QUEST HD

How do they build one of the world's most exclusive luxury cars? How do they make a referee's whistle that can be heard above 50,000 screaming fans.

How do they turn English willow into cricket bats for India's finest cricketers? And, how do they construct the foundations for tall buildings.

How do they build a tractor every three minutes to power Indian agriculture? How do they cast the bronze bells that help Swiss farmers keep track of their cows.

How do they collect millions of real birds' nests to make birds' nest soup? Plus, how do they use aerospace technology to make rowers go faster.

Mike and Edd go back and forth about the definition of a real sports car. With the desire to hit the gas and feel the seat in his back, Mike brings a 1968 Corvette.

Mike's out for adventure with a 1970 Ford Bronco. When they find it's riddled with rust, Mike sets out to save the project from disaster while Edd keeps his cool.

Henry and Simon find themselves in collectibles heaven on a trip to Loughborough. 50 years of collecting has created a treasure trove of old motorbikes and bicycles.

Ever wondered how everyday items like traditional razor blades and butterfly safety razors are made? Find out how these familiar objects are formed.

Ever wondered how everyday items like bush planes and aluminium bike wheels are made? Find out how these familiar objects are formed.

In Devon, Simon O'Brien breaks a snare drum and reluctantly agrees to give it a revamp. Henry Cole takes a risk on a broken gramophone and a rusty churn.

Italy. In northern Italy, Mike and Elvis tackle the last truly analogue Ferrari, the 348. And this one is in dire need of a cambelt change.

Poland. In Poland, Mike and Elvis find a weathered Polski Fiat 126. After their restoration, they go on a snow-covered joyride alongside other loyal 126 fans.

Mike Wolfe and Frank Fritz travel all over America in search of the most interesting, rare and profit-bringing treasures, from old bangers to classic toys.

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 Bishop invests in a massive new claim, but he has no money left over for equipment. Meanwhile, the Tunnel Rats risk electrocution as they hunt for crystal opal.

The Misfits search for a new claim in Andamooka's dangerous opal fields. With no working machinery, the Opal Whisperers put their hopes into a bucket of Yowah Nuts.

Henry and Fuzz head to Bristol to help Russell revive his 1947 Standard 14: a post-war classic with charm, history, and plenty of hidden troubles.

The boys are in Oxfordshire browsing through Dominic's restoration projects, including a Triumph TR4, a Jaguar XJS and a hotrod with a Rover engine.

In Hertfordshire, Henry and Fuzz meet Neil, who boasts a shed full of Japanese bikes, cars, and campervans. What will they come away with.

Henry and Simon head east to Norwich where they visit a farm with an extensive collection of tractors. They find a bicycle with an unexpected and rare addition.

In Devon, Simon O'Brien breaks a snare drum and reluctantly agrees to give it a revamp. Henry Cole takes a risk on a broken gramophone and a rusty churn.

Mike is in France to hunt down the rare Renault Alpine 310. The car he finds is great, but it has some surprises in store, and Edd is charged with getting it fixed.

Silversmith Brenton West cleans up a silver tea set that has more than a few dents. Plus, metal expert Dominic gives a sentimental post box a new lease of life.

Henry and Fuzz visit Richard's eclectic shed in Hook, packed with bikes, cars and curiosities, and choose a classic Harley-Davidson Sportster to save.

Henry and Fuzz visit Dave's Derby shed and pick a classic Triumph Daytona, a British icon with racing heritage, for their next restoration challenge.

James builds a sound-proof room-within-a-room to tackle noisy neighbours and attempts to fix local Piers' toaster. He also invents 'Cheese Chess'.

Cobbler Dean restores a pair of treasured speedway racing boots. Plus, the experts take on a 1960s electric organ and a handmade grandfather clock.

How do they quadruple the power of the world's biggest engines with the most powerful turbochargers? How do they build new roads from old waste plastic.

How do they harness the wind to power a racing yacht to Olympic gold? How do they make a sword fit for an officer at the world's largest sword factory.