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How do they brew a beer that won't make you drunk? How do they build a car that flies over rocks? How are escalators made? How do lie detectors work?

How do they forge the axe? How do they put together a courier's messenger bag, and how are the fastest lifeboats built?

Karmann Ghia. Mike is in Idaho to buy the ultimate retro sportster, the Karmann Ghia. Edd loves it, but will the broken gearbox and shoddy interior stop them making a profit?

Bel Air. Mike gets a great deal on a classic '57 Chevy Bel Air, and Edd does a great job on restoring it - but have they made an expensive mistake with their colour choice?

Penny For Your Thoughts. Back in Northern Ireland, Henry and Sam discover some lovely vintage cars as well as some modern motors. What will they take home?

Henry and Sam are in the Cotswolds to visit the largest sidecar manufacturer in Britain. They uncover a rusty Lancia Aurelia and a Royal Enfield 500.

Find out how jet skis, wine, office furniture and ice skates are made, as more everyday objects are put under the microscope.

Find out how winter jackets, animations, mushrooms and gold rings are produced, as more everyday objects are put under the microscope.

Teleshopping.

Teleshopping.

Susie is challenged with restoring a leather pouffe brought back from Egypt after WWII. Plus, Will is tasked with fixing a model Spitfire with an emotional backstory.

Long Running Businesses. Drew and Al pick through the collection of a travelling fairground family. Then, they are invited to a traditional wood-turning business.

Buying At The Right Price. Drew and Viki deal with a haggling Blacksmith in Yorkshire. Then, they visit a 19th-century country mansion on the south coast of Scotland.

The Goldtimers hire a 7-tonne loader to end their gold drought. The Dust Devils risk running out of water. Marcus vanishes while clifftop detecting.

The Poseidon Crew hunts for bush gold. The Gold Gypsies face a tough decision. The Victoria Diggers' perseverance could finally pay off.

Steven and Natasha travel to the Scottish Borders in their 1960s Rolls Royce. They reveal the hidden past of the Roman Empire and discover an antique hiding a secret.

In Knaresborough, Angus sorts through a massive collection of model aircrafts and incredible paintings. Later, Angus auctions off some iconic toys.

Susie is challenged with restoring a leather pouffe brought back from Egypt after WWII. Plus, Will is tasked with fixing a model Spitfire with an emotional backstory.

In Somerset, Sam and Henry meet a man who's been collecting cars since 1963. The guys are excited to uncover an Austin 7 and a De Dion-Bouton.

Sam and Henry visit one of Britain's biggest dealers in second-hand milk floats. This quirky collection features a beautiful 1959 Chevrolet El Camino.

Rick Kenway. 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.

Dave McNicholas. 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.

Colin Jackson & Phil Daniels. Angus helps Phil Daniels with 1960s and 70s goodies in his Yorkshire home. Then, he finds the 2012 Olympic torch in Colin Jackson's family home.

Angus helps Claire Richards by taking a huge chunk of pop memorabilia to auction. And he finds a blunderbuss and chastity belt in Amanda Owen's home.

Charles Hanson and Catherine Southon begin the final leg of their trip. Charles finds a collection of railwayana before the auction in Congleton.

Christina Trevanion and Mark Stacey set off on a south coast antiques hunt. Starting in Littlehampton, they travel north to an auction in Merseyside.

John Sheppard. Henry and Fuzz head to Towcester to buy John's Allis-Chalmers crawler. They are determined to revive this classic machine.

Ollie Turney. Henry and Fuzz visit Ollie to inspect a tired 1955 BSA bike. Though faded and neglected, this legendary machine still boasts heaps of charm.

Rock Relics & Robbery Files. Irita discovers a stash of Great Train Robbery papers. Plus, she sells a grandad's 6000 comics and rare coins to fund his baby granddaughter's future.

To Be Cherished By Others. Angus attempts to find new homes for the beloved belongings of a departed father. Then, he helps a widow clear her late-husband's collection.

How do they make Wensleydale cheese, turn pig hair into paintbrushes, and distil aromatic oils from eucalyptus?

How do they build the world's fastest electric car, turn horses' tails into fine fabrics, and clean the largest swimming pools in the world?