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Explore the controversial theory that ancient elongated skulls found worldwide may have an extraterrestrial origin.

Going by ancient cultures' depictions of gods appearing as animals, could it be that extraterrestrials bear more resemblance to animals than humans.

While many believe in reincarnation, experts suggest that extraterrestrials designed the human body to be a vessel for otherworldly beings.

Seth makes a huge mistake that threatens to land the store in financial disaster. As he scrambles to correct it, Ashley spills the beans to Les.

Les works at breakneck pace to customise a $20,000 diamond ring. And when Ashley unjustifiably derails the sale, no-one blames Seth for hitting the roof.

A customer hits the roof after Seth busts him for trying to flog fake goods. Later, panic grips the staff as a farmer lets an animal loose in the shop.

Les is furious to learn that dealers are poaching his customers. And things get worse when he informs a client that the bling on their diamond watch is bogus.

Ashley splashes out on a worthless roulette table, sparking one of the biggest fights in Gold family history.

Ashley returns to put Seth in his place. Meanwhile, a customer who has been robbed looks to sell her last remaining possession.

Security catch a burglar in the parking lot but when they drag her inside, the Golds are hit with a huge surprise.

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

Mike visits a time-capsule drugstore in Indiana, while Robbie and Jersey comb through a five-generation farmstead in West Virginia.

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

The many variants of this single piston engine fighter bomber helped dominate the air to ground attack role in Vietnam, earning quite a reputation.

The definitive combat helicopter debuted in Southeast Asia, serving as transport, gunship, smoke ship, command center, MediVac and many other roles.

After settlers encroach on Native lands, Miami Chief Little Turtle leads the Northwest Confederacy to victory over US forces.

John Colter, famed hunter, joins the fur trade. Ignoring Blackfeet warnings about hunting sacred beaver on their land, he's captured and must run for his life.

New discoveries on Oak Island link the stone road and Money Pit to clues over 2000 miles away in the search for lost treasure. Could the answers lie in the shores.

The Return Of The Return Of San Burrito: As the buyers head back to San Bernardino, Kenny channels an old friend's tactics, allowing him to pick just the right unit.

..Is Lisa's Trash: The buyers head to Montebello, where there are a large number of lockers for auction and Brandi has the resale market covered.

6th June 1944, the day that British, US and Canadian troops were sent across the English Channel to begin the job of reclaiming continental Europe.

A chronological telling of the dramatic D-Day story, focusing on the vessels that made the landings possible.

Retrace the 100 days of battle as the Allies liberated Normandy, broke through the German line and paved the way towards victory. (S1, ep 1 of.

Retrace the 100 days of battle as the Allies liberated Normandy, broke through the German line and paved the way towards victory. (S1, epof.

While the allies aim to end Hitler's domination of Western Europe, British troops are secretly being trained for an enormous, amphibious operation. (1 of.

In June 1944, the Allied armada launches an assault on the Normandy coast, with soldiers charging in successive waves on a successful and historic day. (2 of.

Dr Alice Roberts discovers what Britain was like before the Romans as she examines fascinating finds from the Bronze and Iron Ages.

Alice Roberts learns more about mankind's Stone Age ancestors, and travels to Jersey to meet a team hoping to shed new light on the Neanderthals.

Retrace the 100 days of battle as the Allies liberated Normandy, broke through the German line and paved the way towards victory. (S1, ep 1 of.

Retrace the 100 days of battle as the Allies liberated Normandy, broke through the German line and paved the way towards victory. (S1, epof.

While the allies aim to end Hitler's domination of Western Europe, British troops are secretly being trained for an enormous, amphibious operation. (1 of.

In June 1944, the Allied armada launches an assault on the Normandy coast, with soldiers charging in successive waves on a successful and historic day. (2 of.

Hosted by an X-Files alum, this episode explores classified files, covert missions and military secrets kept hidden from the public.

When a bizarre, alien skeleton is found in an abandoned compound, some speculate that it's the corpse of a dinosaur. Experts investigate if it's evidence of a Jurassic Park.

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

A man transforming into an animal is caught on camera and experts ask if it's proof of a legendary evil creature that can shapeshift into a beast.

Bad criminals, death-defying rescues and chaos in the skies all feature as the mayhem continues in Chaos Uncut.

A giant carving of a strange creature suddenly appears in the Australian Outback and mysterious bright green lights illuminate the seas around Thailand.

Strange black holes appear near Egypt's ancient pyramids and a mysterious red swarm invades a beach in India.

A bright pink lake could point to a strange, undiscovered new species. When a young boy disappears in a sand dune, satellite images help with the investigation.

The Return Of The Return Of San Burrito: As the buyers head back to San Bernardino, Kenny channels an old friend's tactics, allowing him to pick just the right unit.

..Is Lisa's Trash: The buyers head to Montebello, where there are a large number of lockers for auction and Brandi has the resale market covered.

The buyers are in for the fight of their lives as they lock horns at the nation's biggest shipping container auction.

Newbies Scott and Chrissy push their way onto Brandon and Lori's turf, forcing the couple to burn cash like never before.

Jesse knows you don't strike it rich if you play it safe - so he gambles big on a risky bin.

A deadly bin puts all the buyers on edge, while Brandon and Lori square off against Scott and Chrissy in a bidding war that sends all strategy out the window.

Things get scary when a seller comes in with a letter from Stephen King, while Chum gets a sweet lesson as he checks out signed Steve Aoki merchandise.

When a customer presents a signature worthy of presidential praise, can Corey strike a deal? Later, a magician has a car once owned by Siegfried and Roy.

Rick checks out a rare playing card featuring a legendary surfer, while Chum examines a 'Yellow Boy' carbine rifle.

From night soil men cleaning excrement off the streets of Victorian London to professional mourners hired to weep at funerals, to the intrepid deer urine collectors.

A man survives the apocalypse while a woman is involved in not one, but three maritime disasters and a cat that proves to be unsinkable in battle.

In the wake of the First World War, Adolf Hitler identifies Benito Mussolini as his model and has one ultimate goal: to gain power in Germany.

Hitler appears to be eliminated after his failed putsch in 1923. Discover how the Nazi movement used democracy's tolerance in Germany to come back.

A protest turns into a racist and anti-Jewish movement during the 1920s and the NSDAP use emotions to gain the loyalty of the people.

President Hindenburg suspends freedom of speech and Hitler comes to power in 1933. The first concentration camps for political opponents are set up.

Japan escalates war in China, triggering US sanctions and outrage. Facing shortages, it launches an attack on Pearl Harbor, reshaping WWII.

America battles for control of the seas against German U-boats in the Atlantic and Japan's powerful navy in the Pacific, in a fight that turns the tide of war.

Lost species reappears, a dog aids World Cup recovery and an Ice Age puppy emerges after 18,000 years, proving nature's unpredictability.