Sweeten the Deal: Jeff's tries to sell a load of candy that will expire in just a few days. Can he pull off a sweet deal - or will things go sour.

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).

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 3).

Wind Beneath My Mill: Rick eyes a giant US Navy Jack, while the team are pitched a signed photo of Cy Young, a 1930s spanker and more.

Ton Voyage: When a ruthless storeowner seems hell-bent on stopping Ton and Allen from scoring new items, they fight back. The guys uncover a rare antique airgun. (S4, ep 18).

Boom Goes The Dynamite?: The buyers venture to auctions in Murieta. Will Rene's territory give Jarrod and Brandi the chance to pull themselves from their recent slump? (S6, ep 9).

The Way of Gam Gam: While in Santa Ana, Lisa channels her grandmother in trying to turn a profit. Meanwhile, Brandi deals with the most frustrating day ever. (S15, ep 9).

Gold Vs Gold: Seth thinks Les is stuck in the past after hand delivering their gold to a refinery - and bets his dad that his new mail order service will improve things. (S12, ep 3).

Karen Vs Ashley: Tensions between Karen and Ashley explode on the sales floor so Les puts them both in the doghouse. (S12, ep 4).

Buy Baby Buy: Les goes on a buying spree that leaves his staff wondering what's going on. Meanwhile, Karen needs Byron's help to handle a pair of unruly piano players. (S12, ep 5).

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).

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).

The Skull that Changed Science, the Bat Bomb and the Stone Age Multitool: Investigating how a skull changed neuroscience and asking if World War II could have been won by a bat. (S2, ep 2).

Hatshepsuth, the Pharaoh Queen: Only the third woman to become Pharaoh in the 3,000-year history of Ancient Egypt, Hatshepsut catapulted to power 14 centuries before Cleopatra. (S2, ep 2).

Bang, Zoom, Pawn on the Moon!: The team check out an autographed Apollo 10 book, a set of Bob Hope's golf clubs and circus sideshow banners.

Four Bidders and a Funeral: Lisa comes to Montebello with a clear mind, intent on letting the lockers speak to her. Ivy lets his son navigate his way to an interesting unit. (S15, ep 10).

Zen Masters Of The Universe: Ivy learns a lesson that radically changes his mind about locker buying. A new strategy sees Darrell spend the most money ever in his career. (S6, ep 10).

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).

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

Boom Goes The Dynamite?: The buyers venture to auctions in Murieta. Will Rene's territory give Jarrod and Brandi the chance to pull themselves from their recent slump? (S6, ep 9).

The Way of Gam Gam: While in Santa Ana, Lisa channels her grandmother in trying to turn a profit. Meanwhile, Brandi deals with the most frustrating day ever. (S15, 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 4).

US Navy Seaman Jesse Castillo sees a boy appear and disappear in Italy, while Military Police Officer Auburn White finds herself levitating after falling asleep. (S1, ep 2).

When something strange is recorded flying in Mexico, some wonder if it's a witch reputed to kidnap children. (S3, ep 7).

Experts investigate whether a controversial union leader's disappearance is linked to the mob or if he went missing on his own accord. (S1, ep 2).

Experts and eyewitnesses explore some of the most-extraordinary happenings at Myrtles Plantation that science can't explain. (S1, ep 3).

Camera - Top 100. New. A collection of standout videos from season one, showcasing the most chilling and unexplainable paranormal activity footage captured by eyewitnesses. (S1, ep 3).

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).

A Texan police officer records a monstrous beast on dashcam. Meanwhile, a surveillance camera captures an ominous explosion in the skies above Hawaii. (S1, ep 5).

New Blood: Les has stainless steel jewellery coming to the shop, which Ashley refuses to sell. But Ashley and Seth's cousin Karen turns up and overrules her. (S11, ep 13).

The Blind Side: When a partner makes a deal using Jeff's money for a load of dirty restaurant equipment, it's up to Jeff to get it sold - fast.

Floor Your Friends: Jeff puts Tom in charge of a huge hardwood flooring deal. Will he rise to the challenge, or raise Jeff's blood pressure.

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).

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

Blowing Smoke: When a container with a shady past lands on the auction block, Mo and Ty prepare themselves to go all in. (S1, ep 14).

Cargo Contraband-O: The competition approaches fever pitch when a container from south of the border lands at the Port of Los Angeles. (S1, ep 15).

Lost at Sea: The biggest auction on the planet sails to the middle of the Pacific Ocean when a mysterious container is dredged up from the bottom of the sea. (S1, ep 16).

Gators and Ghost Towns: As Troy, Chase and Bill mount an airboat to hunt an area where pythons are raiding alligator nests, an unfortunate error could leave them stranded. (S2, ep 4).

The Time Is Now: It's the last week of the season and the Gloucester captains battle it out for their final bluefin in a close finish. (S6, ep 12).

Lighten Up: The eight artists are challenged to make a light fixture using techniques such as colour wrapping, hot sculpting and making bubbles with baking soda. (S1, ep 3).

Clash of the Robots: The seven contestants put their skills into making a glassy robot prototype that can preform chores and tasks. (S1, ep 4).

Bowling Over the Competition: With 11 competitors remaining, a bowling challenge strikes up laughs before a shocking elimination catches everyone by surprise. (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).

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).

Aliens: An email leads to what could be an underwater UFO base, and the team check out claims of a possible alien satellite orbiting the earth. (S1, ep 2).

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 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).

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).

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).

The Roswell Rock: Ancient Aliens' Giorgio Tsoukalos investigates whether aliens lie at the heart of Earth's most famous mysteries, beginning with the enigma of Roswell Rock. (S1, ep 1).

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).

Karen's Big Idea: Karen brings in a Feng Shui expert in the hope of boosting sales and gaining a positive energy. But Ashley and Seth have some serious doubts. (S13, ep 5).

The Estate Sale: Ashley and Les head off to a huge estate sale, Seth takes a custom Corvette go-kart for a spin and Karen eyes up a piece of `70s movie memorabilia. (S13, ep 6).

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).

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).

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).

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

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

The year is 1946, and five desperate convicts launch a brilliant escape plan. That is, until mayhem erupts, and the Rock becomes the site of a dramatic and violent stand-off. (2 of 2).

Growing Pains: Les has the opportunity to get his hands on truckloads of brand new goods that could change the store forever. (S11, ep 4).

Drama Online Part 1: When Ashley helps Seth use the internet, all hell breaks lose when she puts a rare Olympic torch from Seth's personal collection up for sale. (S11, ep 5).

Drama Online Part 2: Ashley has to face the consequences of her rash decision, Seth takes a ride in a hovercraft and Les does business with Muhammad Ali Jr. (S11, ep 6).

Daddy Daughter Dance: When Ashley steals a deal from right under Les's nose, the family decides to hold a father-daughter sales competition. (S11, ep 7).

Seth's Gamble Part 1: When Les finds out that Seth has spent thousands of dollars at a sports card auction, he challenges his son to sell all the new items within a week. (S11, ep 8).

Seth's Gamble Part 2: After spending a fortune on sports memorabilia, Seth rushes to sell it all before his dad's deadline. Later, Les checks out a Starfire Convertible. (S11, ep 9).

Seth's Soft Side: Seth has his eye on a valuable guitar, a customer tries to buy a fancy watch and Les strikes a deal. (S11, ep 10).

Guards Go Home: When the security guards start spooking customers, Les sends them home to teach them a lesson. (S11, ep 11).

Busted Deal: Les makes a major deal with a new supplier for a truckload of TVs, before getting excited over some rare Detroit Tigers baseball memorabilia. (S11, ep 12).

New Blood: Les has stainless steel jewellery coming to the shop, which Ashley refuses to sell. But Ashley and Seth's cousin Karen turns up and overrules her. (S11, ep 13).

Separation Anxiety: With Ton missing, Allen struggles to keep the pawn shop afloat while training Elle to work an auction. (S4, ep 14).

Allen Vs. Ton: When Ton and Allen find themselves bidding against each other at an auction, their epic showdown leaves both their business and friendship in question. (S4, ep 15).

You Got Served: After a crushing defeat, the guys scramble to find new merchandise at a yard sale. (S4, ep 16).

Without A Chute: After a tough auction, things get worse when the shop's landlord wants to talk. (S4, ep 17).

Could Hitler's crazed quest for world domination have been influenced by aliens? Experts reveal the extraterrestrial secret Hitler may have been hiding and where it is now. (S1, ep 10).

The Roswell Rock: Ancient Aliens' Giorgio Tsoukalos investigates whether aliens lie at the heart of Earth's most famous mysteries, beginning with the enigma of Roswell Rock. (S1, ep 1).

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 Civilisations: Nubian pyramids reveal the rise of female power in Ancient Kush, while satellite images uncover secrets of an ancient Puebloan site in New Mexico. (S1, ep 5).

Unreachable Places: Discover strange markings in the remote region of Northern Finland and reveal secrets found deep in the Antarctic. (S1, ep 6).

Ghost Towns: Drones reveal what is left of Henry Ford's suburb in the Amazon, while clues to what killed a once-vibrant Pennsylvania mining town is discovered. (S1, ep 7).

Desert Mysteries: Look down over a constant inferno in Turkmenistan, mysterious circles in the Namibian desert and secret electric blue ponds in Utah. (S1, ep 8).

Lost at Sea: Witness a remote island linked to one of the world's most famous aviation mysteries and explore thousands of shipwrecks in the Bermuda Triangle. (S1, ep 9).

The Planet Unlocked: The Pyramids of Giza could be a map of the stars. First responders bring hope during Hurricane Katrina. An Indonesian volcano erupts in a shade of blue. (S1, ep 10).

Cardiff: Dan Jones explores the history of Cardiff castle over more than 2,000 years and reveals how it transformed into a lavish Victorian home. (2 of 5).

A Quadrilateral Move: As the drilling operation gets closer and closer to its destination, the team are shocked to discover evidence of an ancient safe. (S10, ep 18).

Empress of Britain: A fabulous cruise ship for the super wealthy, the Empress of Britain was called up for war duty and entered an epic final battle with the German Luftwaffe. (S2, ep 5).

Carl Wark - Saxon Frontier Fortress: The team investigates the origins of a hill fort situated on Hathersage Moor in the Peak District. (S3, ep 6).

France's Man in Moscow: Vladimir Vetrov was a KGB officer who worked for the French intelligence service. He passed on vital documents to President Ronald Reagan. (S1, ep 2).

The Amber Room: Explore the mystery that spawned a 75-year quest for an incomparable work of art worth half a billion dollars, lost without a trace. (S1, ep 3).

Aliens: An email leads to what could be an underwater UFO base, and the team check out claims of a possible alien satellite orbiting the earth. (S1, ep 2).

Cut Me A Deal: A collector brings in a couple of heavies to intimidate Jeff into giving him a good deal.

Desperate Measures: A competitor shows up at Jeff's door with a truckload of mattresses. Can Jeff get them at a low price.

Volvo: Gus and Will lay their hands on a potentially very valuable Volvo. It's great to look at, but doesn't start and can't stop. Can they fix it in time for auction? (S1, ep 7).

Mercedes: Gus and Will splash out £550 on a garage owner's Mercedes 190. But if he can't fix it, can they? (S1, ep 8).

Mazda: Gus and Will take on a Mazda MX-5 that's been given some real boy racer attitude. Can they return it to its former glory? (S1, 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 4).

Bang, Zoom, Pawn on the Moon!: The team check out an autographed Apollo 10 book, a set of Bob Hope's golf clubs and circus sideshow banners.

New. You Foos You Lose: Ton and Allen need to raise money to fix their truck. They score a foosball table, Tommy Gun drums and a treasure trove of Twinkies. But is it enough? (S4, ep 19).

Zen Masters Of The Universe: Ivy learns a lesson that radically changes his mind about locker buying. A new strategy sees Darrell spend the most money ever in his career. (S6, ep 10).

Four Bidders and a Funeral: Lisa comes to Montebello with a clear mind, intent on letting the lockers speak to her. Ivy lets his son navigate his way to an interesting unit. (S15, ep 10).

Shakedown!: A hustler tries to make Les an offer he can't refuse, but the Golds fight back and turn the tables on the shady customer. (S12, ep 6).

Along Came a Spider: Ashley pranks Seth to teach him a lesson about locking his door, but Seth evens the score with a practical joke of his own. (S12, ep 7).

Inside Job: When the Golds uncover a series of bogus pawns, their investigation leads to a trusted employee and a confession. (S12, ep 8).

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

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).

The King's Mask, the Nazi Plate and the Stonehenge Drums: Exploring the origin of a death mask, three carvings which could shed light on Stonehenge and a plate found in Austria. (S2, ep 3).

Amenhotep III, the Great Builder: In a time of comparative peace, this ruler of Ancient Egypt dedicated his time to diplomacy and extensive building in Egypt and Nubia. (S2, ep 3).

Mystery Safe: Rick and Chum try to sniff out deals for Superman pyjamas and a vintage industrial slicer. Also, a helmet signed by Mario Andretti find its way into the shop.

We Fun-Did it!: Ivy drags Isaiah to Victorville as punishment for getting Cs on his report card, while Kenny wants to furnish his new house. (S15, ep 12).

Darrell Sheets The Bed: Ivy and Rene team up in an attempt to shut Darrell and Brandon out of the bidding. Jarrod and Brandi fall in love with locker buying again. (S6, ep 11).

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).

On Location - Incredible Structures: Investigate 75 million years of credible evidence suggesting aliens have visited Earth. From cave drawings to phenomena in the skies. (S14, ep 11).

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).

Zen Masters Of The Universe: Ivy learns a lesson that radically changes his mind about locker buying. A new strategy sees Darrell spend the most money ever in his career. (S6, ep 10).

Four Bidders and a Funeral: Lisa comes to Montebello with a clear mind, intent on letting the lockers speak to her. Ivy lets his son navigate his way to an interesting unit. (S15, ep 10).

Join antiques expert and presenter David Dickinson as more collectors try to sell their items to dealers. Will they strike a deal or take a chance at auction instead? (S8, ep 5).

Ramping Up: After a long wait, the fellowship gets permission to return to their excavation in the swamp. Almost immediately, they make a fascinating discovery. (S10, ep 19).

Mysterious Mongol Massacre: Archaeologists in Russia find several mass graves, a World War II plane sits on a Canadian mountain and cosmic rays in Antarctica have stump experts. (S3, ep 3).

Empress of Britain: A fabulous cruise ship for the super wealthy, the Empress of Britain was called up for war duty and entered an epic final battle with the German Luftwaffe. (S2, ep 5).

The Secrets of Acaponeta: According to a 1980s author and historian, the Spanish have a long and hidden history of gold exploration in Pitt Lake - and Slumach found their cache. (S2, ep 2).

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

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).

Gold Vs Gold: Seth thinks Les is stuck in the past after hand delivering their gold to a refinery - and bets his dad that his new mail order service will improve things. (S12, ep 3).

Eyes on the Prize: Dirty Dave appears with a nice looking table. Jeff may do surprisingly well out of his unexpected appearance, as he is keen on another item. (S4, ep 10).

The Right Combination: When Jeff puts out a call for coin-operated lockers, he finds himself with hundreds more than he needs, and no place to store them. (S4, ep 11).

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).

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 5).

Mystery Safe: Rick and Chum try to sniff out deals for Superman pyjamas and a vintage industrial slicer. Also, a helmet signed by Mario Andretti find its way into the shop.

New. Allen's Big Crush: The guys battle it out with a fierce former employee. When all hope seems lost, a set of monster truck tyres and a mystery box could help them score big. (S4, ep 20).

Darrell Sheets The Bed: Ivy and Rene team up in an attempt to shut Darrell and Brandon out of the bidding. Jarrod and Brandi fall in love with locker buying again. (S6, ep 11).

We Fun-Did it!: Ivy drags Isaiah to Victorville as punishment for getting Cs on his report card, while Kenny wants to furnish his new house. (S15, ep 12).

The Hot Rod: Les and Seth visit a customer with a garage full of amazing vintage cars. Against his kids' wishes, Les offers big money for one of the seller's golden oldies. (S12, ep 9).

Ashley in Charge: With Les and Seth away at the Autorama car show - and Ashley in charge of the store - the employees go a little crazy. (S12, ep 10).

Karen in the Middle: Karen tries to make peace between Seth and Ashley, Bobby J takes a two-storey tractor for a spin and a watch snob riles Seth. (S12, ep 11).

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).

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).

The Psychograph, the Blood Mask and the Cursed Chicken Pot: Investigate a machine which can supposedly read personalities, a mask painted with human blood and a cursed pot. (S2, ep 4).

Akhenaton, the Enigma: Despite the short-lived nature of Akhenaton's religious reform, his artistic legacy influenced the work of future craftsmen. (S2, ep 4).

Pawnfellas: The team check out a World War II mortar, handcuffs from an iconic prison and a bar of soap that doubles up as an obesity cure.

San Brandi-Dino!: Brandi is fired up about expanding her brand in San Bernardino, while Rene is positive that everyone is out to get him. (S15, ep 13).

The Donut Effect: Darrell finds a sweet way to distract the other bidders. Meanwhile, Jarrod and Brandi plan a four-year anniversary party for their Orange Store. (S6, ep 12).

Giorgio Tsoukalos takes a look back at the most extraordinary encounters that, as far as he's concerned, provide evidence of an extraterrestrial presence on Earth.

Giorgio Tsoukalos takes a look back at the incredible hieroglyphs, petroglyphs, and geoglyphs that he believes tell a worldwide story of alien visitation.

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).

Darrell Sheets The Bed: Ivy and Rene team up in an attempt to shut Darrell and Brandon out of the bidding. Jarrod and Brandi fall in love with locker buying again. (S6, ep 11).

We Fun-Did it!: Ivy drags Isaiah to Victorville as punishment for getting Cs on his report card, while Kenny wants to furnish his new house. (S15, ep 12).

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 6).

Bird Abodes and Big Bugs: This week's challenges involve the birds and the bees. The contestants design epic birdhouses before supersizing tiny insects in only seven hours. (S1, ep 3).

Thirsty Work: The contestant's next challenge is to make drinking glasses and decanters in a combination of fashion and function. (S1, ep 5).

Pop Art Blowup: The remaining contestants must get creative to make colourful works of art out of everyday household items. (S1, ep 6).

Judges, witnesses and victims recount their stories of the most dramatic moments to take place inside America's courtrooms. Dan Abrams hosts. (S4, ep 1).

Judges, witnesses and victims recount their stories of the most dramatic moments to take place inside America's courtrooms. Dan Abrams hosts. (S4, ep 2).

Outlaw Country: Troy, Chase, and Bill gamble on a long journey into the centre of the Everglades, while Bruce and Zak head deep into outlaw country on the hunt for hidden snakes. (S2, 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).

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).

Shakedown!: A hustler tries to make Les an offer he can't refuse, but the Golds fight back and turn the tables on the shady customer. (S12, ep 6).

Worth His Salt: When Jeff forgets to book staff for an auction he's forced to step in as cashier, clerk, lock cracker and auctioneer. (S4, ep 12).

Profit Wars: Jeff has a heap of weapons he wants to turn into quick cash. But will his associate Sam help him out - or turn him over? (S4, ep 13).

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).

On Location - Incredible Structures: Investigate 75 million years of credible evidence suggesting aliens have visited Earth. From cave drawings to phenomena in the skies. (S14, ep 11).

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 6).

Pawnfellas: The team check out a World War II mortar, handcuffs from an iconic prison and a bar of soap that doubles up as an obesity cure.

New. Nothing But Net: Ton and Allen face their toughest challenge yet when two old rivals join forces. The guys dig up an off-road motorcycle and a pair of net guns. (S4, ep 21).

The Donut Effect: Darrell finds a sweet way to distract the other bidders. Meanwhile, Jarrod and Brandi plan a four-year anniversary party for their Orange Store. (S6, ep 12).

San Brandi-Dino!: Brandi is fired up about expanding her brand in San Bernardino, while Rene is positive that everyone is out to get him. (S15, ep 13).

Million Dollar Deal Part 1: A ventriloquist leaves Karen and Bobby J speechless, while an angry mixed martial arts fighter takes a swing at Byron. (S12, ep 12).

Million Dollar Deal Part 2: The Golds' million dollar art deal takes more twists and turns, but eventually, Les shakes hands on the single biggest purchase in store history. (S12, ep 13).

Million Dollar Resolve: The Golds have the opportunity of a lifetime when they stumble upon pieces of art that could be worth millions. But will they be able to cash in? (S13, 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).

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).

The Sphere, the Prophecy Machine and the Canary: Examine claims Nostradamus predicted Hitler. Plus, learn about the canary resuscitator and a tiny object with the power to kill. (S2, ep 5).

Nefertiti, the Beauty Becomes Queen: Wife to King Akhenaton, Nefertiti's portrait bust - now located in Berlin - is one of the most well-known ancient sculptures in existence. (S2, ep 5).

A Dam Good Road Trip: An antique heater gets Chum's temperature rising. Rick is dazzled by an impressive sculpture and the guys hit the road to travel an iconic American highway.

Your Pawpaw Loves You!: Lisa gets nostalgic as she returns to Moreno Valley, while Kenny welcomes a new granddaughter to the clan and searches for the perfect unit. (S15, ep 14).

The Gutfather: Rene gets superstitious as he hopes to strike it lucky for a second time at auctions in Fontana. Ivy goes with his gut. But will his instincts pay off? (S6, ep 17).

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

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).

The Donut Effect: Darrell finds a sweet way to distract the other bidders. Meanwhile, Jarrod and Brandi plan a four-year anniversary party for their Orange Store. (S6, ep 12).

San Brandi-Dino!: Brandi is fired up about expanding her brand in San Bernardino, while Rene is positive that everyone is out to get him. (S15, ep 13).

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 7).

Experts consider if a man could be the product of government attempts at creating a super soldier or the failed result of a mind-control experiment. (S8, ep 8).

Numerous aviation disasters are associated with the number 191, leading many airlines to refuse to schedule a flight 191 out of skepticism and fear. (S1, ep 4).

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).

Mysterious Mongol Massacre: Archaeologists in Russia find several mass graves, a World War II plane sits on a Canadian mountain and cosmic rays in Antarctica have stump experts. (S3, ep 3).

From the Morgue and Obsession: A forensic technician is horrified to discover the dead have followed him home from the morgue. (S2, ep 13).

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 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).

The Hot Rod: Les and Seth visit a customer with a garage full of amazing vintage cars. Against his kids' wishes, Les offers big money for one of the seller's golden oldies. (S12, ep 9).

Not My First Rodeo: Jeff and Daniel meet unexpected challenges as they hit the road to Vancouver Island, hoping to pick up out-of-the-way deals for almost nothing. (S5, ep 1).

Head and Tails: When the company next door wants to unload $100k worth of motors, Jeff has to choose between making friends and making money. (S5, ep 2).

Giorgio Tsoukalos takes a look back at the most extraordinary encounters that, as far as he's concerned, provide evidence of an extraterrestrial presence on Earth.

Giorgio Tsoukalos takes a look back at the incredible hieroglyphs, petroglyphs, and geoglyphs that he believes tell a worldwide story of alien visitation.

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 7).

A Dam Good Road Trip: An antique heater gets Chum's temperature rising. Rick is dazzled by an impressive sculpture and the guys hit the road to travel an iconic American highway.

New. Hall Of Fame Game: Allen heads to an auction with Elle, while Ton and Big Sis revamp the shop to help bring in more customers. Allen unearths a Ouija board. (S4, ep 22).

The Gutfather: Rene gets superstitious as he hopes to strike it lucky for a second time at auctions in Fontana. Ivy goes with his gut. But will his instincts pay off? (S6, ep 17).

Your Pawpaw Loves You!: Lisa gets nostalgic as she returns to Moreno Valley, while Kenny welcomes a new granddaughter to the clan and searches for the perfect unit. (S15, ep 14).

High Roller: Les hands out his biggest loan ever on a luxurious Rolls Royce. Will this latest gamble pay off or will another shady transaction leave Les's ego in tatters? (S13, ep 2).

The Drag Race: When Les puts the kibosh on Seth's outlandish plan to boost business, father and son head to the race track to decide who's boss. (S13, ep 3).

Lights, Camera, Drama!: The Golds gear up to shoot a new commercial for the store which can only mean drama. Will everyone be happy with the final result? (S13, ep 4).

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).

Freak of the Deep: Deep-sea explorers discover a monster thousands of feet deep in the ocean, killer fog threatens a US town, and a truck spontaneously explodes on a freeway. (S2, ep 1).

The Pyramid Tool Kit, the Killer Foot Machine and the Lost Head: Examine an ancient pyramid toolkit, a device that unleashes lethal X-rays and a divisive terracotta sculpture. (S2, ep 6).

Tutankhamun, the Pharaoh with the Fabulous Treasure: The discovery of Tutankhamun's largely intact tomb in 1922 was arguably more significant than his short reign as a pharaoh. (S2, ep 6).

A Loose Cannon: Chum is d'oh-lighted when a seller comes in with a giant collection of figurines from The Simpsons. Meanwhile, Corey checks out an old playing card shuffler.

Strings & Beans: Ivy takes on a supervisory role in Stanton which leads him to some Slavic success, while Brandi tries to help Danielle decorate her new apartment. (S15, ep 15).

Grin And Barry It: Barry sets out to humiliate Ivy in the next set of auctions. Rene is in for a nasty surprise, while Jarrod and Brandi find themselves surrounded by pigs. (S6, ep 14).

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

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).

The Gutfather: Rene gets superstitious as he hopes to strike it lucky for a second time at auctions in Fontana. Ivy goes with his gut. But will his instincts pay off? (S6, ep 17).

Your Pawpaw Loves You!: Lisa gets nostalgic as she returns to Moreno Valley, while Kenny welcomes a new granddaughter to the clan and searches for the perfect unit. (S15, ep 14).

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 8).

The Hunt For Atlantis: New clues narrow down the possible location of Atlantis and suggest that Plato's mysterious island was the home of an advanced civilisation. (S1, ep 2).

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).

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

Experts investigate the mystery of the Solway Firth Spaceman - a spacesuit-clad figure who strangely appeared in a photograph taken in Cumbria. (S1, ep 12).

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 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).

Million Dollar Deal Part 1: A ventriloquist leaves Karen and Bobby J speechless, while an angry mixed martial arts fighter takes a swing at Byron. (S12, ep 12).

Flip Flop: When Jeff only has eight hours to sell a hotel's worth of falling-apart furniture, will he manage to turn a pile of garbage into gold? (S5, ep 3).

Bucked Off: When Jeff finds negotiating with a couple of professional pickers in Alberta too easy, his warning system begins to go off. Will he figure out the catch in time? (S5, ep 4).

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

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 8).

A Loose Cannon: Chum is d'oh-lighted when a seller comes in with a giant collection of figurines from The Simpsons. Meanwhile, Corey checks out an old playing card shuffler.

Cashville, Tennessee: Ton and Allen hit the road for Nashville, where they rumble with a band of tough, high-bidding bikers. The guys discover a 37mm anti-tank gun. (S4, ep 23).

Grin And Barry It: Barry sets out to humiliate Ivy in the next set of auctions. Rene is in for a nasty surprise, while Jarrod and Brandi find themselves surrounded by pigs. (S6, ep 14).

Strings & Beans: Ivy takes on a supervisory role in Stanton which leads him to some Slavic success, while Brandi tries to help Danielle decorate her new apartment. (S15, ep 15).

Karen's Big Idea: Karen brings in a Feng Shui expert in the hope of boosting sales and gaining a positive energy. But Ashley and Seth have some serious doubts. (S13, ep 5).

The Estate Sale: Ashley and Les head off to a huge estate sale, Seth takes a custom Corvette go-kart for a spin and Karen eyes up a piece of `70s movie memorabilia. (S13, ep 6).

Professor Les: Les gets invited to give a lecture at a local business school. Meanwhile, Ashley and Bobby J go to war over a collection of Nerf guns. (S13, ep 7).

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).

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).

The Jericho Head, the Cloudbuster and the Map: Examine a 9,000-year-old clay head, a 1950s machine built to control the weather and a map which could be the oldest ever found. (S2, ep 7).

Queen Tiye: Examine the story of Queen Tiye, who - over 3,000 years ago - surpassed her rivals and inspired a religious revolution that changed Egypt and the world. (S1, ep 1).

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.

Pin Up or Shut Up: Dusty and Lupe pedal their way to an auction, but end up needing the truck. Meanwhile, Darrell pins his hopes on a small, overpriced locker. (S15, ep 16).

The Adventures of Max Profit: Ivy is on the hunt for high-end items in Moreno Valley, while Jarrod reveals to Brandi an alter ego known as Max Profit. (S6, ep 15).

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, including events that he believes represent real encounters with extraterrestrial visitors.

Return of the Egyptian Gods: A British woman in the 20th century stunned Egyptologists by accurately locating structures and artefacts. Perhaps she had an otherworldly agenda? (S14, ep 20).

Thousands of UFO sightings and abductions are reported every year. This series examines these accounts and casts new light on historic cases. (S1, ep 1).

Grin And Barry It: Barry sets out to humiliate Ivy in the next set of auctions. Rene is in for a nasty surprise, while Jarrod and Brandi find themselves surrounded by pigs. (S6, ep 14).

Strings & Beans: Ivy takes on a supervisory role in Stanton which leads him to some Slavic success, while Brandi tries to help Danielle decorate her new apartment. (S15, ep 15).

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 9).

In Cyprus, a UN peacekeeper fights off deadly foe with the help of a mysterious power. Meanwhile, a strange presence is encountered at an Alaskan air force base. (S1, ep 3).

Experts consider if a man could be the product of government attempts at creating a super soldier or the failed result of a mind-control experiment. (S8, ep 8).

Numerous aviation disasters are associated with the number 191, leading many airlines to refuse to schedule a flight 191 out of skepticism and fear. (S1, ep 4).

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).

Camera - Top 100. A collection of standout videos from season one, showcasing the most chilling and unexplainable paranormal activity footage captured by eyewitnesses. (S1, ep 4).

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).

Freak of the Deep: Deep-sea explorers discover a monster thousands of feet deep in the ocean, killer fog threatens a US town, and a truck spontaneously explodes on a freeway. (S2, ep 1).

High Roller: Les hands out his biggest loan ever on a luxurious Rolls Royce. Will this latest gamble pay off or will another shady transaction leave Les's ego in tatters? (S13, ep 2).

Tooling Around: Jeff struggles to flip a deal for antique tools as he makes his way home from Alberta. (S5, ep 5).

Jose 'Em Down: When Jeff tries to make a deal at his vet's office, his business goes to the dogs. Will he fare any better by letting José take the reins on the next one? (S5, ep 6).

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

Seeing Green: Mo and Ty set their sights on a container from Mexico, but could everything inside be damaged goods? The Israelis pin their hopes on a mysterious wooden crate. (S2, ep 1).

Bizarre Ending: Mio and the Israelis join forces on a container from Africa, A collection of strange items spark an intense bidding war. (S2, ep 2).

The Big Apple: Containers from New York make their way to Long Beach, California, bidders are interested in a billionaire's unclaimed goods and a one-of-a-kind auction is held. (S2, ep 3).

Eight Tons of Fun: Bidders battle over a super heavyweight freight, while a container filled with outdoor adventure equipment holds a surprise. (S2, ep 4).

Outlaw Country: Troy, Chase, and Bill gamble on a long journey into the centre of the Everglades, while Bruce and Zak head deep into outlaw country on the hunt for hidden snakes. (S2, ep 5).

Worst to First: It's opening day of the bluefin tuna season, and the first fish can bring big money. With a payday at stake, every captain is fighting to land a tuna. (S7, ep 1).

Thirsty Work: The contestant's next challenge is to make drinking glasses and decanters in a combination of fashion and function. (S1, ep 5).

Pop Art Blowup: The remaining contestants must get creative to make colourful works of art out of everyday household items. (S1, ep 6).

Bird Abodes and Big Bugs: This week's challenges involve the birds and the bees. The contestants design epic birdhouses before supersizing tiny insects in only seven hours. (S1, ep 3).

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).

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).

Lost: The Unexplained hunts for the truth about a legendary 1980s arcade game linked to the CIA's mind control programme, MK-Ultra. (S1, ep 4).

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).

On Location - Incredible Structures: Investigate 75 million years of credible evidence suggesting aliens have visited Earth. From cave drawings to phenomena in the skies. (S14, ep 11).

Giorgio Tsoukalos takes a look back at the most extraordinary encounters that, as far as he's concerned, provide evidence of an extraterrestrial presence on Earth.

Giorgio Tsoukalos takes a look back at the incredible hieroglyphs, petroglyphs, and geoglyphs that he believes tell a worldwide story of alien visitation.

Giorgio Tsoukalos takes a look back at the most compelling investigations of all, and events that he believes represent real encounters with extraterrestrial visitors.

The Hunt For Atlantis: New clues narrow down the possible location of Atlantis and suggest that Plato's mysterious island was the home of an advanced civilisation. (S1, ep 2).

Cloning: Animal cloning has been a reality for decades but the disturbing truth is that human cloning may be much closer than you think. (S1, ep 7).

Bigfoot: Is this half-man, half-ape simply a figment of our collective imagination or does he really exist? Experts ask whether he is being hidden from us and why. (S1, ep 8).

Professor Les: Les gets invited to give a lecture at a local business school. Meanwhile, Ashley and Bobby J go to war over a collection of Nerf guns. (S13, ep 7).

War On The Floor: Les questions Ashley's management skills when two employees get into a fight on the shop floor. Meanwhile, Seth stumbles upon a potentially huge deal. (S13, ep 8).

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).

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).

Triple X: Our buyers bid big to win a locker packed with what looks like rare art, but will the winner walk away with cash or counterfeits? (S1, ep 16).

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

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

Judges, witnesses and victims recount their stories of the most dramatic moments to take place inside America's courtrooms. Dan Abrams hosts. (S4, ep 1).

Judges, witnesses and victims recount their stories of the most dramatic moments to take place inside America's courtrooms. Dan Abrams hosts. (S4, ep 2).

Shakedown!: A hustler tries to make Les an offer he can't refuse, but the Golds fight back and turn the tables on the shady customer. (S12, ep 6).

Along Came a Spider: Ashley pranks Seth to teach him a lesson about locking his door, but Seth evens the score with a practical joke of his own. (S12, ep 7).

Inside Job: When the Golds uncover a series of bogus pawns, their investigation leads to a trusted employee and a confession. (S12, ep 8).

The Hot Rod: Les and Seth visit a customer with a garage full of amazing vintage cars. Against his kids' wishes, Les offers big money for one of the seller's golden oldies. (S12, ep 9).

Ashley in Charge: With Les and Seth away at the Autorama car show - and Ashley in charge of the store - the employees go a little crazy. (S12, ep 10).

Karen in the Middle: Karen tries to make peace between Seth and Ashley, Bobby J takes a two-storey tractor for a spin and a watch snob riles Seth. (S12, ep 11).

Million Dollar Deal Part 1: A ventriloquist leaves Karen and Bobby J speechless, while an angry mixed martial arts fighter takes a swing at Byron. (S12, ep 12).

Million Dollar Deal Part 2: The Golds' million dollar art deal takes more twists and turns, but eventually, Les shakes hands on the single biggest purchase in store history. (S12, ep 13).

Million Dollar Resolve: The Golds have the opportunity of a lifetime when they stumble upon pieces of art that could be worth millions. But will they be able to cash in? (S13, ep 1).

High Roller: Les hands out his biggest loan ever on a luxurious Rolls Royce. Will this latest gamble pay off or will another shady transaction leave Les's ego in tatters? (S13, ep 2).

New. You Foos You Lose: Ton and Allen need to raise money to fix their truck. They score a foosball table, Tommy Gun drums and a treasure trove of Twinkies. But is it enough? (S4, ep 19).

New. Allen's Big Crush: The guys battle it out with a fierce former employee. When all hope seems lost, a set of monster truck tyres and a mystery box could help them score big. (S4, ep 20).

New. Nothing But Net: Ton and Allen face their toughest challenge yet when two old rivals join forces. The guys dig up an off-road motorcycle and a pair of net guns. (S4, ep 21).

New. Hall Of Fame Game: Allen heads to an auction with Elle, while Ton and Big Sis revamp the shop to help bring in more customers. Allen unearths a Ouija board. (S4, ep 22).

Experts investigate the mystery of the Solway Firth Spaceman - a spacesuit-clad figure who strangely appeared in a photograph taken in Cumbria. (S1, ep 12).

The Hunt For Atlantis: New clues narrow down the possible location of Atlantis and suggest that Plato's mysterious island was the home of an advanced civilisation. (S1, ep 2).

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).

New York: What's at the heart of the Big Apple? Explore a tangle of engineering, history and secrets that make up a dark urban underworld labyrinth. (S1, ep 8).

Rome: The Rise: Beneath the modern city streets, ancient underground neighbourhoods and sewerage systems reveal the technological marvels that helped advance an empire. (S1, ep 10).

Scotland's Sin City: From plague victims being buried alive, to body snatchers, illegal distilleries and castle dungeons, Edinburgh's underground world has many stories to tell. (S1, ep 11).

Secret Pagan Underground: Cappadocia: The castles and dungeons of the Hittites are hidden beneath the sandy lunar landscape of Cappadocia. Why did this ancient empire fall? (S1, ep 12).

Underground Bootleggers: Slave tunnels, gambling dens and opium runners: welcome to the 100 year-old underworld history of Portland, Oregon, known for being a city full of vice. (S1, ep 13).

New. Istanbul: Istanbul is where east meets west. Where the past and present collide. Leading archeologists and experts reveal its hidden history. (S1, ep 14).

York: Dan explores the history of York's castle, from the Viking Jorvik and the Normans, to the dark days of the anti-Jewish pogrom and the imprisonment of the Knights Templar. (3 of 5).

Ramping Up: After a long wait, the fellowship gets permission to return to their excavation in the swamp. Almost immediately, they make a fascinating discovery. (S10, ep 19).

Oceanos: After being foundered in a storm, Oceanos was abandoned by many of her crew - including the negligent captain - leaving hundreds of passengers stranded on board. (S2, ep 4).

Waterloo Dead: On its 200th anniversary, a team of experts uncover hidden mysteries of the Battle of Waterloo - one of the greatest and bloodiest battles ever fought. (S3, ep 7).