S2, ep 6).

Bowling for Billions: 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? (S2, ep 7).

Tipped Off: Customer drama is nothing new to the Golds, but when rumours emerge that an employee may be taking bribes, Ashley vows to get to the bottom of things. (S9, ep 4).

Redeem Girl Rumble: With employee relations not his strong suit, Seth tries to make amends by moving staff around. But his plan soon backfires. (S9, ep 5).

Busted: With their father/son relationship already on the rocks, a major miscommunication between Les and Seth threatens to land a key employee on the chopping block. (S9, ep 6).

Underwater Alien Bases: The team investigates what appear to be underwater landing strips and other strange evidence in the wake of UFO sightings in Florida. (S3, ep 5).

Cellular Memory, Ice Circles, Chimera: Check out a heart patient's unbelievable transformation, circles of ice in rivers and a shocking DNA test. (S1, ep 9).

Suffolk: Andy makes a startling discovery at the site of the Rendlesham UFO incident, before sending psychic Simi to investigate one of Britain's most haunted inns. (S1, ep 8).

Ripple Effect: This episode explores a catastrophic high-speed train crash in Spain, an out of control cruise liner in Venice, the Deepwater Horizon tragedy and more. (2 of 6).

Huddle Up: The team stumble on a souvenir of the Miami Dolphins' inaugural year and hear from a woman who claims she has unseen footage of President Frank D Roosevelt. (S8, ep 15).

Bear-Ly There: The Pawn Stars set their sights on an 1870s Volcanic pistol, stumble upon a rare World War II gas mask and negotiate a deal on a giant Steiff bear. (S8, ep 16).

Sin City Sucker Punch: 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? (S2, ep 8).

Now You See It, Now You Don't: 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. (S2, ep 9).

Aliens And The Civil War: Experts examine the link between aliens and the Civil War, exploring Abraham Lincoln's strange visions and ghostly images seen at Gettysburg. (S7, ep 10).

Hidden Pyramids: Experts investigate ancient man's apparent obsession with building pyramids, and whether extra-terrestrials may have helped with their construction. (S7, ep 11).

New. UFO Relic: The team examines the most compelling examples of UFO relics available, like a unique and other-worldly piece of metal in Missouri. (S3, ep 6).

Thousands of UFO sightings and abductions are reported every year. This series examines these accounts and casts new light on historic cases. (S1, ep 8).

Ufo Hotspots: Why do certain areas report a higher concentration of UFO sightings than others? Tony Harris investigates UFO hotspots around the globe. (S1, ep 3).

In 1973, Calvin Parker claimed he was abducted by aliens in Mississippi. Revisit his chilling story with new evidence and expert analysis. (S1, ep 2).

Explore some of the most mind-blowing UFO encounters of recent times, exposing new details behind hidden secrets, suppressed evidence and cover-ups.

A team of experts investigate some of the most well-known UFO cases of the last 75 years, hoping to uncover the truth. (S1, ep 1).

War Games: In 2023, David Grusch - a former US Intelligence Officer - testified to a US government committee that there are alien spacecrafts at secret facilities. (S1, ep 7).

Underwater Alien Bases: The team investigates what appear to be underwater landing strips and other strange evidence in the wake of UFO sightings in Florida. (S3, ep 5).

Bullet Proof Boobs, Amazing Coincidences, Directional Cows: Cows align with the Earth magnetic fields, and a young makes an incredible connection. (S1, ep 8).

Monster Deals: Seth and Ashley battle it out to see who can bring in more new customers to the store. (S9, ep 3).

Ultimate Challenge: Danny takes on an emotional project when he revamps a 1970 Dodge Challenger for a couple struggling to deal with cancer. (S1, ep 13).

You Talkin' To Me?: Danny 'The Count' Koker is back to restore, soup up and sell on more vintage and eye-catching cars. He begins with a classic Ford Galaxie. (S2, ep 1).

The Great Flood: Experts find evidence suggesting that ancient aliens saved humanity from great floods sent by the gods. Can we rely on extra-terrestrials to save us again? (S7, ep 8).

The Vanishings: Experts explore the disappearance of civilisations throughout time and across the globe. Could clues left in their wake point to an otherwordly explanation? (S7, ep 9).

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? (S8, ep 42).

Huddle Up: The team stumble on a souvenir of the Miami Dolphins' inaugural year and hear from a woman who claims she has unseen footage of President Frank D Roosevelt. (S8, ep 15).

Bear-Ly There: The Pawn Stars set their sights on an 1870s Volcanic pistol, stumble upon a rare World War II gas mask and negotiate a deal on a giant Steiff bear. (S8, ep 16).

Fishy Business: Jason gets the inside track on a container that could have him coasting to paradise. (S1, ep 11).

Sin City Sucker Punch: 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? (S2, ep 8).

Now You See It, Now You Don't: 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. (S2, ep 9).

Watch Your Back: When Les allows a $60,000 watch to walk out the door on a handshake agreement, Seth and Ashley flip out. (S9, ep 7).

American Jewellery & Zoo: Les makes a deal to get the kids off his back, but when some interesting animals come through the door, it might be too much for him to resist. (S9, ep 8).

Les Sells Out: Les has finally heard enough from Seth and Ashley about his bum watch deal and makes a bet to get the kids off his back. (S9, ep 9).

New. UFO Relic: The team examines the most compelling examples of UFO relics available, like a unique and other-worldly piece of metal in Missouri. (S3, ep 6).

The Hobbit, Limb Generation, Mind Over Matter: A look at the future of mind control, a extinct hobbit race and whether humans can regenerate our limbs. (S1, ep 10).

Wales: Andy tracks down the site of the original Stonehenge, meets a childhood witness of Wales' most famous UFO incident and takes part in a comedic hunt for the Welsh Wildman. (S1, ep 9).

House of Cards: A high-rise hotel under construction on a busy New Orleans street unexpectedly collapses, leaving citizens baffled. (3 of 6).

James Gang Rides Again: The Pawn Stars are presented with original photographs of Old West outlaw Jesse James and a Leslie organ speaker from the 1950s. (S8, ep 17).

Wild Thing: The guys check out a fighter plane flown in WWII. Plus, nostalgia strikes Rick when a 1974 VW Thing cruises by. Will his feelings affect his negotiating skills? (S8, ep 18).

This Can't Be: 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? (S2, ep 10).

Swollen Profits: A locker unleashes a swarm of more than just merchandise while Jesse throws down to win antiques. (S2, ep 11).

The Alien Agenda: Ancient alien theorists investigate evidence suggesting that extraterrestrials have played a pivotal role in the progress of mankind. (S7, ep 12).

Aliens And Robots: Experts investigate ancient tales and accounts of robots. If these sophisticated machines did exist in bygone days, what might have happened to them? (S8, ep 1).

Underwater Area 51: The team investigate the highly secretive underwater testing facility AUTEC, said to be used by the US Navy for weapons testing and underwater research. (S3, ep 8).

Thousands of UFO sightings and abductions are reported every year. This series examines these accounts and casts new light on historic cases. (S1, ep 9).

UFO Technology: Are UFOs spying on us? Do aliens have access to advanced technology? Tony Harris investigates compelling evidence of superior alien technology. (S1, ep 4).

Mysteries of Scotland: Home to mysterious stone circles, stories of strange beings and reported sightings, Scotland has always been an epicentre of otherworldly phenomena. (S16, ep 8).

The Top Ten Alien Influencers: Did a biblical patriarch receive instructions from 200 angels, and was Egypt's most controversial Pharaoh an extraterrestrial being? (S16, ep 1).

The Mystery Of Nazca: Giorgio Tsoukalos heads to Peru to investigate whether the strange symbols covering its desert floor are key to proving aliens once visited Earth. (S1, ep 9).

What's Up?: As the team launches the next phase of their investigation on Skinwalker Ranch, a daring helicopter experiment reveals numerous UFO phenomena. (S5, ep 1).

New. UFO Relic: The team examines the most compelling examples of UFO relics available, like a unique and other-worldly piece of metal in Missouri. (S3, ep 6).

Cellular Memory, Ice Circles, Chimera: Check out a heart patient's unbelievable transformation, circles of ice in rivers and a shocking DNA test. (S1, ep 9).

Busted: With their father/son relationship already on the rocks, a major miscommunication between Les and Seth threatens to land a key employee on the chopping block. (S9, ep 6).

Size Matters: Danny carries out a clever customisation on a motorcycle as he helps Brian, a pal with physical limitations, to feel the wind in his hair for the first time. (S2, ep 2).

Soap Box: The prospect of a Soap Box race car brings out the inner children in Roli and Mike. Can they build the perfect ride? (S2, ep 3).

Aliens And The Civil War: Experts examine the link between aliens and the Civil War, exploring Abraham Lincoln's strange visions and ghostly images seen at Gettysburg. (S7, ep 10).

Hidden Pyramids: Experts investigate ancient man's apparent obsession with building pyramids, and whether extra-terrestrials may have helped with their construction. (S7, ep 11).

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? (S8, ep 43).

James Gang Rides Again: The Pawn Stars are presented with original photographs of Old West outlaw Jesse James and a Leslie organ speaker from the 1950s. (S8, ep 17).

Wild Thing: The guys check out a fighter plane flown in WWII. Plus, nostalgia strikes Rick when a 1974 VW Thing cruises by. Will his feelings affect his negotiating skills? (S8, ep 18).

All That Glitters: A squabble over the contents of a mysterious container threatens to destroy Mo and Ty's partnership for good. (S1, ep 12).

This Can't Be: 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? (S2, ep 10).

Swollen Profits: A locker unleashes a swarm of more than just merchandise while Jesse throws down to win antiques. (S2, ep 11).

You Bet Your Butt: Seth and Ashley have betting on the brain and start the day with a wager that leaves one of them dressed to the nines. (S9, ep 10).

Homefront Heat: Ashley is livid when she gets cut out of a deal by Les and Seth and the battle spills onto the sales floor in a huge way. (S9, ep 11).

Strike Out: Sibling rivalry is at an all-time high between Seth and Ashley, and when she scores two baseball deals that are clearly outside her comfort zone, Seth cries foul. (S9, ep 12).

Underwater Area 51: The team investigate the highly secretive underwater testing facility AUTEC, said to be used by the US Navy for weapons testing and underwater research. (S3, ep 8).

Doomsday: On 8 April 2011, the FBI declassified decades of top secret government documents for the first time. Here, experts examine the possibility of the end of the world. (S1, ep 1).

Grand Canyon National Park: A strange series of events in Grand Canyon National Park leads researchers to speculate whether its power comes from forces that cannot be explained. (S1, ep 1).

Dorset: Andy heads to the home of palaeontology on the Jurassic Coast and braves the collapsing cliffs of Lyme Regis to bring back one of its many fossils. (S1, ep 10).

Doomed From the Start: Italy falls victim to one of the worst engineering disasters when the Morandi bridge suddenly collapses. (4 of 6).

Zoodoo: The guys question the value of a can of joke elephant manure and check out some signed presidential memoirs and a robot toy from the movie Forbidden Planet. (S8, ep 19).

Guns Blazing: One of the rarest guns in American history pops up in the Pawn Stars' shop, as well as a tyre that once belonged to NASCAR driver Dale Earnhardt. (S8, ep 20).

Business in a Box: The buyers come face to face with one of the strangest lockers ever seen, before a surprise sends a winning bidder through the roof. (S2, ep 12).

Hold Tight & Bid High: Buyers go head to head at an airport auction, Jesse gambles on a mystery box and Scott and Chrissy battle it out over a jet-fuelled jewel. (S2, ep 13).

Aliens B.C: Experts investigate whether the stories of a time when gods and otherworldly beings inhabited the planet are more than mere mythology. (S8, ep 2).

NASA's Secret Agenda: Experts investigate whether rocket scientist Wernher von Braun might have found inspiration in technology found at the alleged UFO crash in Roswell. (S8, ep 3).

The Silencers: UFOs are the biggest mystery of our time and somebody - or something - seems determined to keep it that way. (S3, ep 9).

Thousands of UFO sightings and abductions are reported every year. This series examines these accounts and casts new light on historic cases. (S1, ep 10).

UFOs at Sea: Journalist Tony Harris and his team of experts will present and analyse evidence of unidentified submerged objects and render a verdict. (S1, ep 5).

Join Andy McGrath on a captivating journey into British Ufology, uncovering notorious cases across the country.

Falkirk Triangle: With more than 300 UFO sightings each year, the people living within the Falkirk Triangle can't help but feel uneasy about the strange occurrences. (S1, ep 6).

In 1973, Calvin Parker claimed he was abducted by aliens in Mississippi. Revisit his chilling story with new evidence and expert analysis. (S1, ep 1).

In 1968, airmen in North Dakota spot a huge UFO over one of the US' most high security Air Force bases. Papua New Guinea village locals report strange objects in the sky in 1959. (S2, ep 5).

Underwater Area 51: The team investigate the highly secretive underwater testing facility AUTEC, said to be used by the US Navy for weapons testing and underwater research. (S3, ep 8).

The Hobbit, Limb Generation, Mind Over Matter: A look at the future of mind control, a extinct hobbit race and whether humans can regenerate our limbs. (S1, ep 10).

Les Sells Out: Les has finally heard enough from Seth and Ashley about his bum watch deal and makes a bet to get the kids off his back. (S9, ep 9).

Really Sweet: Danny and a generous dad plot to build the ultimate birthday gift. Later, the shop infuriates a customer by making a major design error on a scaled-down truck. (S2, ep 4).

Dream On: Count's Kustoms race to help Kevin's son when he gets in trouble on the race track. Plus, mad mechanic Gordon stops by with a machine that will blow the guys away. (S2, ep 3).

The Alien Agenda: Ancient alien theorists investigate evidence suggesting that extraterrestrials have played a pivotal role in the progress of mankind. (S7, ep 12).

Aliens And Robots: Experts investigate ancient tales and accounts of robots. If these sophisticated machines did exist in bygone days, what might have happened to them? (S8, ep 1).

Summer of Saucers: In 1947, there was an unprecedented wave of UFO sightings that propelled the UFO phenomenon to the world stage. What were the US Air Force's findings? (S4, ep 13).

Police Sightings: For many people, the most credible UFO reports are those raised by law enforcement. We investigate the most significant reports from police records. (S4, ep 14).

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. (S3, ep 9).

Government Cover Ups: Has the US Government been hiding the truth about aliens? Journalist Tony Harris and his team will evaluate compelling evidence. (S1, ep 1).

Extraterrestrial Evidence: Did a UFO land in Kansas? Tony Harris and his team of experts will investigate compelling evidence of alien visitations on Earth. (S1, ep 2).

Ufo Hotspots: Why do certain areas report a higher concentration of UFO sightings than others? Tony Harris investigates UFO hotspots around the globe. (S1, ep 3).

In 1973, Calvin Parker claimed he was abducted by aliens in Mississippi. Revisit his chilling story with new evidence and expert analysis. (S1, ep 1).

In 1973, Calvin Parker claimed he was abducted by aliens in Mississippi. Revisit his chilling story with new evidence and expert analysis. (S1, ep 2).

Wales: Craig Charles joins forces with world-renowned space journalist Sarah Cruddas to investigate some of the most perplexing UFO encounters of recent times. (S1, ep 1).

Rendlesham: Craig Charles joins forces with world-renowned space journalist Sarah Cruddas to investigate some of the most perplexing UFO encounters of recent times. (S1, ep 4).

Join Andy McGrath on a captivating journey into British Ufology, uncovering notorious cases across the country.

Discover never-before-seen truths about UFOs through revelations from those on the inside. Is the truth about another intelligence becoming undeniably clear.

Mysteries of Scotland: Home to mysterious stone circles, stories of strange beings and reported sightings, Scotland has always been an epicentre of otherworldly phenomena. (S16, ep 8).

The Top Ten Alien Influencers: Did a biblical patriarch receive instructions from 200 angels, and was Egypt's most controversial Pharaoh an extraterrestrial being? (S16, ep 1).

Bizarre UFO Shapes: A family captures a rectangular UFO, while experts analyse T-shaped and cylindrical objects to uncover the truth about UFOs. (S1, ep 6).

A look at the historical significance of an alien presence, as well as three specific paradigms - biblical, ascension and colonisation - that attempt to define the alien agenda.

In 1973, Calvin Parker claimed he was abducted by aliens in Mississippi. Revisit his chilling story with new evidence and expert analysis. (S1, ep 2).

Close Encounters: Close encounters come in many different forms, from sightings to abductions. Meet the real people who have experienced alien life up close. (S1, ep 13).

The Carp, Ontario UFO case is one of the most controversial in history. For some, it's incontrovertible proof that UFOs exist. For others, it's an elaborately staged hoax.

A Russian Infantryman sees mysterious lights in a Chechnyan forest, while an intrepid Air Force engineer investigates the government's cover-up of UFOs. (S1, ep 8).

Wales: Craig Charles joins forces with world-renowned space journalist Sarah Cruddas to investigate some of the most perplexing UFO encounters of recent times. (S1, ep 1).

Rendlesham: Craig Charles joins forces with world-renowned space journalist Sarah Cruddas to investigate some of the most perplexing UFO encounters of recent times. (S1, ep 4).

Second Skin: To enter space, humans require a space suit. Are the aliens that are said to have visited earth any different? Or are they more akin to artificial drones? (S4, ep 1).

The Shoot Down Order: Jets are scrambled to intercept a UFO, but find they are unable to complete their Shoot Down Order. (S4, ep 5).

Mass Sightings: While many UFO sightings occur in rural locations with only a single eyewitness, there have been sightings over cities witnessed by hundreds. (S4, ep 16).

Mars: The New Frontier: With science closer than ever to proving that life once lived on Mars, is there a chance that something still exists there? (S4, ep 17).

UFO Technology: Are UFOs spying on us? Do aliens have access to advanced technology? Tony Harris investigates compelling evidence of superior alien technology. (S1, ep 4).

UFOs at Sea: Journalist Tony Harris and his team of experts will present and analyse evidence of unidentified submerged objects and render a verdict. (S1, ep 5).

Bizarre UFO Shapes: A family captures a rectangular UFO, while experts analyse T-shaped and cylindrical objects to uncover the truth about UFOs. (S1, ep 6).

The Black Knight: Is the satellite in Earth's orbit that astronauts discovered in 1998 the same one that Nikola Tesla detected back in 1899? (S1, ep 3).

The Wonders of the Universe: It is likely that aliens exist in a universe as large as ours. How would they navigate those vast distances and potentially visit us on earth? (S1, ep 12).

Mysteries of Scotland: Home to mysterious stone circles, stories of strange beings and reported sightings, Scotland has always been an epicentre of otherworldly phenomena. (S16, ep 8).

The Top Ten Alien Influencers: Did a biblical patriarch receive instructions from 200 angels, and was Egypt's most controversial Pharaoh an extraterrestrial being? (S16, ep 1).

Explore some of the most mind-blowing UFO encounters of recent times, exposing new details behind hidden secrets, suppressed evidence and cover-ups.

UFOs and Native Americans: Native American myths steeped in the otherworldly go back thousands of years, but new evidence and modern-day UFO sightings have experts rethinking. (S2, ep 7).

UFOs vs the Royal Airforce: The Royal Airforce has been encountering UFOs on a regular basis since World War II, but the British government has consistently denied the sightings. (S2, ep 8).

American UFO Cover-ups: UFOs have been caught on camera across the US, yet the government denies the existence of extraterrestrial life. Has the military been keeping secrets? (S2, ep 9).

Temples of Gold: UFO experts investigate whether the value, reverence and desire for gold is the result of extraterrestrial landings in the ancient past. (S2, ep 10).

Skinwalker's Evil Twin: When Andy Bustamante and Paul Beban visit the ranch that Robert Bigelow owned alongside Skinwalker, they encounter the same entity that drove him away. (S2, ep 1).

What's Up?: As the team launches the next phase of their investigation on Skinwalker Ranch, a daring helicopter experiment reveals numerous UFO phenomena. (S5, ep 1).

The UFO Files: In this special, Tony Harris reviews the latest developments and most compelling photographic evidence from a tumultuous year of UFO revelations. (S4, ep 8).

60 years on, Tony's close encounter has become an obsession. Meanwhile, pilot David presents photographic evidence of the UFO he almost crashed into whilst flying near area 51. (S1, ep 1).

Adam, Gwen and Julie recall personal encounters with UFOs, before experts' theories are put in doubt when we learn that each individual has time missing from their encounters. (S1, ep 2).

Join Andy McGrath on a captivating journey into British Ufology, uncovering notorious cases across the country.

UFOs over LA: February 1942, and the sky over Los Angeles erupts as anti-aircraft guns begin firing on strange targets. Could this have been an extraterrestrial raid? (1 of 6).

UFOs Crash Sites: Alien autopsies and recovered pieces of an extra-terrestrial spacecraft: this is the story of the Roswell incident and the truth behind the UFO. (4 of 6).

UFOs and Native Americans: Native American myths steeped in the otherworldly go back thousands of years, but new evidence and modern-day UFO sightings have experts rethinking. (S2, ep 7).

UFOs vs the Royal Airforce: The Royal Airforce has been encountering UFOs on a regular basis since World War II, but the British government has consistently denied the sightings. (S2, ep 8).

American UFO Cover-ups: UFOs have been caught on camera across the US, yet the government denies the existence of extraterrestrial life. Has the military been keeping secrets? (S2, ep 9).

Temples of Gold: UFO experts investigate whether the value, reverence and desire for gold is the result of extraterrestrial landings in the ancient past. (S2, ep 10).

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? (S8, ep 44).

Zoodoo: The guys question the value of a can of joke elephant manure and check out some signed presidential memoirs and a robot toy from the movie Forbidden Planet. (S8, ep 19).

Guns Blazing: One of the rarest guns in American history pops up in the Pawn Stars' shop, as well as a tyre that once belonged to NASCAR driver Dale Earnhardt. (S8, ep 20).

Blow a Casket: The Israelis form an unexpected alliance that threatens to bury their competition. (S1, ep 13).

Business in a Box: The buyers come face to face with one of the strangest lockers ever seen, before a surprise sends a winning bidder through the roof. (S2, ep 12).

Hold Tight & Bid High: Buyers go head to head at an airport auction, Jesse gambles on a mystery box and Scott and Chrissy battle it out over a jet-fuelled jewel. (S2, ep 13).

Les Goes Down: Les is called to action when customers start brawling in the car park before the doors have even opened. (S9, ep 13).

The Return of the King: Follow the quirky day-to-day operations of American Jewelry and Loan, a family-owned and operated pawn shop in Detroit, Michigan. (S10, ep 1).

The Trouble With Michael: Seth ignores Ashley's desire to ban a troublesome customer. Will his decision put the shop at risk? Les commissions an unbelievable masterpiece. (S10, ep 2).

The Silencers: UFOs are the biggest mystery of our time and somebody - or something - seems determined to keep it that way. (S3, ep 9).

Mind Control: From the Cold War to the TV set, experts question whether the government is actively controlling what you think, how you act and what you believe. (S1, ep 3).

Everglades National Park: A plane crash in the Everglades National Park leads to strange hauntings - and some believe the park may exert a dark, transformative power. (S1, ep 2).

London: Andy visits Britain's oldest shop, drinks coffee with a corpse and discovers a 19th-century time machine hidden in an urban cemetery. (S1, ep 12).

Hidden Flaws: When a DC-10 aeroplane explodes mid-flight over Iowa, the quick-thinking pilot saves 184 passengers. But what caused such a huge disaster? (5 of 6).

Pawn With The Wind: The guys are thrilled when a $1 bill signed by Clark Gable arrives. An item from Ulysses S. Grant's funeral also finds its way into Rick's hands. (S8, ep 21).

Pawn of Fire: A model train, allegedly owned by 'The Man in Black' Johnny Cash rolls into the shop. Is the train worth adding to Rick's rock'n'roll collection? (S17, ep 1).

Stormy Waters: With Sean as the captain, the biggest of the big-time bidders head to Marina Del Rey in search of true nautical treasures. (S2, ep 14).

Men at War: Our buyers throw down to win a locker packed with recreational equipment and what looks like a hidden tractor. (S2, ep 15).

Alien Evolution: A look at the accounts of modern-day alien abductees. Plus, could the bizarre Paracas skulls discovered by Julio Tello be of extraterrestrial origin? (S8, ep 5).

The Other Earth: Ancient Alien theorists explore world mythology as they investigate whether extraterrestrials could be responsible for our existence. (S8, ep 6).

Area 52: Area 51 is considered the ultimate top secret facility, but there is another military site, known as Area 52, where strange phenomena have been witnessed for 10 years. (S3, ep 10).

Business in a Box: The buyers come face to face with one of the strangest lockers ever seen, before a surprise sends a winning bidder through the roof. (S2, ep 12).

Hold Tight & Bid High: Buyers go head to head at an airport auction, Jesse gambles on a mystery box and Scott and Chrissy battle it out over a jet-fuelled jewel. (S2, ep 13).

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? (S8, ep 45).

Holy Cow: While shocking events take place in the same location that the team has witnessed UAPs fly in and out of the Mesa, a cow dies under disturbing circumstances. (S5, ep 2).

Go Bigelow or Go Home: Andy and Paul dig deeper into the mystery of the possible alien spacecraft buried at Mt Wilson ranch - but their investigation is interrupted. (S2, ep 2).