High Street TV 4

How is a modern fighter jet built? How do Belgium's Trappist monks make the world's finest beers? How do they build America's best performing SUV.

How do volcanoes help produce the world's best guacamole? How do they build trucks that can cross swamps? How do they make the world-famous Fiskars scissors.

How do they make steel cables strong enough to hold up a 50,000 tonne bridge? Why do modern hunters use medieval weapons.

How do they make Tennessee whiskey the traditional Lincoln County way? How do night goggles work? How do the Finnish relax in 160-degree saunas.

Mike tracks down a rare '91 Alfa Romeo 164L. He loves the look, but Ant has his work cut out for him. The car has perfect bodywork, but it has a leaking engine.

Mike finds a true unicorn of the car world: a '95 Volvo 850 T-5R, a station wagon with a racing pedigree. Unfortunately, the engine needs some serious work.

In Cambridgeshire, Henry and Fuzz uncover a Suzuki GSXR Slingshot. Can they tame this superbike and bring it roaring back to life.

Henry and Fuzz visit Rob in Cambridgeshire and find vintage agricultural gems. Can they get some old workhorses running and make a profit.

Find out how tissues, travel trailers, slippers, and motorcycle helmets are made.

Find out how U-locks, teepees, croissants, and rolling luggage are made.

Jay Blades enlists the help of photography antique expert Brendan. They attempt to restore a turn-of-the-century camera from a variety of parts.

Drew seeks standout items to lure more customers to his shop. In Derbyshire, he finds a Regency picture frame, and buys a pair of Danish rattan chairs in Harrogate.

Drew is always hunting undiscovered treasures. He has a rare chance to scour the wild items at Chester Zoo. And in Leicestershire, he unearths a royal relic.

The Poseidon Crew take a gamble on gold ground they've already detected. Levi and Bridget make a rookie mistake, while the Gold Timers catch a thief.

The Ferals confront a gold thief who's raided their lease. The Gold Retrievers explore a promising new lease, while Jacqui and Andrew get their big break.

The Misfits discover they're losing precious opal, so they attempt a dangerous night dig with an excavator and ultraviolet blacklights.

The Bushmen's home-made hoist and bucket fails. The Opal Whisperers, Sofia and Isaac, get trapped at the bottom of their open cut mine in sweltering temperatures.

Jay Blades enlists the help of photography antique expert Brendan. They attempt to restore a turn-of-the-century camera from a variety of parts.

Henry and Fuzz visit Angie and Jon in Bucks and uncover a Francis Barnett and vintage Raleighs. Can they revive them and turn a profit.

Henry and Fuzz visit Ross in Hampshire, where they uncover a Nuffield tractor and sheds packed full of tractors, memorabilia, and more hidden gems.

The boys are on Henry's home turf in Oxfordshire to visit another upcycler. In her collection they find an Anglepoise lamp, a chest of drawers, a portable stove and a sack trolley.

Angus and the team clear out a big house in Whixall, Shropshire. They uncover a Victorian desk set, a hanging lantern and Vogue clothing patterns.

Angus is in Newcastle to clear out a home that's full of books. He takes an interest in a Bechstein piano, a scary vase and a silver loving cup.

Catherine Southon and James Braxton travel through Leicestershire in their 1969 Rover. James buys a matchbox holder, while Catherine admires a mirror.

James Braxton and Catherine Southon search for unique antiques in Cromford. Catherine spends big on two carved figures, while James buys a bowl of marbles.

Henry and Fuzz head to London to meet Vek and uncover a tired 1937 James motorcycle. Drawn in by its graceful lines, the guys get to work.

Henry and Fuzz visit Dave to acquire his Honda C90 and Gaz-69 Jeep. They're determined to revive both machines and return them to road-ready glory.

James builds a table to keep pub meals warm. Plus, he tries to repair a record player, chop salad in a fan, and solve the problem of door-holding.

Deep in the countryside, expert restorers take in Britain's broken and battered artefacts and bring them back to life while learning the rich history of the objects.

How do they grow enough vanilla to make the world's favourite ice cream flavour? How are anchors for huge ships built? How are 12 million lighters made every year.

How do they craft footballs for the National Football League? How do they farm mussels? How do they design the ultimate fighter pilot's helmet.