High Street TV 4

How do they take the world's sharpest photos, stitch an airbag to catch a falling car, and produce billions of perfectly-formed jelly beans.

How do they build a caravan, forge tuning forks, resurface an ice rink, and put on the world's biggest light festival.

How do they make the groovy vinyl LP? How do they build the dodgem? How do they make one of the world's oldest pain remedies, tiger balm.

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.

Drew visits a disused fuel shed on a former air force base in Suffolk, where he discovers vases carved from cow bones and a haunting stone face corbel.

Drew and Tee visit Newark, a town renowned for its antique connections. Drew finds a set of Regency bed steps and a genuine, very rare 18th century mirror.

Rebecca Pritchard entrusts her precious heirloom, a cherub statue affectionately known as Fat Les, to sculptor Nick Elphick who must restore Les back to his best.

Find out how packaged chicken, electric heaters, pulp containers and video games are produced, as more objects are put under the microscope.

Find out how firemen's boots, garden tools and automated machines are made, as more objects are put under the microscope.

Lighting restorer Jolene tackles an old Victorian police lamp. And wood worker Alex attempts a risky redesign on a traditional British chair.

Drew is at a 900 year old Abbey in Somerset where he hopes to strike a deal. Later, he travels to a pedal museum in East Sussex and takes a trip down memory lane.

Modern-day treasure hunter Drew Pritchard goes for a climb at a 17th century mansion in Cambridge. Later, he visits a massive salvage yard where he encounters a tough negotiator.

The Desert Diggers secure a season-changing deal, gambling on untested ground. Intense summer heat pushes the Wanderers to the brink.

As time runs out, the Poseidon Crew call in a trusted ally. The Mackies detonate explosives to obliterate impenetrable rock.

A 30-truck charity hay convoy delivers supplies to drought-stricken King Island. Rookie Harrison Hooper tackles his toughest challenge yet.

Mike and Vinnie Elliott embark on a risky cash run to salvage cars. Lyle Lucas delivers vital supplies to the remote Oak Valley community.

For the fourth leg of their journey, Paul and Catherine start in Callander, Scotland. They both want to find the most valuable antiques to increase their profits.

In awe of a huge collection of classic cars from all eras in Northamptonshire, Henry and Fuzz decide to transform a 1920s Model A Ford pickup truck.

On a trip to Worcestershire, Henry and Sam fall in love with a barn full of extraordinary automobilia. However, the guys find it hard work to negotiate with the vendors.

Henry and Sam check out a quirky collection in Yorkshire. They find a vintage monowheel and a plane that's been converted into a three-wheeled car.

Henry and Simon find items to restore or upcycle in Blakeney Point, Norfolk. In Suffolk, a garden shed hides treasures including a pine coffee table and a motorcycle.

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.

In Scotland, Angus and the team clear out an attic filled with Ferrari memorabilia. How much will this incredible collection make at auction.

In Norfolk, Raj Bisram uncovers a vintage train set and a Korean vase. Meanwhile, Natasha Raskin Sharp considers buying a trench art gavel.

Steve Grahame and his grandson take on the Great Central Road. Mel Michelsen struggles with a tyre blowout. Sludge tackles oversize trucking jobs.

Battling mechanical breakdowns, Brent and Cayden fight to keep German Gully alive. Sheryl and Simon make a grave discovery on their new lease.

The team take on an ornate wooden piano stool that holds treasured memories. Horologist Steve repairs a vintage car speedometer, and a baby's wicker crib is restored.

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

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.

How do they feed France's appetite for snails, turn slabs of steel into shiny cutlery, and craft a kayak you can paddle with your feet.

Drew and Tee visit Insect Circus in Suffolk, where they discover a giant pair of 20th-century stage shoes and scratch-made models of fairground rides.

Drew and Tee explore three new territories. An unusual set of stained-glass windows, an 1840s lamp and a retro Japanese toy police pique Drew's interest.

Michael and Maria Start work on a 19th century Pinocchio puppet. Plus, neon light designer, Julia Bickerstaff, restores a period advertising sign for Riley Cars.

Find out how plastic bottles, eggs, jars and handcrafted wooden pens are made, as more everyday objects are put under the microscope.

Leather worker Martin restores a vintage case. Meanwhile, wood worker Alex is challenged to fix a rustic bench and sculptor Nick works on an antique statue.

Modern-day treasure hunter Drew Pritchard makes a startling find at a 13th century house in the Lake District. Later, he visits a classic car collector in Hertfordshire.

At a remote salvage yard near Bournemouth, modern-day treasure hunter Drew Pritchard is drawn to a bathing beauty. Later, he visits an exclusive B&B in Yorkshire.

Deep in Western Australia's Goldfields, three teams of hardcore gold prospectors risk their dreams and futures, in pursuit of the ultimate reward.

Mechanical disasters and a high-stakes gamble threaten to derail the gold season for Dirt Dogs, Vern and Leon and Gold Gypsies, Chris and Greg.

After a heartfelt memorial for his late father, Yogi embarks on a gruelling five-day journey across Australia. Mel Michelsen tackles a tight deadline.

Mike and Vinnie confront unexpected challenges as they near Halls Creek. Yogi battles treacherous conditions on his journey back to Perth.

Expert auctioneers Paul and Catherine embark on the final leg of their journey. The final auction is in Aberdeen, who will make the biggest profit.

In Gloucestershire, Henry and Fuzz take on a risky Triumph Spitfire that has been in a crash. In their biggest restoration challenge yet, can they fix it.

In North Yorkshire, Sam and Henry examine an incredible collection of classic American motors. However, the guys are most interested in a rusty Mini.

Henry and Sam look around a shed full of vintage motorcycles and intriguing memorabilia. The guys see potential in a Yamaha RD350, but can they afford it.

The boys gallop to Newmarket, where they spot a cloche and a 'smoker's companion' table. In a barn, they find a pair of stylish '70s plastic chairs.

Angus foxtrots into Oti Mabuse's glitzy home and faces a fridge freezer first. And he battles TV presenter Martin Roberts' toy collection.

In the seaside town of Filey, Angus and the team help a couple clear out their home. Angus sees potential in some vintage toys and boxes of old soap.

Raj Bisram and Natasha Raskin Sharp head to their final auction in Cambridge. Plus, Natasha discovers the story of a bare-knuckle fighting champion.

A couple of Sherlock Holmes fans sell silverware, costumes and books after a flood hit their home. Plus, will army swords score big at auction.

The restorers revive items including metal breadcrumb maker with memories of a childhood in Uruguay, and a stuffed toy lamb needing a makeover.

The expert team tackle a musical family's battered ukulele, an'60s split-flap clock from Italy and a bicycle-riding lion toy.

How do they build emergency bridges that can take the weight of a tank, make a marker pen that never fades, and design a 200-mph superbike.

How do they blow the world's finest crystal, heat the deepest swimming pool, and fill a million bottles a day of the world's favourite ketchup.