Marty Lagina joins Kevin and his team as they battle the elements and take one final shot at finding 140 million dollars of Confederate gold at the bottom of Lake Michigan.

Ivy hopes to land a high-roller locker, while Rene attempts to play it cool. Mary stands firm against the competition, while Dan and Dave lose their temper.

The bidders return to the Koreatown district of Los Angeles, Jarrod's shenanigans keep Brandi on her toes, Ivy and Mary join forces, and Rene goes on a buying frenzy that may not pay off.

It's an exciting week for Ian and Butzy as they cross the Irish Sea to the north of England to invest in mid-20th Century vintage and retro furniture which is much more plentiful in the UK and cheaper than in Ireland. Office manager Ali packs them off on the ferry and the lads set off on a buying...

When the guys visit a woman overwhelmed by an inheritance, she opens a secret vault. They meet their match in an 80-year-old who speeds a mini bike around his property.

Ivy hopes to land a high-roller locker, while Rene attempts to play it cool. Mary stands firm against the competition, while Dan and Dave lose their temper.

The bidders return to the Koreatown district of Los Angeles, Jarrod's shenanigans keep Brandi on her toes, Ivy and Mary join forces, and Rene goes on a buying frenzy that may not pay off.

All ears ring when a rare keepsake from Seinfeld sends John O'Hurley into the shop. Then, Rick travels east after a new ride and has to choose between a rare 1960s muscle car or a 1920s rum-running boat.

New clues could reveal the location of the Lost Dutchman Mine. Wayne Tuttle is on the hunt for a deadly treasure in the Superstition Mountains.

Tools and machines have enabled humans to overcome their physical limitations, but they are also transforming what it means to be human.

The bladesmiths must forge a signature blade from a steel cage and a pile of barbed wire. Then, it's time to create one of Scotland's most feared weapons.

When the guys visit a woman overwhelmed by an inheritance, she opens a secret vault. They meet their match in an 80-year-old who speeds a mini bike around his property.

The lads are in Northern Ireland, and kick off in the capital city, Belfast, home to the shipyard Harland and Wolff, which built one of history's most famous ocean liners, the doomed SS Titanic. Ian finds a shop that has a treasure trove of maritime memorabilia. Next stop is an auction south of t...

The team investigates some of the most remarkable artefacts from Tutankhamun's tomb, including an exquisite piece of jewellery.

A team of Americans explore a mountain in the Philippines to search for a treasure rumoured to have been buried by General Tomoyuki Yamashita in the closing months of World War II.

The bidders scrounge for a high-end score in Santa Ana, California, Jarrod and Ivy go on buying sprees that leave the competition reeling, and Rene waits for the perfect moment to pounce.

Darrell and Brandon seek a large quantity of items for their store as the buyers invade the community of Rancho Dominguez. Meanwhile, Jarrod and Brandi recruit a new teammate.

As the picking adventure in Michigan continues, Rick takes a gamble on a WWI helmet and a vintage RC Cola machine. Meanwhile, Corey pursues a knockout deal.

The guys come across the mother lode of Americana in Maryland. A former garbage man's trash is a real treasure.

Four bladesmiths must scavenge a construction site to salvage their own knife-making materials. The smiths are then presented with an additional physical challenge.

Theorists suggest that compelling evidence of extraterrestrial visitation exists in China, the cradle of one of the earliest and most influential civilisations.

A Russian radio station has broadcast a signal nonstop since the Cold War, and no one knows why; experts use hi-tech methods to investigate what it is and what might happen if it ever stops.

A series of events over Great Smokey Mountains National Park could be evidence that a powerful secret society has an underground base in the area.

Some claim that the Mark Twain National Forest may conceal treasures from a lost civilisation, pointing to the area's importance as a locus of dark, mysterious energies.

Discover more fascinating history buried frozen in the ice, from the body of a legendary mountaineer to the discovery of a zombie virus.

Matty Blake returns to Oak Island to connect to the countless people that the 225-year-old mystery, and the hit TV show that chronicles it, have impacted over the last decade.

Theorists suggest that compelling evidence of extraterrestrial visitation exists in China, the cradle of one of the earliest and most influential civilisations.

The team investigates some of the most remarkable artefacts from Tutankhamun's tomb, including an exquisite piece of jewellery.

Discover more fascinating history buried frozen in the ice, from the body of a legendary mountaineer to the discovery of a zombie virus.