Battle Bought: Allen and Ton take on an old foe at a container auction to get their hands on a mint 1800s pistol and a collection of 90s remote-controlled combat robots. (S2, ep 23).

Early Bird Special: Ton and Allen prove the early bird does catch the worm when a morning auction offers up a mixed martial arts fighting cage and a vintage carnival game. (S2, ep 22).

Auction Hunters Ink: Allen and Ton find a signed Bob Shaw Swing-Gate tattoo machine in LA, as well as a competition chainsaw and a remarkable wooden bear. (S2, ep 21).

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).

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

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

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

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

Strange Tales of WWII: Throughout history's largest and deadliest human conflict, a number of intriguing and persistent mysteries were born - from lost gold to secret societies. (S4, ep 8).

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).

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).

The Nightcrawler and the Beast in the Tree: The team looks into a sasquatch sighting. Meanwhile, a man may have captured footage of the Fresno Nightcrawlers in his backyard. (S2, ep 26).

Residents of a village reported seeing a statue of the Virgin Mary move, but some believe the phenomenon was just an optical illusion or a prank. (S1, ep 5).

The White House is one of the most-famous and most-haunted residences in the world. Experts investigate claims of extraordinary paranormal activity. (S1, ep 6).

Millions mourned the death of Elvis Presley in 1977, but he's been spotted hundreds of times since. (S1, ep 8).

People reveal details from their past lives as celebrities, while experts investigate evidence that suggests death may not be the end of our existence. (S1, ep 9).

In 1977, schoolchildren spot a cigar-shaped aircraft in Wales. The sighting transforms the quiet seaside town into a UFO hot spot. (S1, ep 11).

Tomb Of The Lost Mummies: Don Wildman travels to Egypt to explore the countless subterranean secrets, catacombs and burial chambers concealed beneath the desert sand. (S3, ep 11).

Behind The Gates: The Rocky Road Ahead: Matty Blake drills down with the team on their plans to uncover the mysterious objects that are buried in the Mesa on Skinwalker Ranch. (S5, ep 23).

Behind The Gates: Mesa, Mesa, Mesa!: Dr. Travis Taylor digs deeper into the unbelievable discoveries that the team has made in the rocky Mesa on Skinwalker Ranch. (S5, ep 24).

Hitler's Holidays of Hate: Experts investigate the methods that Adolf Hitler and the Nazis used to indoctrinate a peaceful population, turning it into a finely-tuned war machine. (S7, ep 1).

Anne: The Forgotten Queen: Professor Alice Roberts delves into the life and death of Anne, Queen of England from 1702-1714, who shockingly endured 17 failed pregnancies. (S2, ep 4).

George V: Mercy or Murder?: In 1936, George V's death was hastened by his physician - but what were his motives? And did he also euthanise the King's sister? (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).

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

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

Cursed: 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).

Basement Terror, the Host, the Soul Healer: A lab technician is stalked by otherworldly beings, a volunteer heals the sick, and a radio show host wakes up surrounded by ghosts. (S1, ep 3).

UK: Ian and Butzy cross the Irish Sea to the north of England, where destinations include Manchester United's Old Trafford, the home of sporting great George Best. (S1, ep 7).

Ulster: The lads kick off in Belfast, home to the SS Titanic - and a treasure trove of maritime memorabilia. In Cavan, Ian bids for some Croke Park turnstiles. (S1, ep 8).

Chesterfield 2: David Dickinson travels the country, team in tow, hoping to snap up some good deals. But will the locals take the cash for their antiques or gamble at auction? (S10, ep 29).

Napoleon Bonapawn: A rare Rolling Stones record spins into the shop, but will it get Rick satisfaction? (S17, ep 4).

Eye of the Tiger: A banner from the secret WWII airborne division The Flying Tigers flies into the shop. Also, Chum gets his hands on a 1980s Ooze-it toy. (S17, ep 5).

Great American Cashtime: In San Diego, the guys get thrown a 50s pitching machine. They also rescue a Jaws of Life tool from the 80s. (S2, ep 26).

Bubba And The Chocolate Factory: The buyers head to the affluent town of Las Colinas, where they hope that mega mansions spell luxury lockers. (S4, ep 2).

A Ricky Runs Through It: Victor battles to end his losing streak in Waxahachie, where some buyers prove that playing it tough is the only way to make a killing. (S3, ep 3).

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).

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

Washington State: A new report is made every 55 hours in Washington state, which is America's highest rate of UFO sightings per capita - but why are UFOs choosing to hover here? (S1, ep 1).

A gas station camera captures a customer bursting into flames, an ancient statue spins in its locked cabinet, and a camera films an alien-like creature in the sewers. (S1, ep 1).

Lake Demons: The team investigate eyewitness accounts of a 50-foot monster known as Ogopogo sighted in Lake Okanagan in British Columbia, Canada. (S3, ep 9).

Godfather of Pawn: A suit worn by the Godfather of Soul, James Brown, dances its way into the store. Will it make Rick want to get up offa that thing? (S17, ep 6).

Promissory Pawn: A promissory note from the Mexican-American war comes into the shop, while Corey and Chum check out a water-propelled jetpack. (S17, ep 7).

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

Bronze Beauty: The auction action moves to the tiny town of Pantego, Texas, where one pair of buyers strikes gold with a curious wooden box. (S4, ep 4).

Mayor Of Money Town: Victor gets more than he bargained for when he pursues a motorcycle in Carrollton. Ricky finds himself face to face with one of his biggest fears. (S4, ep 5).

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

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

Tinley Park: Annually, Illinois gets more than 300 UFO reports, so why are the Tinley Park sightings - with over 70 witnesses each year - the only reports that happen en masse? (S1, ep 2).

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

Chesterfield 3: David Dickinson travels the country, team in tow, hoping to snap up some good deals. But will the locals take the cash for their antiques or gamble at auction? (S10, ep 30).

Behind The Gates: Hot, Hot, Hot Spots: Matty Blake and the team break down how the phenomena, and the locations where they happen on Skinwalker Ranch, may all be connected. (S5, ep 25).

Behind The Gates: Phenomenal Connections: Dr Travis Taylor reviews evidence the team has documented, suggesting they may be close to revealing the secret of Skinwalker Ranch. (S5, ep 26).

Gods Of War: Turkey has a history marked by conquerors vying for control of trade routes. Discover how a nation that was often at war turned to its underground for survival. (S3, ep 12).

Hitler's Holidays of Hate: Experts investigate the methods that Adolf Hitler and the Nazis used to indoctrinate a peaceful population, turning it into a finely-tuned war machine. (S7, ep 1).

The Lost Standard, the Steam Gun and the Sacrificial Throne: Investigate an intriguing 3,500-year-old box, a steam-powered gun and a monument that may have been an Aztec throne. (S2, ep 8).

Washington State: A new report is made every 55 hours in Washington state, which is America's highest rate of UFO sightings per capita - but why are UFOs choosing to hover here? (S1, ep 1).

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

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

Hot or Not: With the season coming to a close and the quota almost caught, the fleet fights to gain ground in an uncertain market. (S10, ep 19).

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).

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 80).

Chesterfield 3: David Dickinson travels the country, team in tow, hoping to snap up some good deals. But will the locals take the cash for their antiques or gamble at auction? (S10, ep 30).

Godfather of Pawn: A suit worn by the Godfather of Soul, James Brown, dances its way into the store. Will it make Rick want to get up offa that thing? (S17, ep 6).

Promissory Pawn: A promissory note from the Mexican-American war comes into the shop, while Corey and Chum check out a water-propelled jetpack. (S17, ep 7).

Night of the Digging Dead: Ton and Allen discover a 40s embalming pump and one of the first electric bone saws. They also find a shark cage, but is it safe to use? (S3, ep 1).

Bronze Beauty: The auction action moves to the tiny town of Pantego, Texas, where one pair of buyers strikes gold with a curious wooden box. (S4, ep 4).

Mayor Of Money Town: Victor gets more than he bargained for when he pursues a motorcycle in Carrollton. Ricky finds himself face to face with one of his biggest fears. (S4, ep 5).

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).

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).

Tinley Park: Annually, Illinois gets more than 300 UFO reports, so why are the Tinley Park sightings - with over 70 witnesses each year - the only reports that happen en masse? (S1, ep 2).

Surveillance footage from China records a man surviving a lightning strike, not once but twice. In a remote valley in Norway, cameras track mysterious lights. (S1, ep 2).

Sea Monsters: An expedition investigates controversial evidence that could confirm a history of sea monster sightings off the coast of Florida. (S3, ep 10).

Riders on the Pawn: Among the novel objects brought into the shop this time are a yearbook featuring Jim Morrison, and a signed buoy from the TV show Baywatch. (S17, ep 8).

Prohibition Pawn: Chum checks out an antique corkscrew from the Prohibition era, while Rick checks out an 1834 book of the original rules of baseball. (S17, ep 9).

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

Darth Victor: Jenny squares off against archrivals Ricky and Bubba in order to win her dream locker. Plus, one buyer discovers their dark side on the way to a big victory. (S4, ep 6).

The Ninja And The Pitmaster: A stranger on a motorbike raises prices and eyebrows at in DeSoto. With just four lockers up for grabs, the bidding wars are fiercer than ever. (S4, ep 7).

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

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

Alaska: A powerful earthquake in 2018 seemed to lead to an increase in UFO sightings in Alaska - but why? Do the extra terrestrials have something to protect here? (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).

Chesterfield 4: David Dickinson travels the country, team in tow, hoping to snap up some good deals. But will the locals take the cash for their antiques or gamble at auction? (S10, ep 31).

Earth Shaker: Troy and Pickle face a familiar foe, while Bill and Tes defend a friend's camp from a slithering invasion. Zak and Aaron's hunt leaves a bad taste in their mouths. (S3, ep 5).

The Naked Truth: Mike restores a 1971 Super Bee, struggles to sell cars and hunts for a new place to live. (S4, ep 3).

Dan Abrams hosts as series four walks you through the most dramatic outbursts and extraordinary moments to ever take place in US courtrooms.

Dan Abrams hosts as series four walks you through the most dramatic outbursts and extraordinary moments to ever take place in US courtrooms.

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

Tinley Park: Annually, Illinois gets more than 300 UFO reports, so why are the Tinley Park sightings - with over 70 witnesses each year - the only reports that happen en masse? (S1, ep 2).

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

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

End of the Line: The quota is almost full - and all eyes are on the top two boats. Meanwhile, the remainder of the fleet are searching for that final paycheck. (S10, ep 20).

Les Walks Out: Les must attend a business meeting, so leaves Seth and Ashley to take care of American Jewellery. (S4, 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 1).

Chesterfield 4: David Dickinson travels the country, team in tow, hoping to snap up some good deals. But will the locals take the cash for their antiques or gamble at auction? (S10, ep 31).

Riders on the Pawn: Among the novel objects brought into the shop this time are a yearbook featuring Jim Morrison, and a signed buoy from the TV show Baywatch. (S17, ep 8).

Prohibition Pawn: Chum checks out an antique corkscrew from the Prohibition era, while Rick checks out an 1834 book of the original rules of baseball. (S17, ep 9).

High Flying Ton: A fellow buyer tests Ton and Allen's patience at a container auction in Ventura, where they discover parts of a hot air balloon and a 19th-century rifle. (S3, ep 2).

Darth Victor: Jenny squares off against archrivals Ricky and Bubba in order to win her dream locker. Plus, one buyer discovers their dark side on the way to a big victory. (S4, ep 6).

The Ninja And The Pitmaster: A stranger on a motorbike raises prices and eyebrows at in DeSoto. With just four lockers up for grabs, the bidding wars are fiercer than ever. (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).

New Hire. Now Fire!: A roid-raging meathead threatens Seth's father; Ashley surprises everyone with a brand new hire. (S4, ep 10).

Alaska: A powerful earthquake in 2018 seemed to lead to an increase in UFO sightings in Alaska - but why? Do the extra terrestrials have something to protect here? (S1, ep 3).

A police dash cam captures a high speed pursuit and an officer is stunned when the erratic fugitive makes an impossible getaway. (S1, ep 4).

Mysterious Ape Island: In the Pacific Northwest, an investigative team searches for evidence of an ape-like beast that is rumoured to steal children. (S3, ep 11).

Pawn in the USA: Rick gets a visit from The Boss when a Bruce Springsteen tour jacket rocks into the store. Meanwhile, Corey checks out some motorcycle art. (S17, ep 10).

Stairway to Pawn: Rick checks out a bass guitar signed by Led Zeppelin's John Paul Jones and The Who's John Entwistle, but is he all about that bass? (S17, ep 11).

Henry Cole, Allen Millyard and Guy Willison try to find vintage finds to sell in Kempton. (S3, ep 1).

Shake Your Tailfeather!: The buyers convene at auctions in Fort Worth, where it's the ones who take the biggest risks who make the highest profit. (S4, ep 8).

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).

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

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

Sedona: With all the activity that's been recorded here, Sedona seemingly doubles as an intergalactic airport - but what is drawing UFOs to this spot? (S1, ep 4).

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

Worksop 1: David Dickinson travels the country, team in tow, hoping to snap up some good deals. But will the locals take the cash for their antiques or gamble at auction? (S10, ep 32).

Weird Events: Andy McGrath embarks on a mission to answer some of Britain's craziest questions, from UFO incidents to the famous Loch Ness Monster. (S2, ep 12).

Monsters Among Us: Tales of monsters and beasts have always sparked both fascination and fear - but do these stories possess elements of truth? (S4, ep 9).

Edition. USOs & Underwater Forces: The team investigate the strange underwater anomalies in the Bermuda Triangle and analyse evidence of similar discoveries around the world. (S1, ep 2).

Shimoa and the Sailing Stones: Rocks appear to magically move across a dry lakebed in America, while a major discovery is made in China's Ordos Desert. (S1, ep 3).

Alaska: A powerful earthquake in 2018 seemed to lead to an increase in UFO sightings in Alaska - but why? Do the extra terrestrials have something to protect here? (S1, ep 3).

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

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

It's the opening week of a new season, and for the fishermen of Gloucester, Massachusetts, the summer ahead promises the chance for big fortunes. (S6, ep 1).

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).

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 2).

Worksop 1: David Dickinson travels the country, team in tow, hoping to snap up some good deals. But will the locals take the cash for their antiques or gamble at auction? (S10, ep 32).

Pawn in the USA: Rick gets a visit from The Boss when a Bruce Springsteen tour jacket rocks into the store. Meanwhile, Corey checks out some motorcycle art. (S17, ep 10).

Stairway to Pawn: Rick checks out a bass guitar signed by Led Zeppelin's John Paul Jones and The Who's John Entwistle, but is he all about that bass? (S17, ep 11).

Auction Hunter Shuffle: Ton and Allen teach a cocky new auction hunter a lesson. Then, they get their hands on a hot rod made out of a World War II fighter plane. (S3, ep 3).

Shake Your Tailfeather!: The buyers convene at auctions in Fort Worth, where it's the ones who take the biggest risks who make the highest profit. (S4, ep 8).

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).

Seth vs Rich: Les orders Seth and Rich to clean up the whole warehouse, in order to make room for lots of new merchandise. (S4, ep 11).

Drop the Bomb: American Jewellery is celebrating its 30th anniversary and Les wants to put on a big party to enjoy this milestone. (S4, ep 12).

Total Meltdown: Les delivers some devastating news to the family. Meanwhile, Seth and Ashley scramble to put together an event to celebrate the 30th anniversary of the shop. (S4, ep 13).

Sedona: With all the activity that's been recorded here, Sedona seemingly doubles as an intergalactic airport - but what is drawing UFOs to this spot? (S1, ep 4).

An underwater ROV on a routine inspection films a mystifying monster from the deep. A thunderous explosion rocks a city street in Ukraine. (S1, ep 6).

Gigantic Killer Fish 2: Expeditions search for the Goliath grouper off the coast of Florida and a fish with frightening teeth beneath the icy surface of lakes in Minnesota. (S3, ep 12).

Capture The Pawn: Rick prepares for war when a rare 1589 manual for war practices and fortifying defences comes into the store. (S17, ep 12).

No Pawn for You!: A signed script from Seinfeld hits the store, while Chum and Corey go over a barrel for a vintage Donkey Kong arcade machine. (S17, ep 13).

Henry, Allen and Guy dig through Matt XX's cast-offs, finding a vintage Chopper and a 1950s motorised bicycle. (S3, ep 2).

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).

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).

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

Creatures Of The Deep: Experts investigate whether alien life forms are thriving in our seas, following Russian cosmonauts' discovery of living plankton in space. (S8, ep 7).

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

Henry Cole, Allen Millyard and Guy Willison try to find vintage finds to sell in Kempton. (S3, ep 1).

Worksop 2: David Dickinson travels the country, team in tow, hoping to snap up some good deals. But will the locals take the cash for their antiques or gamble at auction? (S10, ep 33).

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

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

Behind The Gates: Hot, Hot, Hot Spots: Matty Blake and the team break down how the phenomena, and the locations where they happen on Skinwalker Ranch, may all be connected. (S5, ep 25).

Behind The Gates: Phenomenal Connections: Dr Travis Taylor reviews evidence the team has documented, suggesting they may be close to revealing the secret of Skinwalker Ranch. (S5, ep 26).

Sedona: With all the activity that's been recorded here, Sedona seemingly doubles as an intergalactic airport - but what is drawing UFOs to this spot? (S1, ep 4).

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

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

Trials And Tunalations: Every boat except the Wicked Pissah caught fish during the first week, so all eyes are on Captain Paul Herbert to land his first tuna. (S6, ep 2).

New Hire. Now Fire!: A roid-raging meathead threatens Seth's father; Ashley surprises everyone with a brand new hire. (S4, 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 3).

Worksop 2: David Dickinson travels the country, team in tow, hoping to snap up some good deals. But will the locals take the cash for their antiques or gamble at auction? (S10, ep 33).

Capture The Pawn: Rick prepares for war when a rare 1589 manual for war practices and fortifying defences comes into the store. (S17, ep 12).

No Pawn for You!: A signed script from Seinfeld hits the store, while Chum and Corey go over a barrel for a vintage Donkey Kong arcade machine. (S17, ep 13).

Ton's Driller Instinct: The guys encounter aggressive outdoorsmen in the wilderness. Later they discover an amphibious ATV and a hammer that can drill through solid rock. (S3, ep 4).

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).

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).

Aftermath: Exploring the goings-on in the Gold family's huge Detroit pawn shop. Les shocks the others when he reveals plans to buy a new store. Is it a good idea? (S5, ep 1).

Final Decision: Les reveals to Seth and Ashley whether he'll buy the new pawn shop, but his decision has bigger consequences than anyone could imagine. (S5, ep 2).

Stolen Gold: At the new shop, the Golds are chuffed to find a bag of gems inside an old employee's desk. But what will they do if the owner returns to claim his treasure? (S5, ep 3).

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

A mysterious UFO appears over Chile and a deep-sea dive plunges a research vessel into the heart of an underwater lake of death. (S1, ep 8).

Isle Of The Lost Tiger: The Tasmanian tiger was thought to have become extinct 80 years ago, but rumours swirl that the creature could be making a comeback. (S3, ep 13).

First Lady of Pawn: Rick grapples over a decision when a WWE Hall of Fame ring hits the store. (S17, ep 14).

Titanic Pawn: A 1906 Silver Half Dollar that belonged to a passenger on the Titanic sails into the shop. Will Rick snap it up or will it sink without trace? (S17, ep 16).

Henry Cole, Allen Millyard and Guy Willison visit Phil and Annika's maze-like sheds, where they find a pair of 1940s motorbikes. (S3, 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).

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).

Circles from the Sky: Crop circles are a global phenomenon, with 10,000 seen worldwide. But are these strange patterns simply a hoax or could they be proof of UFO activity? (S8, ep 8).

The Alien Wars: Experts investigate whether the US military has a secret space programme, as well as evidence suggesting alien races have been in conflict for millennia. (S8, ep 9).

New Mexico: Every inexplicable flash or strange aircraft makes us believe we've spotted extraterrestrials - but what if they've been watching us all along? (S1, ep 7).

Henry, Allen and Guy dig through Matt XX's cast-offs, finding a vintage Chopper and a 1950s motorised bicycle. (S3, ep 2).

Worksop 3: David Dickinson travels the country, team in tow, hoping to snap up some good deals. But will the locals take the cash for their antiques or gamble at auction? (S10, ep 34).

Edition. Obscure Weather & Optical Illusions: Tony travels to the Florida coast to investigate strange weather patterns and unexplained phenomena at the Bermuda Triangle. (S1, ep 3).

Weird Events: Andy McGrath embarks on a mission to answer some of Britain's craziest questions, from UFO incidents to the famous Loch Ness Monster. (S2, ep 12).

Monsters Among Us: Tales of monsters and beasts have always sparked both fascination and fear - but do these stories possess elements of truth? (S4, ep 9).

No Place Like Home: Wendy and Glenn Laycock move into a new home, only to find that a previous owner hasn't moved out. (S4, ep 1).

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

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

Creatures Of The Deep: Experts investigate whether alien life forms are thriving in our seas, following Russian cosmonauts' discovery of living plankton in space. (S8, ep 7).

Bluefin Brotherhood: It's a long-standing fishing belief that practicing good karma on the ocean brings good in return. but not every captain plays by the rules. (S6, ep 3).

Total Meltdown: Les delivers some devastating news to the family. Meanwhile, Seth and Ashley scramble to put together an event to celebrate the 30th anniversary of the shop. (S4, 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? (S9, ep 4).

Mother Truckers: Sean enters one of the most unusual, big money auctions yet, Scott and Jesse go head to head, Brandon and Lori take a risk and Papa Bear goes all in. (S2, ep 21).

Rhinestones And Thrones: It's wheels up for Papa Bear when he takes a gamble on a mysterious covered item. (S2, ep 22).

Bear Hunters: Does Big Bear mean Big Money? The Alvarados get sneaky while Desert Dan horses around, and frustration gets the best of Brandori. (S4, ep 23).

Risky Business: Brandon goes out on a limb and finds himself sinking in quicksand with no help from Lori. Will Desert Dan lend him a hand? (S2, ep 24).

Put a Cork in It: A seller comes in with a poster by Henri de Toulouse-Lautrec, Chum unboxes some 1912 Yale baseball uniforms and Rick looks at a ukulele from 1919. (S24, ep 5).

Pawned Lightning: Rick and Corey race to San Diego to take a spin in the classic car Hell's Chariot, from the movie Grease. (S24, ep 6).

Earth Shaker: Troy and Pickle face a familiar foe, while Bill and Tes defend a friend's camp from a slithering invasion. Zak and Aaron's hunt leaves a bad taste in their mouths. (S3, ep 5).

A family are forced to abandon their truck in ferocious floods. In Illinois, the parents of a 22-year-old woman search for her in the rubble of a deadly tornado outbreak. (S2, ep 6).

Mystery Sea Beast, the Earth is Alive and Shapeshifting UFO: What is the mysterious sea beast seen from UK shores? Are summoners able to commune with UFOs? Is the Earth alive? (S3, ep 15).

Mystery Bird Monster, Ancient Alien Satellite and Behemoth of the Sea Bottom: Explore a strange creature caught on camera and a sound so loud it covered the Equatorial Pacific. (S4, ep 6).

Sphinx: The most monumental ancient sculpture in the world, the half-man, half-lion Sphinx arouses the curiosity of the entire planet - but how was such a huge structure built? (S3, ep 5).

Castle of Chambord: Designed on the medieval model of forts with its enclosure and large corner towers, Chambord is France's largest and most iconic castle. (S3, ep 6).

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

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

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

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

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).

An in-depth look into the minds of the astronauts before and after they embarked on their world-changing mission, as rare film and photos piece together the doubts and fears they felt.

Secrets of the Apostles: Ancient texts shed new light on the many competing Christian sects that sprang up in the first centuries after Christ's crucifixion. (Part 1 of 2).

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

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

Zombies: Could the once seemingly far-fetched idea of the undead roaming the planet be closer to happening then we ever thought possible? Are zombies becoming a reality? (S1, ep 5).

Haarp: Are governments around the world using weather control to incite the next World War and possibly destroy the planet? A team of experts investigate. (S1, ep 6).

Lobster Lockdown: Maine's top lobster restaurant confronts the struggles of running a business during the slow winter months, while Greg fishes for ghost gear. (S1, ep 7).

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).

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).

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).

Auction Hunter Shuffle: Ton and Allen teach a cocky new auction hunter a lesson. Then, they get their hands on a hot rod made out of a World War II fighter plane. (S3, ep 3).

High Flying Ton: A fellow buyer tests Ton and Allen's patience at a container auction in Ventura, where they discover parts of a hot air balloon and a 19th-century rifle. (S3, ep 2).

Night of the Digging Dead: Ton and Allen discover a 40s embalming pump and one of the first electric bone saws. They also find a shark cage, but is it safe to use? (S3, ep 1).

Great American Cashtime: In San Diego, the guys get thrown a 50s pitching machine. They also rescue a Jaws of Life tool from the 80s. (S2, ep 26).

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

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

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

Dark Presence: The team investigates growing numbers of flying orbs sightings, with witnesses also experiencing odd dreams, premonitions and deep fear. (S3, ep 11).

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

Out of Place: Discover strange aquatic mammals populating a river in Columbia, a ship marooned in sand along Namibia's Skeleton Coast and a Boeing 727 in a pine forest. (S2, ep 1).

Disaster From Above: Malta loses a natural treasure, an enormous fiery vortex is seen in California and a mysterious radioactive hotspot is found near Chernobyl. (S2, ep 2).

Ocean Mysteries: Discover an underwater find from a violent past, a mysterious concrete 'ghost island' and never-before-seen tracks along the seabed. (S2, ep 4).

A Whole Lot of Holes: Explore some of the most cavernous places on the planet, including a mysterious Siberian crater and Greenland's bizarre black holes. (S2, ep 8).

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).

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).

Gods Of War: Turkey has a history marked by conquerors vying for control of trade routes. Discover how a nation that was often at war turned to its underground for survival. (S3, ep 12).

Behind The Gates: Hot, Hot, Hot Spots: Matty Blake and the team break down how the phenomena, and the locations where they happen on Skinwalker Ranch, may all be connected. (S5, ep 25).

Behind The Gates: Phenomenal Connections: Dr Travis Taylor reviews evidence the team has documented, suggesting they may be close to revealing the secret of Skinwalker Ranch. (S5, ep 26).

The Secrets of the Devil's Bible: A full-page illustration of the Devil and hellish rumours gave the Devil's Bible its nickname, but who really wrote this book? (S7, ep 2).

Belief and Superstition: Science reveals new insights into belief and superstition in the land of the Pharaohs, from finding the long-lost 'Land of Punt' to Tutankhamun. (S1, ep 1).

Egyptian Genius: Journey back in time to understand the brainpower behind Ancient Egypt's revolutionary breakthroughs in every field, from medicine to engineering. (S1, ep 2).

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).

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

No Place Like Home: Wendy and Glenn Laycock move into a new home, only to find that a previous owner hasn't moved out. (S4, ep 1).

Nursing Home Nightmare, the Wailing Walls, Terror in Black and White: A nurse is stalked by a shadow, an EMT is terrorised, and a woman discovers that a nursing home is haunted. (S1, ep 4).

Wexford: In Wexford town, the guys visit visit The Sky and the Ground pub where hoarder landlord Johnny Baron's wife Nuala thinks it's time for a clear-out. (S1, ep 9).

Galway: Ian attends an auction which is selling fittings from the 1914 cruise ship Britannic, sister ship to the Titanic. (S1, ep 10).

Worksop 3: David Dickinson travels the country, team in tow, hoping to snap up some good deals. But will the locals take the cash for their antiques or gamble at auction? (S10, ep 34).

First Lady of Pawn: Rick grapples over a decision when a WWE Hall of Fame ring hits the store. (S17, ep 14).

Titanic Pawn: A 1906 Silver Half Dollar that belonged to a passenger on the Titanic sails into the shop. Will Rick snap it up or will it sink without trace? (S17, ep 16).

Cold Hard Cash: Ton and Allen go north to Alaska and find two enormous seaplane pontoons and a pair of Smith & Wesson revolvers. (S3, ep 5).

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).

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).

Banned For Life: A man wants to buy some super-expensive earrings on the condition that the store also does his piercing. Will the Golds strike a deal? (S5, ep 4).

Rematch: Ashley's nemesis Tressa returns to sell the Rolex that got her fired. Insults start to fly and not even Les can stop Ashley leaping over the counter. (S5, ep 5).

Les Hunts A Thief: Les goes on the rampage when he finds out a thief has been on his premises. Plus, a customer selling a guitar signed by Kid Rock reveals a valuable secret. (S5, ep 7).

New Mexico: Every inexplicable flash or strange aircraft makes us believe we've spotted extraterrestrials - but what if they've been watching us all along? (S1, ep 7).

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).

Killer Jellyfish: The team embarks on a dangerous search in the Sea of Japan and along Australia's Great Barrier Reef to investigate reports of a deadly jellyfish invasion. (S3, ep 14).

Lock, Stock And Pawn: Rick checks out various curious items including a 19th-century Hobbs & Co lock box and an original Woody Woodpecker painting. (S17, ep 18).

Pawn No Evil: Chum checks out a Japanese animatronic monkey - is it worth a pretty penny or is the seller going to make a monkey out of him? (S17, ep 15).

Henry Cole, Allen Millyard and Guy Willison are back! This time, they revamp their stall after picking up a vanload of trinkets. (S3, ep 4).

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).

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).

The Forbidden Zones: Experts question whether the truth of our alien past could be buried in areas that, due to warfare or instability, are off-limits to exploration. (S8, ep 10).

The Space Travelers: 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.

California: California is home to numerous sightings of unidentified flying objects. The size of the state is a recipe for explained and unexplained sightings. (S1, ep 8).

Henry Cole, Allen Millyard and Guy Willison visit Phil and Annika's maze-like sheds, where they find a pair of 1940s motorbikes. (S3, ep 3).

Worksop 4: David Dickinson travels the country, team in tow, hoping to snap up some good deals. But will the locals take the cash for their antiques or gamble at auction? (S10, ep 35).

The Templars: It's believed the Knights Templar owned vast swathes of land, commanded fleets, and lent money to kings. How do we separate the facts from the fiction? (S1, ep 1).

Alcatraz Down Under: Don Wildman ventures down under and goes beneath the streets of one of today's most modern cities, Sydney, to find out what secrets its pavements hide. (S3, ep 13).

The Secrets of the Devil's Bible: A full-page illustration of the Devil and hellish rumours gave the Devil's Bible its nickname, but who really wrote this book? (S7, ep 2).

The Hat of Teeth, the Killer Shockbox and the Amazonian Quiver: Examine a hat emblazoned with teeth, a box with the power to kill and a golden quiver from a Macedonian tomb. (S2, ep 9).

New Mexico: Every inexplicable flash or strange aircraft makes us believe we've spotted extraterrestrials - but what if they've been watching us all along? (S1, ep 7).

Circles from the Sky: Crop circles are a global phenomenon, with 10,000 seen worldwide. But are these strange patterns simply a hoax or could they be proof of UFO activity? (S8, ep 8).

The Alien Wars: Experts investigate whether the US military has a secret space programme, as well as evidence suggesting alien races have been in conflict for millennia. (S8, ep 9).

Who Needs A Captain: Pinwheel leads as the fleet's mates prove their worth. Will they be able to keep their streak or will one of the other crews take the crown? (S6, ep 4).

Stolen Gold: At the new shop, the Golds are chuffed to find a bag of gems inside an old employee's desk. But what will they do if the owner returns to claim his treasure? (S5, 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? (S9, ep 5).

Worksop 4: David Dickinson travels the country, team in tow, hoping to snap up some good deals. But will the locals take the cash for their antiques or gamble at auction? (S10, ep 35).

Lock, Stock And Pawn: Rick checks out various curious items including a 19th-century Hobbs & Co lock box and an original Woody Woodpecker painting. (S17, ep 18).

Pawn No Evil: Chum checks out a Japanese animatronic monkey - is it worth a pretty penny or is the seller going to make a monkey out of him? (S17, ep 15).

Choo-Choo, Cha-Ching: Ton and Allen get a surprise second chance and uncover a 1960s motorised railroad maintenance car and a pre-WWI Japanese semi-automatic pistol. (S3, ep 6).

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).

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).

Full Metal Panic: Ashley comes out from behind the security glass to confront a menacing customer. Later, there's more trouble when a man claims he is robbed in the pawn shop. (S5, ep 8).

Dirty Tape: Ashley's head is put on the chopping block when Seth and Les discover she's to blame for the shop's current cash crisis. (S5, ep 9).

Only In Detroit: Seth finds himself in the cross hairs after his surprise new hire makes a colossal mistake. Ashley is forced to face one of her most insulting customers yet. (S5, ep 10).

California: California is home to numerous sightings of unidentified flying objects. The size of the state is a recipe for explained and unexplained sightings. (S1, ep 8).

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).

Flying Monsters: The team are investigating reports from Papua New Guinea of a terrifying monster with a 20-foot wingspan known as the Demon Flyer. (S3, ep 15).

Pawn of Liberty: Rick feels some good vibrations when an original Beach Boys surfboard rides into the shop, then checks out a unique painting of the Statue of Liberty.

Hidden Pawn: A 1769 set of playing cards with hidden political message shuffles into the shop. Also, Corey checks out a set of Charlie's Angels figurines. (S17, ep 17).

Henry Cole,Allen Millyard and Guy Willison visit top collector Stuart Imber before preparing to sell their latest finds at the Fairford Steam. (S3, ep 5).

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).

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).

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

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

UFOs: Why Are They Here?: Every inexplicable flash or strange aircraft makes us believe we've spotted extraterrestrials - but what if they've been watching us all along? (S1, ep 9).

Henry Cole, Allen Millyard and Guy Willison are back! This time, they revamp their stall after picking up a vanload of trinkets. (S3, 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 26).

The Snake Pit: Troy and Pickle receive a tip about a snake pit. Meanwhile, Bill and Tes investigate a quarry full of pythons and Dusty has a close call with the supernatural. (S3, ep 6).

Some Assembly Required: Vandalism strikes the Wildman shop, inspiring Avery to finish building his Manta Coyote car kit. Meanwhile, Mike plans an auction for his car collection. (S4, ep 4).

Dan Abrams hosts as series four walks you through the most dramatic outbursts and extraordinary moments to ever take place in US courtrooms.