The Gallery 63 crew auction off a John Wayne commemorative gun collection and have a friendly wager with an '80s-era Omnibot 2000 robot. (S3, ep 6).

The Tesla Experiment. Giorgio A Tsoukalos draws on evidence from past series as he asks whether Nikola Tesla was communicating with extraterrestrials. (S1, ep 3).

Giorgio Tsoukalos draws on evidence from past series as he asks whether aliens introduced the Greeks and Egyptians to electricity. (S1, ep 4).

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? (S9, ep 72).

A ceramic owl made by Pablo Picasso sends Rick cock-a-hoot. Meanwhile, Beatlemania takes over the shop as a Yellow Submarine poster arrives on the counter.

Ton and Allen jet to the Hawaiian islands where they're joined by a new assistant. The team uncover a pair of James Bond-style gadgets and a vintage sledge. (S3, ep 23).

King Darrell strives to defend his throne, but Rene and Casey signal their intentions to undermine his plans. Meanwhile, Kenny gets bowled over by his locker. (S14, ep 9).

Barry turns up to auction armed with a present for a certain hustler. Meanwhile, Brandi and Bozek get a firm grip on a smaller unit. (S14, ep 10).

There's trouble in the shop as a woman catches her boyfriend secretly trying to flog her ring. Plus, Les lays his hands on some priceless rock memorabilia. (S7, ep 5).

Les is tempted to break one of the pawn shop's biggest rules, when a fast-talking client catches him off guard. (S7, ep 6).

Les ignores Ashley's cries to up security after she finds a potential robber hiding in the shop fridge. It's a move he may regret come nightfall. (S7, ep 7).

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).

A mysterious creature is discovered in Russia, a possible genetic experiment goes wrong and a fire has a mind of its own. (S2, ep 7).

A baby shark develops an eerie, humanlike face. Meanwhile, a possible alien invasion takes place over Lake Superior. (S2, ep 8).

Few know that one of the US's most mysterious National Parks is in Puerto Rico - a place some believe is home to a creature known as the Chupacabra. (S1, ep 7).

Many believe Gettysburg National Military Park is haunted by its violent past - here, explore some incredible claims about the park's history. (S1, ep 8).

Every legend is built on a kernel of truth. The Pacific Northwest is where over 70% of Bigfoot sightings occur but could there be a hotspot in New England? (S1, ep 5).

A special cowboy hat owned by none other than Ronald Reagan arrives on Rick's lap. Meanwhile, an eye-catching Pearl Jam painting causes a stir in the shop.

Lisa dons her cowboy gear and brings her money sock along, while Rene sinks his teeth into an unassuming unit and Brandi goes on a scavenger hunt. (S14, ep 11).

Rene and Casey roll the dice on some sealed totes in San Bernardino, while Kenny stumbles over some odd-looking car parts and Lisa shields herself from disaster. (S14, ep 12).

Experts on the extraterrestrial investigate the possibility of the religious relic being an alien artefact. (S1, ep 7).

Can unexplained advances in human evolution be attributed to alien architects? Alien theorists look at the evidence. (S1, ep 8).

Are UFOs a threat to civil aviation? The culture of silence within the aviation industry could speak volumes. (5 of 6).

King Darrell strives to defend his throne, but Rene and Casey signal their intentions to undermine his plans. Meanwhile, Kenny gets bowled over by his locker. (S14, ep 9).

Barry turns up to auction armed with a present for a certain hustler. Meanwhile, Brandi and Bozek get a firm grip on a smaller unit. (S14, 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? (S9, ep 73).

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).

Physical evidence of alien activity has been hidden from the public for years - but it is starting to be revealed. (S1, ep 11).

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).

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 9).

Experts open previously off-limits files in a bid to answer some of the most mysterious questions surrounding UFOs and extra-terrestrial life. (S1, ep 7).

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).

A large black creature emerging from a family's toilet could be some kind of mythical creature. An astronaut spots something intriguing. (S2, ep 5).

Could a breed of dogs have the power to freeze time? Do invisibility cloaks really exist? The team examine the videos and reach a verdict. (S2, ep 6).

An electric chair gives Rich the chance to curry favour with Les. Seth hatches a scheme that could make a fortune for the store. But will it work in practice? (S7, ep 2).

The crew auction off a Rick Fairless custom chopper. A gas-powered blender inspires a margarita-making contest. (S3, ep 7).

The Gallery 63 crew auction off a 1907 Edison Morning Glory Phonograph and a mysterious Mercedes. (S3, ep 8).

The Mystery of Puma Punku. Experts in the extra-terrestrial examine the Inca ruin and its mysteriously intricate carved blocks. (S1, ep 5).

Could some of our ancient texts and structures be home to secret messages left by alien ancestors? If so, what can we learn from them? (S1, ep 6).

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? (S9, ep 73).

A special cowboy hat owned by none other than Ronald Reagan arrives on Rick's lap. Meanwhile, an eye-catching Pearl Jam painting causes a stir in the shop.

Allen and Ton and their friends battle local buyers. The guys find a WWII-era motor scooter and a stash of antique Polynesian tattoo tools. (S3, ep 24).

Lisa dons her cowboy gear and brings her money sock along, while Rene sinks his teeth into an unassuming unit and Brandi goes on a scavenger hunt. (S14, ep 11).

Rene and Casey roll the dice on some sealed totes in San Bernardino, while Kenny stumbles over some odd-looking car parts and Lisa shields herself from disaster. (S14, ep 12).

Les can't stop buying, even though the store room is piled sky-high. In danger of being dubbed a hoarder, he faces big pressure to make some sales. (S7, ep 8).

Les gets excited over a jar of powdered gold. He believes it's worth thousands. But is it valuable or just eyeshadow? An explosive acid test reveals all. (S7, ep 9).

The shop lands itself in trouble when a customer calls in their lawyer to settle a huge row over a fake receipt. Fortunately, Les has a trick up his sleeve. (S7, ep 10).

Are UFOs a threat to civil aviation? The culture of silence within the aviation industry could speak volumes. (5 of 6).

A potential real-life iron man is spotted flying through the skies of Los Angeles, while aliens set up base at the North Pole. (S2, ep 9).

Could mysterious lights under the surface of Earth's deepest lake be connected to extraterrestrial life? Tony Harris and his team investigate. (S2, ep 10).

A series of incidents in Big Bend National Park leave experts convinced of secret alien activities taking place there. (S2, ep 1).

Discover the forces living in the secret underworld of Death Valley National Park, where a series of deaths and disappearances have taken place. (S2, ep 2).

The team looks into claims that the US government is creating mind-controlled super soldiers, and seeks out the origins of the hacker group ANONYMOUS. (S1, ep 6).

When an early handheld video game system comes into play, Corey tries his utmost to make a deal.

Ivy does his utmost to intimidate the other buyers in Lancaster, while Brandi gives in to Bozek and Dusty goes up against the King to prove a point. (S14, ep 13).

Barry uses a little-known tactic to snatch up a locker and it ties him up in knots. Meanwhile, Brandi shops in the bargain basement and Ivy lands a sizeable unit. (S14, ep 14).

Shatner meets with leading experts to ask some of the most pressing questions about human origins, the cosmos, archaeology and otherworldly beings.

Fighter pilots from the UK to Peru have encountered UFOs. What happens when a UFO gets too close for comfort? (6 of 6).

Lisa dons her cowboy gear and brings her money sock along, while Rene sinks his teeth into an unassuming unit and Brandi goes on a scavenger hunt. (S14, ep 11).

Rene and Casey roll the dice on some sealed totes in San Bernardino, while Kenny stumbles over some odd-looking car parts and Lisa shields herself from disaster. (S14, ep 12).

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? (S9, ep 74).

The Salem witch trials finally begin with the case against Bridget Bishop. Her death by hanging is not enough to quell the hysteria, though. (3 of 4).

The witch trials are suddenly halted when the Massachusetts elite are accused of witchcraft. As the prisoners are freed, Salem must deal with the aftermath. (4 of 4).

Uncovering the mystery of an ancient stone object with unique markings and a cat mummy with no cat inside. (S2, ep 1).

Strange sounds emanating from sand dunes in the Mongolian desert are investigated, while the ruins of a lost Roman city may have been found. (S1, ep 6).

Are UFOs a threat to civil aviation? The culture of silence within the aviation industry could speak volumes. (5 of 6).

A mysterious creature is discovered in Russia, a possible genetic experiment goes wrong and a fire has a mind of its own. (S2, ep 7).

A baby shark develops an eerie, humanlike face. Meanwhile, a possible alien invasion takes place over Lake Superior. (S2, ep 8).

There's trouble in the shop as a woman catches her boyfriend secretly trying to flog her ring. Plus, Les lays his hands on some priceless rock memorabilia. (S7, ep 5).

The Gallery 63 crew auction off a collection of vintage scrimshaw and a 1985 Rolls-Royce Silver Spur. Colonel Oliver North visits. (S3, ep 9).

The Gallery 63 crew auction off a gangster-worthy 1937 Hudson Terraplane car. The Garretts pick up a Spark-Jump Cigar lighter. (S3, ep 10).

Experts on the extraterrestrial investigate the possibility of the religious relic being an alien artefact. (S1, ep 7).

Can unexplained advances in human evolution be attributed to alien architects? Alien theorists look at the evidence. (S1, ep 8).

The auction action moves to Dallas. After Kenny Stowe flashes his fat wallet, Bubba takes him on in a bidding battle to remember. (S6, ep 4).

Big egos clash on the fierce bidding battleground of Fort Worth. Cowboy Matt and Kenny go to war over an abandoned unit of furniture. (S6, ep 5).

In Plano, a locker of mixed martial arts gear puts Kenny in a compromising position. Meanwhile, Mary shows her ambition and Jenny dares to get devious. (S6, ep 6).

The auction action in Fort Worth inspires hot blood and sharp tongues as Bubba, Kenny and Matt go head to head. (S6, ep 7).

The war against pythons invading the Everglades begins as Troy Landry, his son Chase and snake expert Bill uncover the sepents' breeding grounds. (S2, ep 1).

With just three weeks left in the season, the fleet learns that they will be facing major storms over the next few days. (S6, ep 10).

Mack brings his old man on a trip, while Greg hauls all 800 of his traps to prep for spring. Plus, Gail makes her biggest sale of the season. (S1, ep 8).

Is Bigfoot a terrifying myth or a real violent creature? The MonsterQuest team investigates, heading into the wild to examine the evidence. (S1, ep 4).

A deadly shockwave hurtles towards a terrified driver. An alien signal rises from a deep ocean abyss, and a bizarre glowing orb swoops along a remote forest road. (S1, ep 9).

A tunnel gains a terrifying reputation when hundreds of vehicles crash, seemingly without cause. Meanwhile, a strange creature is witnessed following a nuclear accident. (S1, ep 10).

Giorgio Tsoukalos takes a closer look at the evidence as he asks whether Earth's stone monoliths were built with extra terrestrial help. (S1, ep 2).

The Tesla Experiment. Giorgio A Tsoukalos draws on evidence from past series as he asks whether Nikola Tesla was communicating with extraterrestrials. (S1, ep 3).

Giorgio Tsoukalos draws on evidence from past series as he asks whether aliens introduced the Greeks and Egyptians to electricity. (S1, ep 4).

The Mystery of Puma Punku. Experts in the extra-terrestrial examine the Inca ruin and its mysteriously intricate carved blocks. (S1, ep 5).

Shatner meets with leading experts to ask some of the most pressing questions about human origins, the cosmos, archaeology and otherworldly beings.

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).

Physical evidence of alien activity has been hidden from the public for years - but it is starting to be revealed. (S1, ep 11).

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).

When a plume of smoke suddenly erupts from the ground, experts investigate if this event is evidence of a volcano beneath the streets of New York. (S3, ep 5).

Is Bigfoot a terrifying myth or a real violent creature? The MonsterQuest team investigates, heading into the wild to examine the evidence. (S1, ep 4).

Diabolical spirits torture unsuspecting targets, a mother and daughter become the victims of a family curse and a boy is attacked by an unseen force. (S1, ep 10).

For Erin, working at a hospital is a dream come true - until she sees her patients being attacked by the spirit of an evil ex-nurse. (S2, ep 10).

Cindy Goldenberg communicates with deceased loved ones, spirit guides and angels, and has extensive experience with clients being haunted by ghosts. (S1, ep 3).

Les takes a customer's word on an item and forks out wads of cash to make it his. Later, Ashley makes a discovery that leaves him looking like a fool. (S6, ep 10).

Les demands blood after a member of Seth's team makes a mistake. Unwilling to turn the culprit over, Seth is forced to take a stand against his father. (S6, ep 11).

Les is furious to find broken merchandise in the pawn shop and throws the book at his staff. He issues a threat for the next person who steps out of line. (S6, ep 12).

Tensions run high after Les threatens to fire the next employee. It's Rich who makes the fatal error, leading to the biggest showdown in the history of the store. (S6, ep 13).

After his sacking last series, Rich returns to the shop in a last-ditch effort to win back his job. Seth continues his attempt to takeover the store. (S7, ep 1).

An electric chair gives Rich the chance to curry favour with Les. Seth hatches a scheme that could make a fortune for the store. But will it work in practice? (S7, ep 2).

Pawn shop owner Les hears a killer story from a group of clients. But are they to be trusted? Later, he also makes a very important discovery. (S7, ep 3).

Seth is shocked when Les brings back ex-pawn shop employee Amy. He later spots a mistake that could cost the store thousands of dollars. Is she to blame? (S7, ep 4).

There's trouble in the shop as a woman catches her boyfriend secretly trying to flog her ring. Plus, Les lays his hands on some priceless rock memorabilia. (S7, ep 5).

Les is tempted to break one of the pawn shop's biggest rules, when a fast-talking client catches him off guard. (S7, ep 6).

What would happen if a UFO did land on Earth and humans found it? Engineers create a 'spaceship' to see how alien technology could work. (S1, ep 14).

Laser weapons and tele-transporters would probably all be fitted to an alien spaceship, but what if they could be used by humans too? (S1, ep 15).

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 9).

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).

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. (1 of 2).

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. (2 of 2).

A crack team investigate the mysteries surrounding the life and work of Nikola Tesla, and hunt for files said to have been confiscated by the US government. (S1, ep 1).

The team heads to Colorado Springs to search for the remains of Nikola Tesla's mysterious laboratory. (S1, ep 2).

The team investigates Nikola Tesla's final residence, The New Yorker Hotel, and find incredible evidence that it served as much more than a home. (S1, ep 3).

The team investigate a link between Tesla's last patent and one of the Air Force's most advanced aircrafts. (S1, ep 4).

Marc, Jason and Travis follow the trail back to New York where they discover traces of a shadow government bent on keeping Nikola Tesla's files secret. (S1, ep 5).

Explore and tackle the great unsolved mysteries of our world. Generations from now, their obscured truths will provide fertile ground for myth-making. (S1, ep 6).

The fellowship are certain that they are closer than ever to an offset chamber as the drilling operation in the garden shaft finally gets underway. (S10, ep 16).

The story of Cleopatra Selene, the little-known daughter of Cleopatra and Antony, who witnessed her dynasty collapse but survived to become a great queen. (S1, ep 3).

What can preserved swords from the Battle of Castillon in 1453 tell us about the Hundred Years' War? (S3, ep 3).

Ross goes in search of wrecks that help tell the story of D-Day and discovers that winning wasn't just a case of superior power, but also ingenuity. (S1, ep 4).

Kevin goes diving in the Atlantic Ocean to explore a battleship that saved the Northern Navy in the American Civil War. (S2, ep 4).

The story of what happens when computers fail and pilots are left flying blind in the dark. Simple error and lack of training can have deadly consequences. (S1, ep 4).

What would happen if a UFO did land on Earth and humans found it? Engineers create a 'spaceship' to see how alien technology could work. (S1, ep 14).

Laser weapons and tele-transporters would probably all be fitted to an alien spaceship, but what if they could be used by humans too? (S1, ep 15).

The Gallery 63 crew auctions off a Civil War document signed by Abraham Lincoln. The Garrett brothers bring in a rare Harley-Davidson. (S3, ep 2).

The Gallery 63 crew auctions off Elvis's gold and diamond bracelet, and sterling silver replicas of Columbus's three ships. (S3, ep 3).

The Gallery 63 crew auctions off a naval cannon believed to be from the 17th century Spanish Armada, and a deed signed by the sixth President. (S3, ep 4).

The Gallery 63 crew are back with a star-spangled 1917 T-Bucket Roadster. (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? (S9, ep 74).

When an early handheld video game system comes into play, Corey tries his utmost to make a deal.

The team goes on the attack and ends up on a collision course with a veteran auction buyer. They also uncover some speedy off-road vehicles. (S3, ep 25).

Ivy does his utmost to intimidate the other buyers in Lancaster, while Brandi gives in to Bozek and Dusty goes up against the King to prove a point. (S14, ep 13).

Barry uses a little-known tactic to snatch up a locker and it ties him up in knots. Meanwhile, Brandi shops in the bargain basement and Ivy lands a sizeable unit. (S14, ep 14).

Ashley challenges Seth to a unique competition in the pawn shop. Should he lose, the world will hear the one thing he's been fighting to keep a secret. (S7, ep 11).

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).

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).

Few have ever heard of the top-secret base in the deserts of Utah known as Area 52, but reports of UFOs have convinced people that the US military is keeping secrets. (S1, ep 1).

For decades, extraterrestrial research has been directed to the skies - but researchers believe that UFOs may also be inhabiting our oceans. (S1, ep 2).

Uncover new evidence pointing to the possibility that ancient man was visited by extraterrestrials, influencing architecture, art and more. (S1, ep 4).

From the lore and history of ancient Egypt to the myths of Native Americans, mankind's past is riddled with the evidence of UFOs. (S1, ep 5).

Many believe that extraterrestrial secrets are not just limited to the military - so could deathbed confessions provide evidence of the existence of UFOs? (S1, ep 6).

New. A look at decades of reports of mysterious objects, creatures and enigmatic beings seemingly not of this Earth.

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

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).

Through records in historical texts, oral tradition and folklore, William Shatner explores how a once-thriving community becomes a lost city. (S3, ep 30).

For over 100,000 years, humans have laid the dead to rest. But is it possible for some practises to preserve the soul for eternity? (S3, ep 31).

Scientists in England conduct groundbreaking séances, while someone returns from the grave. (S2, ep 2).

A high-rise window washer somehow survives a 50-storey fall and ball-sized ice chunks fall from the sky. (S1, ep 1).

Fighter pilots from the UK to Peru have encountered UFOs. What happens when a UFO gets too close for comfort? (6 of 6).

A potential real-life iron man is spotted flying through the skies of Los Angeles, while aliens set up base at the North Pole. (S2, ep 9).

Could mysterious lights under the surface of Earth's deepest lake be connected to extraterrestrial life? Tony Harris and his team investigate. (S2, ep 10).

Les can't stop buying, even though the store room is piled sky-high. In danger of being dubbed a hoarder, he faces big pressure to make some sales. (S7, ep 8).

The Gallery 63 crew take in an autographed drumstick collection that drummer Cindy is loathe to part with. (S3, ep 11).

The Gallery 63 crew auction off a 1945 NFL program, a Star Trek USS Enterprise model kit, and a vintage Barbie. (S3, ep 12).

Shatner meets with leading experts to ask some of the most pressing questions about human origins, the cosmos, archaeology and otherworldly beings.

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? (S9, ep 75).

A vintage Harley T-shirt makes Corey go wild, while Rick and Chum head to California to take a peek at a mind-blowing Disney collection.

The Auction Hunters team goes toe-to-toe with Ton's evil twin! They find gold bars, and a medieval catapult designed for storming castles. (S3, ep 26).

The big guns come out in Riverside, but Rene isn't having any of it. Darrell pushes his luck with a smaller locker and makes a neat profit. (S14, ep 15).

Kenny rides a recent string of luck right into his unit, while Rene puts his bankroll up against a pair of safes. (S14, ep 16).

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).

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).

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).

The story behind the breath-taking temple complex, which is located in Cambodia and is the largest religious monument in the world.

Built in 537, this is a walk-through the stunning place of worship located in Istanbul, Turkey.

A look at the world's largest art museum, located in Paris, France and the home of the Mona Lisa.

A walk through the iconic mausoleum complex, located in India and commissioned in 1632 by the Mughal emperor Shah Jahan to house the remains of his beloved wife.

Rick and Beau return to tackle new rivers in a brand-new series. From Wales to Scotland, the pair investigate the cold and murky waters of historic sites. (1 of 3).

Rick and Beau return to tackle new rivers in a brand-new series. From Wales to Scotland, the pair investigate the cold and murky waters of historic sites. (2 of 3).

Rick and Beau return to tackle new rivers in a brand-new series. From Wales to Scotland, the pair investigate the cold and murky waters of historic sites. (3 of 3).

The team search for remains of the crashed WWII Spitfire and discover parts of the cockpit. (1 of 4).

Alice Roberts shares archaeological discoveries from the west of the UK, including a Roman bath house and a German camp. (2 of 4).

Finds from the East include a monument as old as Stonehenge and some disturbing Roman burials. (3 of 4).

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

Many people are afraid of touching cursed objects or visiting cursed places, but are curses actually real? And if so, how are they triggered? (S3, ep 32).

Is the legend of King Arthur and its impact on Western culture testament to the power of myth? Or was it nothing more than a mixture of cultures? (S3, ep 19).

A fisherman uncovers the remains of an unidentified sea creature on a beach, and a hairy creature causes panic in New Delhi. (S2, ep 3).

A look at a mysterious medieval manuscript and Egyptian mummies containing cocaine from Peru. (S1, ep 3).

Join Philip Mantle, Britain's most renowned UFO investigator, as he attempts to discover what really happened in 1841 in the desert of Roswell. (1 of 4).

Something strange washes up on a New York beach, baby monitors reveal ghostly activity in a nursery, and a UFO shows up in a Russian town. (S1, ep 3).

Ashley challenges Seth to a unique competition in the pawn shop. Should he lose, the world will hear the one thing he's been fighting to keep a secret. (S7, ep 11).

The Gallery 63 crew auctions off a plank cannon from the French and Indian War, and a 20ft Gibson guitar owned by country legend Travis Tritt. (S3, ep 13).

Gallery 63 is auctioning off a confederate sword, motorised bar stool, and a rare thousand dollar bill. (S3, ep 14).

It is humankind's most profound achievement: blasting off into the stars. But is it possible that our voyages into the cosmos are really a return to our true origins.

Since the 20th century, scientists, journalists and investigators have been documenting UFOs. Today, there is even more proof of extraterrestrial visitation.

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? (S9, ep 76).

A Guns N' Roses-mad collector box rocks into the shop. Will Corey end up in Paradise City or out in the cold November rain.

Ton and Allen discover owning a pawn shop is tough! Even with great finds like an antique ammo collection and some classic football helmets. (S4, ep 1).

Tempers flare when recently separated Brandi and Jarrod find themselves at the same auction. (S13, ep 1).

The King of Montebello can't wait to see what he can drum up this time around. Rene sniffs out a great locker, taking ruthless measures to get it. (S13, ep 2).

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).

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

It's young versus old as Les and Ashley compete to find the vintage item that will bring in the most cash. Seth faces off with a troublesome client. (S8, ep 6).

The SS Normandie entered service in 1935 and remains the most powerful steam turbo-electric-propelled passenger ship ever built. (1 of 6).

Renowned for its sheer power, the awe-inspiring Queen Elizabeth is the Royal Navy's lead ship and largest ever constructed. (2 of 6).

An ocean liner that saw it all, including World War II, SS Rex was a one-of-a-kind Italian ship but was ultimately left abandoned. Discover why here. (4 of 6).

Discover the fate of the SS Cap Arcona, a former luxury ship turned prisoner transport vessel that became the target of an RAF squadron attack. (5 of 6).

A journey to the Black Sea's depths reveals the greatest series of ancient shipwreck ever found, including one of the most astonishing finds in maritime archaeology's history. (1 of 2).

The quest to the Black Sea's depths throws up more extraordinary shipwrecks, including one of the most astonishing finds in maritime archaeology's history. (2 of 2).

Uncover the story of the SS Atlantic's deadly 1873 crash through intriguing stories and 3D recreations of the wreck. (S1, ep 1).

With 3D recreations of the wreck, discover the story of the ship said to have sailed ablaze within the Northumberland Strait. (S1, ep 2).

When the SS Mont-Blanc and the SS Imo collided in 1917 in the harbour of Halifax, Canada, the subsequent explosion killed or injured almost 11,000 people. (S1, ep 3).

For decades, residents in Nova Scotia have reported munitions washing up on their shores - believed to have come from the wreck of the SS Clare Lilley. (S1, ep 4).

William Shatner examines some of the world's stunning displays of natural phenomena that are so spectacular - and strange - that they defy wisdom. (S3, ep 33).

Jack the Ripper's identity has eluded police, historians and armchair detectives for over a century. What do we know about the notorious killer? (S3, ep 21).

An adrenaline junkie and her unborn baby somehow survive when their parachute fails, and a firefighter is incinerated in his bed. (S2, ep 8).

Cows align with the Earth magnetic fields, and a young makes an incredible connection. (S1, ep 8).

The alien autopsy film added fuel to the Roswell mystery. Philip Mantle recaps his investigation into the film and the man who allegedly discovered it. (2 of 4).

Cameras capture a pyramid-shaped UFO over the Pentagon, a spook haunting a playground and strange creatures stalking California. (S1, ep 7).

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).

When a vintage Ms. Pac-Man arcade game is brought to Gallery 63 for auction, Paul wants to see who can score highest. (S3, ep 15).

The Gallery 63 crew take in a 1955 Ford Thunderbird valued at $50,000. Jon picks a turn-of-the-century toy cart. (S3, ep 16).

An investigation into amazing ancient sites built with acoustic purpose, indicating that their builders could have been aware of a harmonic code.

Peru - famous for its prehistoric ruins - is one of the most mysterious places on Earth - but could it also be a site of extraterrestrial visitation.

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? (S9, ep 77).

Rick and Chum kick it with a rare pair of Pumas from 1968. Plus, the gang are stunned by some of Marie Curie's lab notes and a Post Malone guitar.

Ton and Allen buy a rare comic worth over $100,000. The guys also uncover a Samurai sword used for ritual suicide. (S4, ep 2).

Dan and Laura are on the hunt for better units and better buyers. Rene tries to capitalise on warehouse sales and nabs a deal. (S13, ep 3).

Brandy and her buddy set the wayback machine and discover a roaring good time. Kenny makes a profit as he courts an unfamiliar pastime. (S13, ep 4).

With the warehouse overflowing, Seth mounts a plot to empty it behind Les's back. Can he risk betraying his father again? (S8, ep 7).

Seth goes against Les's advice and buys an old Chevy sign at Detroit's annual Dream Cruise event. Can he sell it and prove his father wrong? (S8, ep 8).

Les and Seth are forced to face up to the fact that Ashley's attitude is costing them business. A serial killer groupie brings in some scary paraphernalia. (S8, ep 9).

Documentary series exploring extreme weather events, using astonishing footage captured by eye-witnesses and revealing the personal stories of those who lived to tell the tale. (S2, ep 7).

Documentary series exploring extreme weather events, using astonishing footage captured by eye-witnesses and revealing the personal stories of those who lived to tell the tale. (S2, ep 10).

Documentary series exploring extreme weather events, using astonishing footage captured by eye-witnesses and revealing the personal stories of those who lived to tell the tale. (S2, ep 9).

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).

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

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).

Did powerful storms cause mass extinctions on Earth 65 million years ago? And would the modern world suffer the same fate? (S3, ep 1).

Could the biblical story of Noah be true? When oceans surged 8,000 years ago, water burst through the Bosporus Strait with catastrophic effects. (S3, ep 3).

Explore the events surrounding one of the worst aviation disasters in history, when 71 people died after two 747 cargo jets collided. (S3, ep 9).

A toxic chemical cloud from an industrial accident could jeopardise an entire community within minutes, putting the lives of thousands of people at risk. (S3, ep 11).

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).

Throughout history, many people have claimed to be able to see into the future - but what did their prophecies reveal? (S3, ep 34).

Scientists have forever been involved in a quest to understand the universe. But for each answer science provides, more questions arise. (S3, ep 22).

A woman is terrorised by an invisible attacker and a mother undergoes a violent and demonic transformation. (S2, ep 7).

Decoding Mayan texts, a physicist predicts a cataclysm will destroy the world. A NASA scientist makes an alien discovery. (S2, ep 4).

After decades of silence, startling new leaks thrust Roswell back into the spotlight. (3 of 4).

A Bigfoot sighting, a total sceptic is attacked by a spirit at a haunted fort in England, and ghostly passengers appear in a Hong Kong airport. (S1, ep 12).

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).

The dining set of the last Titanic survivor, Millvina Dean, is on the block at Gallery 63. (S3, ep 17).

The Gallery 63 crew auctions off chastity belts, thought to be from medieval times, and the Garrett brothers bring in a barber chair. (S3, ep 18).

Scientists now know that seven human-like species lived alongside Homo sapiens for thousands of years. But why is it that only humans survived? (S13, ep 7).

A look at Mount Shasta in northern California, which is rumoured to be a hotbed of strange events and otherworldly visitors from Bigfoot to UFOs.

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? (S9, ep 78).

Chum chases a lead on a 1963 Fiat Microcar. Meanwhile, Rick and Corey make a wager on a set of billiard balls and Rick examines the holy grail of coins.

Ton and Allen end up in a turf war at a Hollywood auction, and at odds with each other over whether to gamble on what could be an antique slot machine. (S4, ep 3).

Ivy and his son leave Moreno Valley with yo-yo's of an unexpected kind. Rene and Casey discover that their shoes are more 'air' and less 'Jordan.' (S13, ep 5).

The buyers hear of some interesting units in Santa Clarita. Kenny searches for his soul sister and Ivy and Isaiah choose quantity over quality. (S13, ep 6).

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).

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).

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).

David Suzuki joins leading experts as they investigate new details of Egypt's Great Pyramid of Giza, using immersive CGI imagery and unique access to ongoing new excavations. (1 of 2).

David Suzuki joins leading experts as they investigate new details of Egypt's Great Pyramid of Giza, using immersive CGI imagery and unique access to ongoing new excavations. (2 of 2).

Witness the truth behind the Ancient Egyptian superpower we know today as experts dive into the history of their iconic monuments and strong leaders. (S2, ep 1).

Explore the Ancient Egyptians' obsession with death and the afterlife by using cutting-edge new science to expose secret artefacts and rituals. (S2, ep 2).

Using cutting-edge science, experts unravel the mysteries of Ancient Egypt's Elite, such as how Ramesses battled a biblical drought. (S2, ep 3).

Explore the extreme punishments commonly used in ancient Egypt by homicidal royalty. (S2, ep 3).

Ancient Egypt, 4700 years ago. Revolution is brewing - and the most ambitious building project on the planet sets off a chain of transformative events. (S1, ep 1).

Head back to Ancient Egypt to explore more legends. Now, the pyramid age has begun and a new pharaoh, Snefru, has ascended to the throne. (S1, ep 2).

The Great Pyramid of Giza is the world's most famous tomb, built by Khufu - a Pharaoh with a reputation for cruelty. But what's the truth about this tyrant king? (S1, ep 3).

Who will succeed Pharaoh Khufu? Some Egyptologists think the succession after his death holds the key to a great mystery: the riddle of the Sphinx. (S1, ep 5).

A series of legendary pharaohs have built iconic monuments - and after what has been a transformative period, the age of the pyramid builders ends. (S1, ep 6).

Throughout history there have been countless sightings of bizarre creatures that can only be described as 'monsters', but are these beasts really lurking? (S3, ep 35).

For centuries, tales of terrifying monsters have fascinated mankind. Get to know the beasts that have been portrayed in some of history's classic stories. (S3, ep 23).