Hoarder Patrol: The buyers compete with huge crowds in Hallsville, where Mary and Moe go all out on a locker they know will make Moe's wife angry. (S4, ep 10).

Close Encounters of the Pawn Kind: Chum sets his sights on something out of this world when a seller brings in a signed copy of The Coming of the Saucers.

Fool's Gold: Les causes drama when he tells a woman her gold bracelet is fake. Later, it's Seth's turn to suss whether a gold watch is priceless or worthless. (S2, ep 7).

Cash Kings: An out-of-character Les makes an impulse decision that threatens to backfire, and later gives a big loan to a customer with a dubious sob story. Has he been fleeced? (S2, ep 8).

To Catch a Thief: Part 1: Discover what the Golds really think about one of the most infamous episodes ever. When jewellery is found scattered, Les knows something is afoot. (S1, ep 10).

The Mystery Of Puma Punku: Experts explore the puzzling construction of Puma Punku in Bolivia. Could advanced technology have been used to carve the ancient temple complex? (S1, ep 7).

Close Encounters: While the team conducts one of their most ambitious experiments yet at the Triangle, something alarming appears in the sky above Skinwalker Ranch. (S3, ep 9).

Bigfoot Revealed: For 54 years, the Patterson-Gimlin bigfoot film has been the best proof the creature exists. Now with AI technology, the figure is clearer than ever. (S2, ep 12).

The Vanishing of Flight CS-59: From a secret underground military facility in Greenland to a grisly collection of human remains in the Andes, explore more secrets in the ice. (S1, ep 2).

Cash Wars: Brandon and Lori go to war over a record producer's storage unit and unearth what could be a priceless piece of rock and roll history. (S1, ep 2).

Brawlin' on the Bayou: Brandon and Lori look to cash in on their first big trip to New Orleans, while the Taylor brothers fight to win a locker loaded with hunting equipment. (S1, ep 3).

Henry Cole chances his arm at a high class auction of vintage petroliana. (S2, ep 2).

Top Ten Alien Craft: Count down the top ten alien craft, from V-shaped objects to orbs of light to flying saucers. (S15, ep 14).

Edgar Cayce - The Sleeping Prophet: In the 1900s, a modern-day prophet Edgar Cayce became a worldwide sensation. He claimed to receive visions of both the past and future. (S15, ep 16).

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).

Henry Cole and restorers Allen Millyard and Guy Willison visit autojumbles in Stratford-upon-Avon and Enfield. (S2, ep 1).

New. 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 71).

Agents investigate a small boat crewed by three men on a well-known smuggling route, only to confirm the men have a shady past. (S1, ep 4).

Passengers are searched for illegal objects when entering and leaving the United States by the Department of Homeland Security's Customs and Border Protection officers. (S1, ep 4).

Keith Farquharson: Will Mellor and a panel of experts uncover the shocking case of ex-traffic officer Keith Farquharson, found guilty of murdering his wife Alice in 2019. (S1, ep 3).

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).

The Mystery Of Puma Punku: Experts explore the puzzling construction of Puma Punku in Bolivia. Could advanced technology have been used to carve the ancient temple complex? (S1, ep 7).

Ghosts in the Machine: Three tales of everyday objects that are haunted by the dead, including the story of a man who is attacked in bed by an invisible force. (S3, ep 6).

Back in Action: Hear what Ashley and Seth have to say about Les being back on top following his operation. (S1, ep 9).

The Top Ten Mysterious Devices: Count down the top 10 mysterious devices found around the world, from strange discs found in a cave in China to an ancient Greek computer. (S15, ep 12).

The Top Ten Mysterious Islands: Count down the world's top 10 mysterious islands, including sites said to be home to giants and islands that disappear into thin air. (S15, 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 17).

New. 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 71).

Henry Cole chances his arm at a high class auction of vintage petroliana. (S2, ep 2).

Take A Deep Breath, It's Lesa: The bidding action moves to Conroe where the buyers find themselves face to face with an old adversary. (S4, ep 11).

Rick's Gone with the Wind: A rare wrestling figure leaves Chumlee ready to rumble, while Rick is blown away by a vintage eclipse windmill.

Whack Job: The staff are pushed to their breaking point by a customer's endless parade of worthless items. Later, Ashley gets the chance to assert herself. (S3, ep 1).

Hot Rods, Raging Tempers: The Gold family and their employees are ready to haggle as members of the public continue to bring in their unique items in hope of raising some cash. (S3, ep 2).

Rematch: Ashley vs. Tressa: Go behind the scenes with the Golds as they remember Tressa, a former employee and Ashley's nemesis, and her scheme to scam American Jewelry. (S1, ep 11).

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).

Photo Finish: With the dead of winter closing in fast, time is running out as the team performs a three-dimensional scan of Skinwalker Ranch. (S3, ep 10).

Wichita UFO & Booming Sea Sound: The team explores a strange silver object in the sky over Kansas, and whether a sound permeating through the ocean is an otherworldly warning. (S2, ep 15).

Yeti Sighting And Italian Ufo: A bipedal figure crossing a snowy field is rumoured to be the fabled yeti. A colour-changing orb in the sky could be a UFO in Italy. (S2, ep 16).

Experts and scientists expose more dark secrets, forgotten treasures, and lost relics from some of the coldest places on Earth. (S2, ep 2).

Gamblin' Gods: The buyers press their luck in Sin City where Brandon and Lori get outfoxed by a group of locals, while Jesse gambles on a locker filled with junk. (S1, ep 5).

Boston's Bad Blood: Brandon returns to Boston and squares off against his former protégé, Wade, before a military hero goes all in on a locker hiding the ultimate score. (S1, ep 7).

Henry Cole and his fellow Junketeers go all rural when they buy a tractor at an agricultural auction. (S2, ep 3).

The Top Ten Mysteries of the Deep: Count down the top ten mysteries of the deep, from sunken continents to supposed proof of the lost city of Atlantis. (S15, ep 17).

The Gods of Greece: Explore whether the Gods of Greece including Zeus, Apollo and Poseidon, were actually extra-terrestrial visitors to Earth. (S15, ep 18).

The Alien Code: Giorgio A Tsoukalos investigates famous mysteries from every corner of the globe. Could they share links that connect them to the extraterrestrial? (S1, ep 10).

Henry Cole chances his arm at a high class auction of vintage petroliana. (S2, ep 2).

New. 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 72).

Witness a prehistoric ghost in Ireland, a machine that can see back in time and a giant pentagram in the Canadian snow. (S5, ep 9).

From Far Above: Uncover a perfect circle carved around an ancient peak, a scary phenomenon in the Pacific and strange shapes in a Middle Eastern desert. (S2, ep 9).

Curse of the Carrier: The team dives in search of an A-3 Skywarrior aircraft that was lost in a disaster off the USS Saratoga aircraft carrier in 1960. (S2, ep 1).

Crater Lake National Park: This tourist hotspot is also rumoured to be the epicentre of dark and sinister forces from Native American lore that lure visitors to their deaths. (S2, ep 11).

Canyonlands National Park: A demonic truck driver, disembodied voices, nightmarish skinwalkers and a time loop are all reported to exist in Canyonlands National Park. (S2, ep 12).

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).

Premonitions: A look into the predictive power of the subconscious, including a man who warns of a plane crash before it happens following a series of vivid nightmares. (S3, ep 7).

To Catch a Thief: Part 1: Discover what the Golds really think about one of the most infamous episodes ever. When jewellery is found scattered, Les knows something is afoot. (S1, ep 10).

Top Ten Alien Craft: Count down the top ten alien craft, from V-shaped objects to orbs of light to flying saucers. (S15, ep 14).

Edgar Cayce - The Sleeping Prophet: In the 1900s, a modern-day prophet Edgar Cayce became a worldwide sensation. He claimed to receive visions of both the past and future. (S15, ep 16).

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 18).

New. 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 72).

Henry Cole and his fellow Junketeers go all rural when they buy a tractor at an agricultural auction. (S2, ep 3).

Hoopty Dreams: The buyers head to Fort Worth, where Victor seeks an ally in his bidding war with Ricky and Bubba. Others learn that two heads aren't always better than one. (S4, ep 12).

Decoding a Deal: The gang eye a test pressing of the Eagles mega-hit Hotel California, a ring from the Little Orphan Annie radio show and a model of Da Vinci's flying machine.

Acid Test: While Seth mulls over an expensive purchase that could save the store thousands, a customer attempts to sell a coat allegedly made of rare monkey fur. (S3, ep 3).

Gold War: While Seth struggles through a tense customer interaction, Les has his hands full with a tough negotiation over a vintage gumball machine. (S3, ep 4).

Gold at Gunpoint: The Golds visits Les' grandfather's closed down pawn shop in downtown Detroit, and Les tells the story of a frightening incident. (S1, ep 12).

The Alien Code: Giorgio A Tsoukalos investigates famous mysteries from every corner of the globe. Could they share links that connect them to the extraterrestrial? (S1, ep 10).

The Strangest Things So Far: After another season of chilling discoveries, the team reviews all the mysterious experiences and compelling evidence of the last three years. (S3, ep 11).

Nessie's Cousin And NYC UFOs: Did boaters really capture footage of a real-life cousin to Nessie. Are glowing orbs floating above NYC cause for concern? Tony and team explore. (S2, ep 18).

Bigfoot's Death Cry And Bird On Mars: Experts investigate the theory that Bigfoot makes sounds that can make people sick, and examine images captured by NASA on Mars. (S2, ep 19).

Experts and scientists expose more dark secrets, forgotten treasures, and lost relics from some of the coldest places on Earth. (S2, ep 3).

Score of the Century: The score of a lifetime is hidden in the back of a locker, but when the bidding heats up, will our auction heroes have the cash to stay in the game? (S1, ep 8).

Old Rivals, New Wars: When the Taylor brothers show up, Brandon and Lori have a new civil war on their hands. But will they score big, or bust? (S1, ep 9).

Henry Cole gets excited as he visits automobilia heaven and the three Junketeers come together to flog restored items. (S2, ep 4).

The Power of the Talisman: For millennia, people have believed that everyday objects can possess hidden energy. These talismans are seen to provide protection and good fortune. (S15, ep 20).

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).

Queensland's Tropical Coast: Delve into the incredible collection of UFO stories of first-hand witnesses, from flying saucers to strange encounters in sugar cane fields. (S1, ep 1).

Henry Cole and his fellow Junketeers go all rural when they buy a tractor at an agricultural auction. (S2, ep 3).

New. 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 73).

Secrets of the Sumerians: When the ancient Sumerians built their civilisation, they credited their gods - but were these powerful beings actually extraterrestrial visitors? (S16, ep 7).

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).

Texan farm workers are confronted by a 200-foot long object in the sky in 1957. In 1979, a UFO releases spiked spheres that leave a man unconscious in Scotland. (S2, ep 7).

In Brazil, three men escape a close encounter. In Canada, a thirteen-year-old boy is blinded temporally after investigating a bizarre object. (S2, ep 8).

The Flash: New ground-penetrating radar reveals that a number of mysterious objects may be buried deep inside of the Mesa. (S5, ep 5).

The Alien Code: Giorgio A Tsoukalos investigates famous mysteries from every corner of the globe. Could they share links that connect them to the extraterrestrial? (S1, ep 10).

Mysterious Vanishings: Baffling stories of people who vanished without a trace, including a young Tasmanian pilot who is chased by unidentified aircraft before disappearing. (S3, ep 8).

Rematch: Ashley vs. Tressa: Go behind the scenes with the Golds as they remember Tressa, a former employee and Ashley's nemesis, and her scheme to scam American Jewelry. (S1, ep 11).

The Top Ten Mysteries of the Deep: Count down the top ten mysteries of the deep, from sunken continents to supposed proof of the lost city of Atlantis. (S15, ep 17).

The Gods of Greece: Explore whether the Gods of Greece including Zeus, Apollo and Poseidon, were actually extra-terrestrial visitors to Earth. (S15, ep 18).

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 19).

New. 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 73).

Henry Cole gets excited as he visits automobilia heaven and the three Junketeers come together to flog restored items. (S2, ep 4).

Raiders Of The Lost Arkana: The buyers go to Texarkana in search of new territory. Slick Vic uncovers some action figures and Ricky and Bubba find an unforgettable antique. (S5, ep 1).

Mo Monet Mo' Problems: Chum takes a bite out of some Buffy the Vampire Slayer figurines. Also, an old vending machine and a 1949 fire truck find their way into the shop.

Family Feud: A difference of opinion threatens to explode into a full-on family feud on a difficult day in the shop. (S3, ep 5).

Bad Blood: After they land a storage facility worth of goods, the Golds must figure out if they've got a windfall or trash pile. (S3, ep 6).

Les' Revenge: Seth feels Les's wrath after he spends company money on a controversial impulse purchase. (S3, ep 7).

Queensland's Tropical Coast: Delve into the incredible collection of UFO stories of first-hand witnesses, from flying saucers to strange encounters in sugar cane fields. (S1, ep 1).

Over and Out of This World: A new year of investigations begins on Skinwalker Ranch. Members of the team confront Dr Taylor over a secret he has kept from them for two years. (S4, ep 1).

Mysterious Sky Moans And Dragon Sighting: Could a UFO seen by multiple residents of a Florida town be the real deal? Also, a ghoulish moaning sound comes from the sky. (S2, ep 20).

UFO Eruption and Alien Spheres: Exploring the possible truth behind bizarre sightings near volcanoes. Plus, who - or what - made the strange stone spheres of Costa Rica? (S2, ep 21).

Experts and scientists expose more dark secrets, forgotten treasures, and lost relics from some of the coldest places on Earth. (S2, ep 4).

Cash Dash: A smelly bin scares away most bidders, but it ends up being a great score. Plus, Brandon and Lori win a scary bin that may or may not have value. (S1, ep 10).

Medieval Melee: Buyers haggle over a locker filled with vintage surfing gear, while Brandon and Lori get a busted bin containing a case filled with a strange goo. (S1, ep 11).

Henry and Allen Millyard find and restore a legendary Triumph Trident bike before heading out for the historic Prescott Hill Climb. (S2, ep 5).

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 Top Ten Hidden Alien Bases: Discover 10 locations around the world that just might be hiding alien bases, from a cavern beneath the ice in Antarctica to a Chinese lake. (S16, ep 3).

Tasmania, New Zealand and the Bass Strait: Investigating the disappearance of pilot Frederick Valentich, whose last transmission gives an account of what he experienced. (S1, ep 2).

Henry Cole gets excited as he visits automobilia heaven and the three Junketeers come together to flog restored items. (S2, ep 4).

New. 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 74).

The Missing Giants: The team sets its sights on the vanishings of two ships. Did a Bermuda Triangle tsunami claim them or did they fall prey to Nazi U-Boats? (S2, ep 2).

Witness a prehistoric ghost in Ireland, a machine that can see back in time and a giant pentagram in the Canadian snow. (S5, ep 9).

From Far Above: Uncover a perfect circle carved around an ancient peak, a scary phenomenon in the Pacific and strange shapes in a Middle Eastern desert. (S2, ep 9).

House of Pain: Shadows and a voice reveal a property's dark history. Also, a family discover their home is haunted by spirits who died horrible deaths. (S1, ep 6).

Queensland's Tropical Coast: Delve into the incredible collection of UFO stories of first-hand witnesses, from flying saucers to strange encounters in sugar cane fields. (S1, ep 1).

Medical Mysteries: Medics at a hospital fall gravely ill after treating a mysteriously ailing patient in a circumstance that can't be explained by science. Or can it? (S3, ep 9).

Gold at Gunpoint: The Golds visits Les' grandfather's closed down pawn shop in downtown Detroit, and Les tells the story of a frightening incident. (S1, ep 12).

The Power of the Talisman: For millennia, people have believed that everyday objects can possess hidden energy. These talismans are seen to provide protection and good fortune. (S15, ep 20).

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).

New. 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 20).

You Can Lead a Horse to a Locker: Barry and Kenny show up in their alternative fuel vehicle. Meanwhile, Lisa does her best to break the curse of the bad locker. (S14, ep 3).

Piles to Go Before I Keep: Laura takes the reins in Fullerton and outsells Dan. Brandi gets assaulted by her locker and Darrell stumbles across an unexpected collection. (S14, ep 4).

In Pain in the Membrane: Ivy's locker shines some light on the business, while Lisa learns that she needs her locker about as much as she needs a hole in her head. (S14, ep 5).

How the West Covina Was Won: Lisa makes a big mistake as she's too busy looking back. Meanwhile, Rene gets his hands on a bargain and makes the most of it. (S14, ep 6).

The Champ: Troy and Terral protect a friend's fish camp with the help of their ace-in-the-hole sniper. The Edwards go toe-to-toe with a heavyweight gator known as The Champ. (S11, ep 3).

Mystery In The Bayou: With them not catching any Gators, Troy and Terral test a radical new strategy, while Jacob's new deckhand tries to prove his worth. (S11, ep 4).

Bad Banana: Ronnie's day takes a turn for the worse when Ashley discovers a bad omen on board, while young hunters Brock and Aaron gamble on a new hunting area. (S11, ep 5).

Agents investigate a small boat crewed by three men on a well-known smuggling route, only to confirm the men have a shady past. (S1, ep 4).

Passengers are searched for illegal objects when entering and leaving the United States by the Department of Homeland Security's Customs and Border Protection officers. (S1, ep 4).

Airborne Attack: Anthrax is the most feared of all biological weapons, so when spores were found inside a letter sent through US mail in 2001, an entire nation was terrified. (S3, ep 8).

Deadly Jet Collision: 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).

Top Ten Alien Craft: Count down the top ten alien craft, from V-shaped objects to orbs of light to flying saucers. (S15, ep 14).

Edgar Cayce - The Sleeping Prophet: In the 1900s, a modern-day prophet Edgar Cayce became a worldwide sensation. He claimed to receive visions of both the past and future. (S15, ep 16).

The Top Ten Mysteries of the Deep: Count down the top ten mysteries of the deep, from sunken continents to supposed proof of the lost city of Atlantis. (S15, ep 17).

The Gods of Greece: Explore whether the Gods of Greece including Zeus, Apollo and Poseidon, were actually extra-terrestrial visitors to Earth. (S15, ep 18).

The Power of the Talisman: For millennia, people have believed that everyday objects can possess hidden energy. These talismans are seen to provide protection and good fortune. (S15, ep 20).

Secrets of the Sumerians: When the ancient Sumerians built their civilisation, they credited their gods - but were these powerful beings actually extraterrestrial visitors? (S16, ep 7).

How did a Frenchman living in the 16th century predict so many modern-day disasters? This special explores how one person could see into the future.

America's Loch Ness Monster: A Loch Ness Monster-esque creature is recorded in America, experts analyse evidence of a giant scaly egg, and birds are vaporized by a death ray. (S2, ep 2).

Curse of the Mayan Treasure: An explorer at a Mayan sacrificial site is attacked by an underwater fog, thousands of fish jump to their deaths, and a UFO is spotted in LA skies. (S2, ep 3).

A priest, showing the same crucifixion wounds as Jesus Christ, claims to have suffered from stigmata. Experts investigate whether his story is true or just a religious hoax. (S1, ep 1).

Keith Farquharson: Will Mellor and a panel of experts uncover the shocking case of ex-traffic officer Keith Farquharson, found guilty of murdering his wife Alice in 2019. (S1, ep 3).

Keith Farquharson: Will Mellor and a panel of experts uncover the shocking case of ex-traffic officer Keith Farquharson, found guilty of murdering his wife Alice in 2019. (S1, ep 3).

Officer Ken and his team track down an illegal immigrant with a history of domestic violence, while an Indian national faces deportation after overstaying his holiday visa. (S1, ep 4).

Palmerstone North Delta team is on the job fighting crime, while Customs pooch Yarra sniffs out a dodgy delivery. (S1, ep 7).

Delta unit Kieran and Vader vamoose after a fleeing driver in Hamilton, while drug-seeking Yarra is in pursuit of something unsanitary. (S1, ep 8).

Skulls & Scoundrels: The Golds' good reputation is at stake, when a customer claims he was sold a fake watch, and Ashley offers a customer way over the odds for some gemstones. (S2, ep 5).

The Gambler: Les is forced to call security when a row over a missing item turns violent, a gambler drops in for funds and a customer tries to shift a gynaecologist's table. (S2, ep 6).

Fool's Gold: Les causes drama when he tells a woman her gold bracelet is fake. Later, it's Seth's turn to suss whether a gold watch is priceless or worthless. (S2, ep 7).

Cash Kings: An out-of-character Les makes an impulse decision that threatens to backfire, and later gives a big loan to a customer with a dubious sob story. Has he been fleeced? (S2, ep 8).

Hoopty Dreams: The buyers head to Fort Worth, where Victor seeks an ally in his bidding war with Ricky and Bubba. Others learn that two heads aren't always better than one. (S4, ep 12).

Take A Deep Breath, It's Lesa: The bidding action moves to Conroe where the buyers find themselves face to face with an old adversary. (S4, ep 11).

Hoarder Patrol: The buyers compete with huge crowds in Hallsville, where Mary and Moe go all out on a locker they know will make Moe's wife angry. (S4, ep 10).

Throw Momma From The Auction: Moe gets on the wrong side of Mary when he buys a risky locker in Lancaster. Jenny causes a stir when she brings her mother to the auction. (S4, ep 9).

Henry Cole and restorers Allen Millyard and Guy Willison visit autojumbles in Stratford-upon-Avon and Enfield. (S2, ep 1).

Henry Cole chances his arm at a high class auction of vintage petroliana. (S2, ep 2).

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).

The Space Force: Did the space race stop at just the Moon? Is there any truth to rumours of a secret Space Force developed by America for missions beyond Earth's orbit.

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).

Texan farm workers are confronted by a 200-foot long object in the sky in 1957. In 1979, a UFO releases spiked spheres that leave a man unconscious in Scotland. (S2, ep 7).

In Brazil, three men escape a close encounter. In Canada, a thirteen-year-old boy is blinded temporally after investigating a bizarre object. (S2, ep 8).

Area 52: 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).

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

Pilots & Astronauts: When it comes to identifying mysterious objects in our skies, few people are more qualified than pilots and astronauts - but are sightings common? (S1, ep 3).

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

Ancient UFOs: 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).

Deathbed Confessions: 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).

The Flash: New ground-penetrating radar reveals that a number of mysterious objects may be buried deep inside of the Mesa. (S5, ep 5).

Ranch From Hell: Andy and Paul team up with the original investigator of Skinwalker Ranch to probe an abandoned ranch which the owner claims is infested with demons. (S2, ep 7).

Chichen Itza: Considered one of the New Seven Wonders of the World, the Mayan City of Chichen Itza was the capital of a powerful civilisation. (S3, ep 4).

Archaeologists continue their exploration of Pompeii, uncovering the secrets of this fascinating ancient city, with surprises to be found and trouble ahead. (2 of 2).

Nazi Relics: Hamilton White and Carl Cookson are back on the trail of some truly astonishing relics in season two. (5 of 5).

Weird Animal Behaviour: Three extraordinary stories about the supersensory power of animals, including a psychic octopus that correctly predicted multiple World Cup winners. (S3, ep 5).

Ghosts in the Machine: Three tales of everyday objects that are haunted by the dead, including the story of a man who is attacked in bed by an invisible force. (S3, ep 6).

Crater Lake National Park: This tourist hotspot is also rumoured to be the epicentre of dark and sinister forces from Native American lore that lure visitors to their deaths. (S2, ep 11).

Canyonlands National Park: A demonic truck driver, disembodied voices, nightmarish skinwalkers and a time loop are all reported to exist in Canyonlands National Park. (S2, ep 12).

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).

Airborne Attack: Anthrax is the most feared of all biological weapons, so when spores were found inside a letter sent through US mail in 2001, an entire nation was terrified. (S3, ep 8).

Deadly Jet Collision: 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).

New. 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 74).

Henry and Allen Millyard find and restore a legendary Triumph Trident bike before heading out for the historic Prescott Hill Climb. (S2, ep 5).

British Invasion: The big money buyers find themselves out of their comfort zones in DeSoto. A new face from across the pond threatens to ruin Ricky and Bubba's day. (S5, ep 2).

Raiders of the Lost Pawn: The Pawn Stars check out a pair of vintage rock t-shirts, Gumby and Pokey toys, a Gad Ullman poster and unopened Atari games.

Gold Hustle: Les goes over the edge when Ashley's bad attitude loses the shop a big customer. (S3, ep 8).

Sibling War: Tensions in the store threaten to boil over as Seth and Ashley clash once again. (S3, ep 9).

Les' Way: As a new customer shows up at the store with a potentially world-changing item, Les clashes with Seth over the future of the business. (S3, ep 10).

Tasmania, New Zealand and the Bass Strait: Investigating the disappearance of pilot Frederick Valentich, whose last transmission gives an account of what he experienced. (S1, ep 2).

Who's Your Data: The team launches an incredible night-time drone light show experiment above the Triangle, leading to a startling sighting in the sky. (S4, ep 2).

UFO Window Seat and Lost Underwater City: The team look into a series of unusual photos and videos, from a UFO sighting to a Japanese city possibly lurking beneath the waves. (S2, ep 22).

Land UFO and Superhuman Strength: An object is spotted over one of the world's holiest sites. Plus, could a floating \"spaceman\" in a famous photograph be an elaborate hoax? (S2, ep 23).

Experts and scientists expose more dark secrets, forgotten treasures, and lost relics from some of the coldest places on Earth. (S2, ep 7).

Dirty Deeds, Dirtier Dealings: In San Diego, Brandon and Lori try to stick the Taylor brothers with a questionable vault - but it may just end up biting them in the rear. (S1, ep 12).

Dirty Gold Rush: The buyers lock horns to win a unit packed with valuable construction equipment, before Brandon and Lori spot something that no one else sees. (S1, ep 13).

Henry Cole, Allen Millyard and Guy Willison visit top collector Stuart Imber before preparing to sell their latest finds at the Fairford Steam. (S2, ep 6).

The Top Ten Alien Codes: From glyphs in the Peruvian desert to spiral petroglyphs embedded with advanced maths, explore some of the world's most intriguing symbols and codes. (S16, ep 5).

Aliens And Forbidden Islands: Experts investigate why so many UFOs have been spotted near remote islands. Could these far-removed spots be the earthly homes of aliens? (S6, ep 1).

Queensland & Papua New Guinea: Travel to Queensland's farming country where rain-drenched crops meet the Great Barrier Reef. Is there a link between water and UFO activity? (S1, ep 3).

Henry and Allen Millyard find and restore a legendary Triumph Trident bike before heading out for the historic Prescott Hill Climb. (S2, ep 5).

New. 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 75).

Behind the Gates - The Scientific Method: Matty Blake interviews Principal Investigator Erik Bard and astrophysicist Dr Travis Taylor about a potentially other-worldly mystery.

Behind the Gates - Ups and Downs: While bizarre phenomena is documented in the skies, Dr Travis Taylor highlights the evidence that suggests the mysteries may lie underground.

Beyond the Beyond: The most compelling investigations contain shocking evidence, stunning documentation and crazy experiments. (S2, ep 8).

Secret Cave Of Kolombangara: A volcanic island called Kolombagara, with a secret cave, rises out of the Pacific Ocean. In Vietnam, bones from an unknown animal are found. (S1, ep 9).

Doomsday Scenarios: How prepared is the US government for a major attack or catastrophic event? And how many have already been narrowly avoided? This episode explores. (S4, ep 7).

Tasmania, New Zealand and the Bass Strait: Investigating the disappearance of pilot Frederick Valentich, whose last transmission gives an account of what he experienced. (S1, ep 2).

Mind Control: Three spine-tingling stories, including a seance that turns a housewife into a literary genius as she channels a spirit to write a series of acclaimed books. (S3, ep 10).

Les' Revenge: Seth feels Les's wrath after he spends company money on a controversial impulse purchase. (S3, ep 7).

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 Top Ten Hidden Alien Bases: Discover 10 locations around the world that just might be hiding alien bases, from a cavern beneath the ice in Antarctica to a Chinese lake. (S16, ep 3).

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 21).

New. 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 75).

Henry Cole, Allen Millyard and Guy Willison visit top collector Stuart Imber before preparing to sell their latest finds at the Fairford Steam. (S2, ep 6).

Swinging With The Jenemy: The bidders return to Dallas hoping to land a locker of a lifetime. Mary flouts the law in her eagerness to score a dream unit. (S5, ep 3).

Dueling and Dealing: The guys head out for a little friendly competition. Also, Apollo 11 documents and a Harley-Davidson 1962 Topper find their way into the shop.

Sucker Punch: Les frantically searches for a buyer in order to win a bet with Seth. Later, a revelation sends a pair of customers on a rampage. (S3, ep 11).

Melted Gold: The Gold family and their employees get ready to haggle as members of the public continue to bring them weird and wonderful items in the hope of raising some cash. (S3, ep 12).

I Quit!: Les and Seth face off with Ashley in a battle for control that has lasting consequences for the business. (S3, ep 13).

Queensland & Papua New Guinea: Travel to Queensland's farming country where rain-drenched crops meet the Great Barrier Reef. Is there a link between water and UFO activity? (S1, ep 3).

The Blob: After discovering new evidence of massive metallic objects buried beneath the Mesa, the team conducts an experiment at the Triangle that leads to a shocking revelation. (S4, ep 3).

The London Serpent and Moon UFOs: Tony and the team investigate a possible serpentine monster in the Thames and a sighting of a bizarre flying object crossing the moon. (S2, ep 24).

Ancient Alien Carvings and Bigfoot 'Shrooms: Meet a forager who claims he has captured bigfoot calls on video. Plus, could rock paintings in India be proof of otherworldly life? (S2, ep 25).

Finger of Death: A grim discovery in a Swedish lake reveals shocking ancient practices. Meanwhile, in the Canadian Arctic, the fossil of a previously unknown mammal is found. (S3, ep 1).

Native Wars: Minds are blown when two buyers team up for a major score. It's an unlikely pair that, together, could make a pile of cash. (S1, ep 14).

Smoking Hot: Brandon and Jesse lock horns in a bidding war. One of them spies an authentic treasure hidden among the contents, but only one will walk away with the score. (S1, ep 15).

Henry Cole, Allen Millyard and Guy Willison are back! This time they head to Dorset to meet Tim, the owner of a delectable collection of trinkets. (S2, ep 7).

Aliens And The Lost Ark: Theorists investigate whether sought-after religious relic the Ark of the Covenant could hold connections to our extraterrestrial past. (S6, ep 2).

Aliens And Mysterious Mountains: Throughout time, people have believed mountains were the home of the divine. But could these hilltop spirits have been extraterrestrials? (S6, ep 3).

Melbourne & Regional Victoria: Explore Melbourne's long history of UFO sightings and hear incredible first-hand accounts from Victoria's locals of otherworldly encounters. (S1, ep 4).

Henry Cole, Allen Millyard and Guy Willison visit top collector Stuart Imber before preparing to sell their latest finds at the Fairford Steam. (S2, ep 6).

New. 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 76).

Agents must abort a mission when a tropical storm rolls in. A cruise ship passenger balks at paying US duty on cigarettes. (S1, ep 5).

Passengers are searched for illegal objects when entering and leaving the United States by the Department of Homeland Security's Customs and Border Protection officers. (S1, ep 5).

New. Stephanie Lazarus: Will Mellor and a team of experts uncover the case of ex-LA detective Stephanie Lazarus, who was convicted of murdering her former boyfriend's wife. (S1, ep 4).

Red Alert: During the Cold War, strange lights and unidentified objects put governments around the world on red alert. Could extra-terrestrials have been responsible? (2 of 6).

Queensland & Papua New Guinea: Travel to Queensland's farming country where rain-drenched crops meet the Great Barrier Reef. Is there a link between water and UFO activity? (S1, ep 3).

Falling Man, Space Rocks, Missing Feet: A high-rise window washer somehow survives a 50-storey fall and ball-sized ice chunks fall from the sky. (S1, ep 1).

Les' Way: As a new customer shows up at the store with a potentially world-changing item, Les clashes with Seth over the future of the business. (S3, ep 10).

The Top Ten Alien Codes: From glyphs in the Peruvian desert to spiral petroglyphs embedded with advanced maths, explore some of the world's most intriguing symbols and codes. (S16, ep 5).

Aliens And Forbidden Islands: Experts investigate why so many UFOs have been spotted near remote islands. Could these far-removed spots be the earthly homes of aliens? (S6, ep 1).

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 22).

New. 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 76).

Henry Cole, Allen Millyard and Guy Willison are back! This time they head to Dorset to meet Tim, the owner of a delectable collection of trinkets. (S2, ep 7).

Ka-Chingaladas!: Auctions in Garland bring a day of dashed hopes and sweet profits. Plus, a new buyer begins to throw some of the bidders off their game. (S5, ep 4).

The Need for Speed: Corey calls for backup when an iconic find makes its way into the store. Meanwhile, Rick has a chance to buy a vintage whisky strap.

Life After Death: Seth thinks the business is running better since Ashley's departure, but Les disagrees. Meanwhile, a fight breaks out over a customer's loan. (S4, ep 1).

Return of the Queen?: A customer threatens to throw down over a broken necklace. The Golds are offered what are alleged to be Saddam Hussein's signed personal documents. (S4, ep 2).

Fire Bomb!: A customer tries to rip off the store and quickly learns that Les is not one to cross. Meanwhile, a car is ablaze in the parking lot and someone could be inside. (S4, ep 3).

Melbourne & Regional Victoria: Explore Melbourne's long history of UFO sightings and hear incredible first-hand accounts from Victoria's locals of otherworldly encounters. (S1, ep 4).

The Watchers: The team turns their focus back to the Mesa and almost immediately gets more evidence of something buried deep within it. (S4, ep 4).

The Bigfoot Files: Tony Harris separates the real from the fake in some of the most compelling Bigfoot evidence recently captured, including huge primate-like footprints. (S4, ep 1).

Ecuador's Mountain Mystery: Human remains are discovered high in the Ecuadorian Andes, while a strange earthquake-like event is investigated in Canada. (S3, ep 4).

Built for Speed: Buyers battle to score an item that appears to be a covered car. But when the tarp is pulled back, will the winner drive away with cash or trash? (S1, ep 17).

Buyer Beware: A covered car lures big bids, but the reveal could be more than the winner bargained for. Then, as the temperature rises, Jesse loses out to Dan. (S1, ep 18).

Henry Cole visits a farm sale and comes away with a vintage tractor. However, he comes to regret their decision. (S2, ep 8).

Aliens In America: Experts investigate strange carvings from 8,000 BC and unexplained sightings in the New World. Is there more to the US's past than history books suggest? (S6, ep 4).

Aliens And Stargates: Experts investigate remote ruins, mysterious caves and legendary mountain portals. Could these alleged stargates have brought ancient aliens to Earth? (S6, ep 5).

NSW & WA: Rob and Shelley Hartland believe they live under a \"UFO super highway\". Meanwhile, Peter Khoury claims he experienced a close encounter - of the sexual kind. (S1, ep 5).

Henry Cole, Allen Millyard and Guy Willison are back! This time they head to Dorset to meet Tim, the owner of a delectable collection of trinkets. (S2, ep 7).

New. 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 77).

Learn about Nazis and cannibals in the Black Forest, Russia's tectonic terror weapon and Jungle guerrillas on the warpath. (S5, ep 10).

Ancient Civilizations: Decode the secrets of long-lost human settlements, uncovering a Norwegian mound, a prehistoric stone circle and a lost city in the cradle of civilisation. (S2, ep 10).

The Missing Giants: The team sets its sights on the vanishings of two ships. Did a Bermuda Triangle tsunami claim them or did they fall prey to Nazi U-Boats? (S2, ep 2).

Real Dragons: The team travels to Australia's Blue Mountains in search of evidence that the huge megalania lizard isn't really extinct.

Melbourne & Regional Victoria: Explore Melbourne's long history of UFO sightings and hear incredible first-hand accounts from Victoria's locals of otherworldly encounters. (S1, ep 4).

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

I Quit!: Les and Seth face off with Ashley in a battle for control that has lasting consequences for the business. (S3, ep 13).

Aliens And The Lost Ark: Theorists investigate whether sought-after religious relic the Ark of the Covenant could hold connections to our extraterrestrial past. (S6, ep 2).

Aliens And Mysterious Mountains: Throughout time, people have believed mountains were the home of the divine. But could these hilltop spirits have been extraterrestrials? (S6, ep 3).

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 23).

New. 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 77).

Henry Cole visits a farm sale and comes away with a vintage tractor. However, he comes to regret their decision. (S2, ep 8).

It's Always Sonny In Texas: The buyers head to Fort Worth, where a local auctioneer stirs up trouble when he joins as bidder. (S5, ep 5).

Gotsta Get Pawned: Chum huddles up for a chance to buy an early-20th-century football. Can he get this deal across the goal line before the seller hikes up the price.

Les Walks Out: Les must attend a business meeting, so leaves Seth and Ashley to take care of American Jewellery. (S4, ep 4).

Les Loses it: Seth approaches his latest negotiation like a tiger, while a drunk customer becomes belligerent, and a customer's jewellery has been pierced through a body part. (S4, ep 5).

Blood Lines: Ashley's negotiating skills cause a feud with Seth. Les is threatened with a trip to the hospital and is forced to make a decision that will change the business. (S4, ep 6).

NSW & WA: Rob and Shelley Hartland believe they live under a \"UFO super highway\". Meanwhile, Peter Khoury claims he experienced a close encounter - of the sexual kind. (S1, ep 5).

Here's the Drill: As the team begins drilling in search of a metal object buried in the Mesa, they also perform a new experiment at the Triangle that causes UFOs to appear. (S4, ep 5).

UFO Over the Andes, the Ohio Grassman, and Ancient Horn Mystery: Did a Chilean family photograph a real UFO over the Andes? And does a huge fossil point to a prehistoric figure? (S4, ep 2).

Iceland's Glacier Tomb: In Russia, 34,000-year-old graves are discovered. Meanwhile, a team attempts to locate a British World War II aeroplane that went missing in Iceland. (S3, ep 5).

Fishing for Trouble: A locker full of fishing gear sparks a fast and furious bidding war that leaves the winner with a surprise catch. (S1, ep 19).

All Out War: The buyers throw down to win a locker with what looks like a hidden tractor. But as the dust settles, one lucky hunter gets the ultimate surprise. (S1, ep 20).

Henry Cole heads solo to an automobilia and vintage toy auction, before his team regroups and heads to Newark autojumble. (S2, ep 9).

The Star Children: Experts comb history for evidence of children with strange abilities and great knowledge. Could these young people have been born from ancient aliens? (S6, ep 6).

Treasures Of The Gods: Across the world, there are stories of treasures that have been lost for centuries. Could these ancient relics have been hidden by extraterrestrials? (S6, ep 7).

Rural Australia: Visit Australia's vast expanses, where farmers have been finding mutilated cattle. Plus, meet Phil Tindale who believes he witnessed two UFOs in combat. (S1, ep 6).

Henry Cole visits a farm sale and comes away with a vintage tractor. However, he comes to regret their decision. (S2, ep 8).

New. 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 78).

The UFO Superhighway: With so many strange reports of UFOs, animal mutilations and more, a specific latitude north of the Earth's equator has been dubbed 'the UFO Superhighway'. (S16, ep 8).

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).

A father and son see mysterious lights near their property and call the sheriff's office. A large craft covers a French town in an odd material. (S2, ep 9).

Local authorities receive over 50 UFO reports in the Chicago area on Halloween night. Multiple sightings of a large flying craft in PA are known as the Buck's County Wave. (S2, ep 10).

Behind the Gates - The Scientific Method: Matty Blake interviews Principal Investigator Erik Bard and astrophysicist Dr Travis Taylor about a potentially other-worldly mystery.

Behind the Gates - Ups and Downs: While bizarre phenomena is documented in the skies, Dr Travis Taylor highlights the evidence that suggests the mysteries may lie underground.

NSW & WA: Rob and Shelley Hartland believe they live under a \"UFO super highway\". Meanwhile, Peter Khoury claims he experienced a close encounter - of the sexual kind. (S1, ep 5).

Sea Lions, Voynich Manuscript, Cocaine Mummies: A look at a mysterious medieval manuscript and Egyptian mummies containing cocaine from Peru. (S1, ep 3).

Fire Bomb!: A customer tries to rip off the store and quickly learns that Les is not one to cross. Meanwhile, a car is ablaze in the parking lot and someone could be inside. (S4, ep 3).

Aliens In America: Experts investigate strange carvings from 8,000 BC and unexplained sightings in the New World. Is there more to the US's past than history books suggest? (S6, ep 4).

Aliens And Stargates: Experts investigate remote ruins, mysterious caves and legendary mountain portals. Could these alleged stargates have brought ancient aliens to Earth? (S6, 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 24).

New. 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 78).

Henry Cole heads solo to an automobilia and vintage toy auction, before his team regroups and heads to Newark autojumble. (S2, ep 9).

Stowe-Age Wars: Ricky and Bubba's nemesis Kenny Stowe shows up at tense auctions in Mesquite, where struggling Victor proves he is desperate for bargains. (S5, ep 6).

Knock Your Sox Off: Corey plays ball when he gets a signed letter that knocks his White Sox off. Will he swing for the fences, or get shut out.

Turf Wars: Seth and Ashley square off to defend their turf. A fake ID puts Les in a dangerous situation and a business deal turns into a family brawl. (S4, ep 7).

All in the Family: Tensions rise between Ashley and Seth until a customer demands drug money, compelling them to join forces for the good of the store. (S4, ep 8).

Ashley vs Rich: Ashley is not happy when Rich invades her territory in the shop and a pawn shop customer is caught abusing his girlfriend. (S4, ep 9).

Rural Australia: Visit Australia's vast expanses, where farmers have been finding mutilated cattle. Plus, meet Phil Tindale who believes he witnessed two UFOs in combat. (S1, ep 6).

What a Mesa: While drilling into the Mesa on Skinwalker Ranch, the team makes a shocking discovery. (S4, ep 6).

Men in Black Calls, Old Kentucky Aliens, and Mysterious Eclipse: What is the identity of a bizarre creature spotted on a driveway? And did the Men in Black threaten a man? (S4, ep 3).

Antarctic Island Mysteries: A mysterious volcanic island off the coast of Antarctica is explored, while the mummified remains of a teenage girl are found in the Peruvian Andes. (S3, ep 6).

Judgment Day: The buyers are in for the fight of their lives as they lock horns at the nation's biggest shipping container auction. (S1, ep 21).

Bid or Die: Newbies Scott and Chrissy push their way onto Brandon and Lori's turf, forcing the couple to burn cash like never before. (S2, ep 1).

Henry, Allen and Guy finally get their Buick Roadmaster, cruise to a Newbury car show, and do some wheeling and dealing. (S2, ep 10).

Aliens And The Red Planet: Experts question what probes on Mars may have found over the past 40 years. Could NASA be hiding proof of life on the Red Planet from the public? (S6, ep 8).

The Shamans: Throughout history, spiritual leaders known as shamans have healed, protected and advised. Could they really be in contact with extraterrestrial realms? (S6, ep 9).

Alien Energy: From military radar to Navy aircraft, sightings of Unidentified Aerial Phenomena have become more frequent - leading to unprecedented acceptance of alien contact. (S1, ep 1).

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).

Henry Cole heads solo to an automobilia and vintage toy auction, before his team regroups and heads to Newark autojumble. (S2, 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 79).

Into the Magnetic Storm: At the same time the Revonoc, a racing yacht, went missing in 1958, a magnetic anomaly was detected in the Triangle. (S2, ep 3).

Learn about Nazis and cannibals in the Black Forest, Russia's tectonic terror weapon and Jungle guerrillas on the warpath. (S5, ep 10).