BLAZE

The de Havilland Comet introduced jet travel over the Mediterranean, but a series of accidents led to investigations into reasons why.

Gaye Calhoun and her sister made the mistake of summoning the dead. A spirit board session leaves Marina Duarte plagued by paranormal activity and premonitions.

A cyclist spots a baffling spinning-top-shaped UFO near Jastrowo, sparking a mysterious encounter in a remote Polish landscape.

In 1967, mechanic Stefan Michalak spots two glowing cigar-shaped objects near Falcon Lake, sparking one of Canada's most puzzling UFO encounters.

Discover an underwater find from a violent past, a mysterious concrete 'ghost island' and never-before-seen tracks along the seabed.

The biggest auction on the planet explodes when a mysterious container from the Far East makes landfall in Los Angeles.

Mo and Ty, AKA 'Team Muscle', make their move and go on the attack.

Les causes drama when he tells a woman her gold bracelet is fake. Later, it's Seth's turn to suss whether a gold watch is priceless or worthless.

An out-of-character Les makes an impulse decision that threatens to backfire, and later gives a big loan to a customer with a dubious sob story. Has he been fleeced.

The staff are pushed to their breaking point by a customer's endless parade of worthless items. Later, Ashley gets the chance to assert herself.

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.

Honeymoon Capital Of The Storage World: The buyers attend an auction in one of Canada's most famous tourist destinations: Niagara Falls.

Paul and Bogart are joined by their life coach for an auction in Toronto. Ursula encourages her daughter to run away and join the circus.

Between A Brawk And A Hard Place: Roy takes distraction to a whole new level when he trains a talking parrot to insult the rest of the buyers at an auction in Etobicoke.

Paul would love to see his son become a father someday, but that doesn't mean he's happy when Bogart brings a 'practice baby' to an auction.

The Birds And The Bees And The Bulls: All the buyers take valuable life lessons home from an auction in Ontario. Paul and Bogart come to a realisation of their own.

Ursula goes ape when Roy decides her coat makes her look like a monkey. Paul and Bogart set a terrible father-and-son example for a returning buyer.

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

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

Near Area 51, a police convoy is filmed transporting an alien-looking craft in the dead of night. Strange beams of light are reported in Argentina.

When a terrifying tower of fire is caught on camera, eyewitnesses fear an alien invasion - but is a cover-up hiding the truth.

Spontaneous Human Combustion, the Tell-Tale Hum, and UFO Explosion: Photos from 1951 suggest that a woman spontaneously combusted, while a brain-numbing noise plagues Brooklyn.

Teen Ufo, Flying Dinosaur Over Idaho, and Headless Goats: Ony investigates anomalies including UFO footage from Sweden and a bizarre case of decapitated goats in Atlanta.

Swamp Beast Sighting, Martian Conspiracy and Transparent Mexican Sea Monster: Did a canoer film the legendary Skunk Ape walking in gator-infested waters.

A mysterious structure in Africa that resembles Stonehenge is said to be the resting place of a mythical giant.

A mysterious Stonehenge-like structure in Russia might have links to the Nazis. Experts uncover clues to a mega-tsunami with the power to devastate the United States.

When a great white shark is killed, experts suspect a mysterious ocean monster and strange markings in the desert might be a tribute to an ancient spider god.

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.

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.

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.

The designer of one of the most popular car brands in history, Ferdinand Porsche would not have seen his success without the support of Adolf Hitler.

With the Allies at crisis point, pressure mounts on the Wrens to prove their worth and the stage is set for a battle that will turn the tide of the Atlantic war.

Investigating whether South American piranhas appearing in US lakes and rivers are adapting, can breed and cause devastation.