Blaze (Freeview) Thursday

David Dickinson helps members of the public sort the treasures from their trash, as Karen Dalmeny has a close call on a silver watch and Mark Stevens inspects some gold sovereigns

Corey has an appetite for a deal when a Guns N' Roses collector box rocks into the shop. Then, Chum gets flap happy over a pair of signed lawn flamingo prototypes

Allen and Ton are after a Hollywood ending at an auction in Tinsel Town. They also take a bumpy ride on a camel

Kenny Stowe shows off his wealth during an auction in Dallas, and Bubba responds by challenging him to a bidding war

A can full of bicycle gear gets everyone's wheels turning and a container with an item needing a special operating licence

Les, Seth, and Ashley remember Tressa, a former employee and Ashley's nemesis, and her scheme to scam American Jewellery

The toss of a coin determines the value of a gold chain Les believes is out of fashion. A customer is upset when Seth prevents her from using the staff toilets

A woman rejects custom-made earrings, as she thought the term diamond cut meant they were diamonds. Seth puts his faith into younger sellers, believing they can outperform Les

For years many people have argued that UFOs are terrestrial in reality. Though they may be correct, it is unlikely to be in the way that they think they are

The year 1947 saw an unprecedented wave of UFO sightings that propelled the phenomenon to the world stage. Giorgio Tsoukalos examines the US Air Force's findings

A look at the locations of stargate portals around the world, which some people believe to be doorways to wormholes in time

Unexplained phenomena occurring at Big Bend National Park, where a series of incidents has convinced some that secret alien activities are taking place there

The largest volcanic eruption of the past two million years occurred on the Indonesian island of Sumatra. This episode sees the storm recreated

Europe's heatwave Lucifer triggers some of the worst wildfires in Portugal's history, forcing a small village into a desperate fight against a 200-ft-high inferno

Rick and Chum encounter a rare pair of Pumas from 1968. Chum is then blown away by a fan from the 1940s. Later, Rick reads into a collection of letters from historical figures

Bubba faces a tough decision, and Matt Blevins enters into a battle of the sexes with female bidders in the small town of Pantego

Buyers clash over outdoor barbecues and a portable rave unit. Mo and Ty take a big gamble on a speedy prize

Giorgio Tsoukalos decodes some of the evidence for Ancient Astronaut theory found in mysterious carvings, symbols and structures that are similar on opposite ends of the Earth

A countdown of the world's top 10 alien cover-ups, from the famous Roswell Incident to a secret military base rumoured to be housing extraterrestrial technology

For many people, the most credible UFO reports are those raised by police officers. This programme investigates the most significant reports from police records

Between 1981 and 2011, cameras on Nasa space shuttles have picked up many images of UFOs that experts still struggle to explain

Corey has an appetite for a deal when a Guns N' Roses collector box rocks into the shop. Then, Chum gets flap happy over a pair of signed lawn flamingo prototypes

More memorable moments from the show, in which expert Henry Nicholls tries to buy a cameo brooch, and Simon Schneider examines a pair of clairvoyance glasses

The world's top 10 pyramid sites, from a valley in Peru with over 250 hidden pyramids to an ancient Greek city with mysterious 4,800-year-old ruins to Egypt's famous Giza Plateau

The world's top 10 mysterious devices, from strange, grooved disks found in a cave in China to an ancient Greek computer to an incredible crystal skull unearthed in Mexico

A look at UFO sightings, terrifying abductions and other bizarre occurrences, casting new light on historic cases

From UFOs to poltergeists, a look at some of the most amazing, eye-opening, and downright scary paranormal videos from around the world

For years many people have argued that UFOs are terrestrial in reality. Though they may be correct, it is unlikely to be in the way that they think they are

The year 1947 saw an unprecedented wave of UFO sightings that propelled the phenomenon to the world stage. Giorgio Tsoukalos examines the US Air Force's findings

A countdown of the world's top 10 most mysterious sites, from the blocks of Stonehenge to the stones of Puma Punku

More memorable moments from the show, in which expert Henry Nicholls tries to buy a cameo brooch, and Simon Schneider examines a pair of clairvoyance glasses

Rick and Chum encounter a rare pair of Pumas from 1968. Chum is then blown away by a fan from the 1940s. Later, Rick reads into a collection of letters from historical figures