High Street TV 4

The world's leading submarine rescue specialists from several countries participate in a training exercise. Workers manufacture all-wheel drive cars.

How is rubber made into chewing gum? How are fish hooks strong enough to catch a shark? How are the models built at the world's largest Legoland.

How do they build Formula 1 racing cars? How is the Leatherman, America's best-selling multi-tool made? How do they create classic Finnish Aalto glassware.

How do they make the finest Panama hats? Who rounds up Florida's escaped pythons? How do they keep drivers safe in the world's longest tunnel.

Drew goes North of the border on a road trip for an epic private house clearance in a remote part of Scotland, and he visits a historic cutlery factory in Sheffield.

Drew visits a hip dealer in Manchester, haggles with a windmill manager in Kent and seeks artefact redemption at a Somerset abbey. Plus, he moves shop after 10 years.

Drew challenges an engineer to fix an iconic item from the 80s that is in awful shape. Meanwhile, globe restorer James takes drastic action to restore a 150-year-old masterpiece.

More everyday items are put under the microscope, with a closer look at out how cycling shoes, yurts, marine plywood, and encaustic paint are made.

Find out how paper fans are produced, walnut oil is manufactured and copper is made.

Drew calls on two experts to restore a Victorian iron window. Plus, vintage electronic game restorer Mark Squires is asked to rescue a 1950s driving game.

Seeing an untapped source of rare items, Drew tours Catalonia looking for some chic Spanish antiques. In Peralada, Drew is blown away by a 17th Century house full of treasures.

Drew road trips to Cornwall to for a major buying mission. In Penzance he haggles with a hoarder who owns a reclamation yard, before heading to the county's busiest auction house.

The Gypsies strike a patch of gold but are distracted when thieves raid their nearby lease. Meanwhile, torrential rain disrupts production for the Dirt Dogs.

The Victoria Diggers' million-dollar dream is nearly at breaking point. Plus, the Dirt Dogs hunt down gold thieves and the Mahoneys stumble across a mysterious murder.

In their bid to set up a second sapphire mine, The Rubyvale Boys face equipment failures. And the Neils risk their lives in an abandoned quartz mine.

Patrick's plan to extract Australia's largest smoky quartz cluster is derailed. Plus, Jarrin and Hugh are forced to resort to more explosive measures.

Mystery Motor. Ant takes a gamble on a mysterious Mark1 Capri. And Ant's girlfriend Renee Zellweger surprises him with a cool addition for the home.

Sam and Henry visit an incredible collection of Ford vehicles in Worcestershire. But the guys have their sights set on a 1960s Austin A40 Farina.

Sam and Henry are in Dorset to look around a collection of bikes, cars and tractors. The guys consider buying a pedestrian walk sign and a Yamaha FS1-SE.

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.

Henry and Simon are in Buckinghamshire to rummage through a storage unit full of potential. They pick up a sliding cupboard and a cubbyhole shelving unit.

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.

Angus receives a call from two sisters desperate to find new homes for their late father's incredible collection of circus memorabilia.

Izzie Balmer and Tim Medhurst scour Wales for antiques to sell at auction. Izzie finds a selection of maps whilst Tim learns more about the Welsh language.

Henry and Fuzz visit Graham's Essex shed, packed with bikes, and uncover a Suzuki GSX-R750 Slabside, Henry's dream machine and a true Japanese icon.

Henry and Fuzz visit Jeff's tractor-packed shed in Chepstow and uncover a Grey Fergie, the iconic Ferguson TE20 that helped transform farming forever.

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.

Musical instrument expert Pete restores a well-travelled saxophone. Plus, restorer Matt fixes a broken stained-glass window of Blackpool Tower.

How do they build working miniature airports? How do they design houses to survive hurricanes? How is rhubarb cultivated in the dark.

How do billions of bees produce tonnes of California almonds? How do they clear the snow to keep Norway's planes in action? How are tricky stains removed.

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.

Drew is in Scotland to see a Victorian theatre in Aberdeen and the remote town of Rothes. Tee shows him how to do a deal at a steam railway in Devon.

Drew picks up a Victorian oil lamp and a stunning old American sign in London. Plus, he meets an Oxfordshire aristocrat with a steam train in his private collection.

French polisher Alex struggles with an old billiards table that proves difficult to restore. Meanwhile, Martin takes on the challenge of a rare and valuable set of Ferrari luggage.

Find out how gut strings are made, absinthe is manufactured, belt buckles are produced and lever locks are created.

More everyday items go under microscope. How are objects including aircraft cabinets and motorcycle brake locks produced.

Furniture restorer Steve is tasked with restoring a huge bench that once graced a famous Scottish court. Gilder Ruth revives a Georgian mirror frame.

In Sussex, Drew has some incredible luck when he is offered first pick of a shop packed full of French items. Then in Kent, he's invited behind the scenes of a historic railway.

In a huge barn in Sussex, Drew discovers a large collection of animal-themed curiosities and objects. And in Cardiff, Drew's favourite kind of antiques are finally revealed.

The Victoria Diggers' desperately fight for survival, but they may have stumbled across a monster nugget. The Gold Gypsies fend off deadly snakes during their search.

The Gold Gypsies hunt for nuggets in ancient mine shafts and Greg discovers a rare meteorite. The Mahoneys chase for more gold using Ted's granddad's treasure map.

Kyle Archer and his team must work an abandoned drive reclaimed by rainforest. Frankie and Ebriony's garnet expedition is cut short by bushfires.

From The Pinnacle To The Pit. Jarrin and Hugh hunt for anything and everything in the walls of their mine. The Neils risk life and limb against deadly boulders at 'Topaz Mountain'.

Minor Miracle. Ant and his dad find a 'perfect' Woodie but there's a catch. There's no engine! The farmhouse is in danger of collapse due to rotten wooden beams.

Henry and Sam are in Devon to visit a father and daughter who own a shed full of vintage Americana. They immediately take interest in a dusty Chicago police car.

Henry and Sam look around an incredible Americana collection in Cornwall. After examining an array of classic motors, Sam springs a big surprise on Henry.

Henry and Fuzz uncover a rare 1972 Yamaha TX500 in Steve's eclectic shed. Can they tame this troubled classic and get it roaring once again.

Henry and Fuzz visit Martin in Worcestershire and find a Lister D Stationary Engine. Can they restore this antique on its 100th year anniversary.

The guys are in Gloucestershire, where they rummage through huge sheds full of junk. They unearth a coffee table and an interesting set of scales.

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

A Rare Bear And A German Cat. A customer needs help to thin out the items inherited from her father. Plus, two brothers learn the worth of their late father's eclectic hoard.

It's crunch time in Wales! At the final auction, Izzie Balmer pins her hopes on two auspicious vases while Tim Medhurst hopes that his letter box delivers.

Angus receives a call from two sisters desperate to find new homes for their late father's incredible collection of circus memorabilia.

The restorers revive a rusty rocking duck chair, a torn pilot's flying jacket from World War II and a bashed-up banjo passed down from father to son.

Will restores a battered music jewellery box. David relaunches a cherished UFO toy back to life. Susie saves the complete works of Shakespeare.

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.