QUEST HD

Paper conservator Louise freshens up a treasured pastel portrait from 1993. Meanwhile, Steve is challenged with fixing up a very precious tin plate rocket.

Geologists discover alien deposits on the Earth's surface - and the answer could shed light on the cause of the greatest extinction in its history.

A NASA probe captures an image of a familiar structure on the surface of Mars. What made 'Mars Henge'? Plus, how did an Apollo astronaut get sick on the Moon.

A cryptozoologist investigates reports of a sea monster in Alaska. He reviews eyewitness accounts and examines never-before-seen video evidence.

A woman claims to be under attack from an unseen force. Could it be linked to a Native American legend about a mysterious race of giants.

More everyday items are put under the microscope as we discover how three-wheel electric bikes are manufactured and skin cream is made.

More everyday items are put under the microscope as we discover how Wild West holsters are manufactured and water video housings are made.

Wayne tracks down a Ferrari 275 GTB4 in Boston. After two tests and a few repairs, the car is ready for resale. Meanwhile in California, Wayne takes a spin in an original 275.

When the magnetos in Wayne's Bentley break, he knows the only person for the job is mechanic Laurence Anderson. Laurence insists he visits his shop in California.

Wayne practices the lost art of the long sell when he looks for new homes for two unique cars, a Porsche Special hill-climb car and a 275 GTB custom-bodied Ferrari.

Wayne visits a Porsche meet-up at the European Auto Salvage Yard. From there, he goes to a Berkeley car event where he's in car heaven with hand-built hot rods.

Robbie Wolfe and Jersey Jon pick for treasures on a farm in Michigan. Meanwhile, Mike travels solo to check out drag racing cars in Pennsylvania.

The Poseidon Crew unearth two monster nuggets. The Gold Timers battle extreme heat and millions of flies as they desperately try to find gold.

Gold thieves hit the Dust Devils' Siberia lease and steal a fortune in gold. Marcus and Linden persevere through extreme heat to unearth more nuggets.

Horologist Steve brings a handmade grandfather clock back to life. Meanwhile, mechanical expert David works on an extraordinary moving toy.

Leather expert Suzie and furniture restorer Will join forces to revive a strap chair. Mechanical maestro Steve faces a tricky fix on a motorised toy warplane.

Angus and the team face the mammoth task of clearing a collection of bow top caravans. Later, a widower wants to sell a collection of stamps and Beatrix Potter figurines.

The boys visit Rob, who has an impressive collection of vintage British bikes. They find a BSA Bantam and a classic 1930's Austin Ten automobile.

Henry and Fuzz visit Paul in the Malvern Hills, a man with a perfectly maintained collection of Japanese motorbikes including a Honda 750 Four.

Henry Cole and Simon O'Brien visit a collection on the border between Surrey and West Sussex. The lads want to revamp a clock and a huge tractor.

Henry and Simon are in Buckinghamshire to visit a repair shop. Henry finds a table that is perfect for an imaginative project he's been planning for a while and a club fender.

In Leicestershire, Henry and Fuzz explore a shed full of classics, selecting a 1970s VW Beetle Beach Buggy. Can they restore it in time for a Somerset beach ride.

Mike finds a 1970 VW Flashback that needs some love and attention from Ant to be roadworthy again. If they can finish the upgrade on time, will they make a profit.

Mike attempts to double his money by turning an old Frogeye Sprite into a premiership quality classic car to be test driven around the Brooklands Motor Museum.

Paul persuades Drew to buy a Triumph TR4 and he pays homage to one of his automotive heroes. The boys reinstate a stylish feature that never made it to production.

In Western Australia, the Gold Devils receive desperately needed help. The McGhies family pulls together to exploit a new gold-rich ground.

Michael and Cherie head out to their surface claim. Ray and Paul's replace the engine on the drill rig. Rosa gets a crash course in operating the wash plant.

Silversmith Brenton brings the shine back to a precious Persian tea set. Metal worker Dominic and master saddler Suzie revive a pair of Victorian roller skates.

Angus and the team face the mammoth task of clearing a collection of bow top caravans. Later, a widower wants to sell a collection of stamps and Beatrix Potter figurines.

Mike finds a 1970 VW Flashback that needs some love and attention from Ant to be roadworthy again. If they can finish the upgrade on time, will they make a profit.

Mike attempts to double his money by turning an old Frogeye Sprite into a premiership quality classic car to be test driven around the Brooklands Motor Museum.

Henry and Simon are in Buckinghamshire to visit a repair shop. Henry finds a table that is perfect for an imaginative project he's been planning for a while and a club fender.

More everyday items are put under the microscope as we discover how wood garage doors are manufactured and animatronic dinosaurs are made.

More everyday items go under the microscope. How are Grammy Awards, bicycle lights, above-ground pools and foldable solar panels made.

After bidding successfully on an original and unrestored 1913 Thor Twin and Side Car, Wayne visits Dale at the museum and starts up his Thor for the first time.

In a bid to find three apprentices to add to his team, Wayne visits McPherson College. The students compete to assemble a Model T and Wayne announces the winners.

Sell? Hold? Wayne flies to Ohio to buy a Pierce Arrow, but when the owner backtracks he leaves empty handed. Back at home he buys a Mercedes and receives a surprising call.

Wayne rescues a 120 Jaguar from a recluse whose passion for collecting has turned into hoarding. He then flies to Miami and unearths a Spohn bodied car.

Robbie Wolfe and Jersey Jon meet with a former racer and his son. Meanwhile, Mike travels solo to check out some Volkswagen Beetles and Porches.

The Dust Devils are poised to smash the biggest season tally ever. The Gold Timers hit paydirt. The Gold Gypsies' gold dream could finally be over.

The Gold Gypsies have more bad luck. The Victoria Diggers face a death in the family. The Poseidon Crew hope to continue their run of big gold.

The team restore a miniature whiskey barrel. Plus, a heritage craft dating back thousands of years is put to good use repairing a set of wicker baby-weighing scales.

Silversmith Brenton brings the shine back to a precious Persian tea set. Metal worker Dominic and master saddler Suzie revive a pair of Victorian roller skates.

After clearing out a home in Leeds, the team sort through a van full of mysterious boxes. Plus, Angus checks out a retired archaeologist's beautiful collection.

Henry Cole and friends Fuzz Townshend and Guy Willison hit the road to find, buy and make a profit from the UK's abandoned automotive gems.

Henry Cole and motorcycle guru Sam Lovegrove travel from Cornwall to Oxfordshire to rummage in some of Britain's most amazing sheds and make some cash.

Henry Cole and Simon O'Brien hunt for hidden treasures in Gosport, Hampshire. They uncover a cable drum, some chairs and a Danish style cabinet.

Henry and Simon visit a workshop full of bikes and cars. Henry is excited to find a Yamaha RD350 motorbike, while Simon finds a paraffin Tilley lamp he can update to electricity.

In Wiltshire, Henry and Fuzz admire Morris Minors and vintage mopeds. Can they revive a late 1980s Austin Mini in time for a historical road trip to Oxford.

Mike purchases a classic 1971 Chevrolet C10 pickup truck with a 350 turbo engine. It seems to be in good condition, so can Mike and Ant make a big profit.

Saab 9-3. Mike wants a high performance car with an historic badge, but it's hard to find a Saab 9-3 Turbo at a good price. With tight margins will Edd have any room for manoeuvre.

Drew and Paul rescue a classic: a Vauxhall Viva. The car was extensively modified in the 1960s but after years in storage, it's well past its best.

James invents a homemade solution for potholes and attempts to build an automated rainproof bench. Then, he makes glue out of his own fingernails.

In California, catastrophe strikes one of America's most important intersections. Plus, there's a demolition disaster in Canberra, Australia.

The team restore a miniature whiskey barrel. Plus, a heritage craft dating back thousands of years is put to good use repairing a set of wicker baby-weighing scales.