QUEST HD

How do they produce tequila from cactus plants in Mexico? How does New York City run on steam? How do they produce soft ice cream.

How do stuntmen survive a bad day at work? How do they mine precious amber gemstones? How do they build Seabreacher watercraft that move like dolphins.

How is NYC supplied with the finest steaks? How do they produce the ultimate surround sound home cinema systems.

How is viscose transformed into clothing and cloth? How do they produce the world's favourite fizzy drinks? How do they make traditional English snuff.

Scott would love to own a VW Campervan to take his son on trips around their native Scotland. With Camper prices soaring, Mike and Elvis must be creative.

Mike and Elvis try to buy carpenter Simon his dream BMW Z4. Simon only has £1,500 saved up and his daily motor is one of the worst they've ever seen.

In Cornwall, Henry and Sam visit a trials car enthusiast with an eclectic set of sheds. Will they come away with a jeep, a bike or something else.

A Right Royal Profit? Henry and Sam are in Cornwall visiting the Queen's armourer, Terry English, and his amazing collection of vintage cars, bikes and engines. What will they find.

More everyday items go under the microscope, revealing their production. How are objects such as micro drill bits and skiffs made.

More everyday items go under the microscope, revealing their production. How are objects such as ocean drone transformers and 3D puzzles made.

Organ builder David tries to rescue a vintage harmonium. Kirsten works on a ceramic dish, while Jay leads the repair of a hand-crafted doll's house.

Drew and Tee take a trip to Portugal, a hidden gem of the antiques trade. They unearth some architectural marvels recovered from an 18th century church.

Every Day Is A School Day. Drew never knows what he might find, who he'll meet, or what he'll learn. He visits an outsider artist with a newly curated art collection.

The Mahoneys spend thousands of dollars on a loader for a final push at 8-Mile, and Alex is convinced there's big gold at Relief Creek. The Gold Gypsies strike it lucky.

With the season close to ending, the Dirt Dogs struggle to hunt out their final $350,000 of gold. The Mahoneys bring in machinery in a final effort to hit their target.

A secret map once used by the RAF navigates David to potential profits and a 350-year-old book gets Roo's attention. Who'll win the final auction in North Shields.

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

Organ builder David tries to rescue a vintage harmonium. Kirsten works on a ceramic dish, while Jay leads the repair of a hand-crafted doll's house.

In the West Country, Henry and Sam find some sheds full of classic bikes and vintage cars. They even find a limousine once owned by Eva Peron.

Henry and Sam visit a fanatical biker in Yorkshire, who has the biggest collection of motorcycles they've seen so far. What bike will they come away with.

In Chelmsford, Henry and Fuzz visit Fiat specialist Tristan, who has 500s, 600s, 126s and a Fiat minivan that once starred in an Indiana Jones movie.

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.

Tongs Will Wag! Quirky items, including a secret society's ballot box, an uncle's gold tooth, and expensive kitchenware, create a buzz in the auction room.

Angus helps an RAF hero sell a rare SAS diary to raise cash for veterans. Also, a man parts with 250 cars, hoping to fund the cruise of a lifetime.

Antiques experts travel the UK with a budget of £200 each in a competition to find and buy antiques or rare items and sell them for a profit.

Antiques experts travel the UK with a budget of £200 each in a competition to find and buy antiques or rare items and sell them for a profit.

Angus sells the treasures of an Abbey to fund the monks' retirement, and a motoring fanatic's cheeky sculpture sets pulses racing on sale day.

Experts Joe and Steve work together to bring a vintage cash register back to life. Plus, Janine visits wood expert Will in the hopes he can restore her doll house.

Woodwork expert Will attempts to save a valuable music box that has been in Pamela's family for over 50 years. Plus, Steve fixes up a precious railway lamp.

How do they build the world's most expensive cable cars? How is vodka produced from grass? How do social networks connect people around the world.

How do skydiving suits work? How do they produce Surströmming, one of the world's smelliest foods? How do they transform weeds into walls.

How do they mine precious opals beneath one of the hottest deserts on earth? How do they build breath-taking stunt planes and how do they make nougat.

How do they farm the expensive spice saffron, how do they create giant roads made entirely from ice and how do they manufacture a muscle car.

Mike and Elvis are determined to buy a Mini Countryman for a caring mother. But the boys face a tough task with £500 to spend and no trade-in car.

The boys desperately want to buy policeman Jordan his dream car, a Subaru Impreza. Elvis surprises Mike as he dips into his contact book to buy a kit car.

In the West Country, Henry and Sam find some sheds full of classic bikes and vintage cars. They even find a limousine once owned by Eva Peron.

Henry and Sam visit a fanatical biker in Yorkshire, who has the biggest collection of motorcycles they've seen so far. What bike will they come away with.

More everyday items go under the microscope, revealing their production. How are objects including Formula F race cars made.

More everyday items go under the microscope, revealing their production. How are objects including vacuum excavators made.

When four sisters need advice about what to do with their father's 1939 328 BMW, they call on Wayne. But importantly, will he be able to make them a profit.

Wayne Carini welcomes viewers into the world of high-end car collecting. He must auction off a number of vehicles in his quest to obtain a 1911 Winton 17b.

Wayne Carini welcomes viewers into the world of high-end car collecting. A woman turns to Wayne for help in selling her late husband's 1965 Shelby Cobra 427 S/C.

Wayne welcomes viewers into the world of high-end car collecting. He gets a personal look at the last remaining original 1967 Ferrari 275 GTB/4 N.A.R.T. Spyder.

Mike's found a British motoring icon: a 1976 Land Rover Series III. One of the few registered in California, it's a rare find but Ant has work to do to get it moving.

Mike and Ant look back on their American adventure. Before they return home to the UK, they pack up the workshop and sort through the work of half a decade.

To Ant's dismay, Mike buys a 1979 Triumph TR7. Underneath its disco-era styling are some quirks, like a homemade air cleaner, bad wiring and soft shocks.

Part 1. Mike heads to Yorkshire to see a TVR S up for auction. Can he pull off the winning bid and get the car back in one piece for Edd to work his magic on.

Part 2. Edd has been working hard to get a TVR S back on the starting blocks. But when more problems arise, will it be ready in time for Mike to sell for a profit.

Mike is seduced by a stunning Morgan Plus 4 at only £13,000, but it needs a new chassis and fitting it will take at least a hundred man hours. How will Edd react.

Mike tracks down a TVR Cerbera for just £8,000. However, these classic sports cars are susceptible to rust. Can Edd patch it up or will the chassis need replacing.

Mike gets a great deal on a rundown Aston Martin DB7. Can Edd restore this classic at a profit - or will hidden problems blow their budget.

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 Cole and motorcycle guru Sam Lovegrove travel from Cornwall to Oxfordshire to rummage in some of Britain's most amazing sheds and make some cash.

In Leicestershire, Henry and Fuzz explore a shed full of classics, selecting a 1970s VW Beetle Beach Buggy. Can they restore it in time for a Somerset beach ride.

In Wiltshire, Henry and Fuzz admire Morris Minors and vintage mopeds. Can they revive a late 1980s Austin Mini in time for a historical road trip to Oxford.

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.

The Cogs bid for car-show glory with an iconic American pick-up truck. Richard is back on the racetrack. Can he impress the classic car power-players.

Metalwork expert Dominic restores an incredible 100-year-old banana barrow. Meanwhile, leather work expert Suzie repairs a well-used wallet with a remarkable history.

The team of restorers revive treasured heirlooms including a 1960s lawnmower, a Welsh rugby union trophy and a personalised leather belt.

Angus sells the treasures of an Abbey to fund the monks' retirement, and a motoring fanatic's cheeky sculpture sets pulses racing on sale day.

The Blacklighters are pushing for a big pay day. With weather threatening to halt their operation, the Misfits have to get crafty with their setup.

Paul Mackie and his expert team must haul a crew of first-time gold miners out of an epic three-year gold drought before their operation and family legacy ends in ruin.

Archaeologists use state-of-the-art digital technology to uncover the mystery behind human skulls from Chile. What happened to these discarded skulls.

Archaeologists use new digital technology to try and solve the mystery behind an ancient burial ground filled with bones, swords, an axe and more in Germany.

Everyday items go under the spotlight. How pharmaceutical blister packs, deli slicers and weather vanes are made.

Top and bowler hats, solar water heaters, sticky buns and electrostatic speakers go under the microscope.

More everyday items go under the microscope, revealing their production. How are objects such as electric boats and fencing foils made.

Follow the production process of aluminium foil, snowboards, soft polymer contact lenses and bread and find out how each of these items is made.

Max McMurdo and Simon O'Brien travel across the UK to find unique items lost in people's homes and fix them up for a profit. They turn trash into treasure.

Max McMurdo and Simon O'Brien travel across the UK to find unique items lost in people's homes and fix them up for a profit. They turn trash into treasure.

Max McMurdo and Simon O'Brien travel across the UK to find unique items lost in people's homes and fix them up for a profit. They turn trash into treasure.

Charlie Ross and Izzie Balmer begin their hunt for antiques in Stow-on-the-Wold. Izzie buys a toast rack, while Charlie eyes a military first aid kit.

Izzie Balmer and Charlie Ross hunt for hidden gems in Gloucester. Plus, Izzie learns about the incredible story of Britain's first female astronomer.

Izzie Balmer and Charlie Ross continue their road trip in Hartley Wintney. Charlie buys a cut glass sugar shaker, while Izzie eyes three bronze pigs.

Charlie Ross and Izzie Balmer search for interesting items in Salisbury. Plus, Izzie travels to Selborne to learn about one of the world's first ecologists.

Charlie Ross and Izzie Balmer scour the Isle of Wight for profitable antiques. Plus, Charlie heads to Blackgang to explore Britain's oldest amusement park.

First up, the team bring a well-loved Indian guitar back to life. Plus, leather expert Suzie is challenged with restoring a vintage RAF-issued flying jacket.

Silversmith Brenton is challenged with restoring a battered, old trophy. Plus, wood expert Will revives an impressive birdcage with a remarkable backstory.

Metal expert Dominic restores a 1940's snail riding toy. Plus, silversmith Brenton works on a treasured trophy won in a 1949 ballroom dancing competition.

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.

Angus sells the treasures of an Abbey to fund the monks' retirement, and a motoring fanatic's cheeky sculpture sets pulses racing on sale day.

Angus raids TV presenter Susannah's couture stash, then helps actress Leslie uncover treasures, memories, and a few famous surprises.

Metal expert Dominic gives a rare, old pedal aeroplane a new lease of life. Plus, luthier Julian works on a ukulele made from a box of cigars in 1926.

An ancestor of famous philosopher Simone de Beauvoir brings in a painting for a new lick of paint, and a beloved silver bracelet gets its charm back.

First up, the team bring a well-loved Indian guitar back to life. Plus, leather expert Suzie is challenged with restoring a vintage RAF-issued flying jacket.

Silversmith Brenton is challenged with restoring a battered, old trophy. Plus, wood expert Will revives an impressive birdcage with a remarkable backstory.

Metal expert Dominic restores a 1940's snail riding toy. Plus, silversmith Brenton works on a treasured trophy won in a 1949 ballroom dancing competition.

Around the world, there are extraordinary building mistakes. Design teams and experts analyse what went wrong and how engineers are fixing them.

A pilot fights to escape a helicopter accident, a powerboat spins out of control, a tanker fire erupts into an 1,800 degree fireball and a plane crashes from the sky.

Follow the production process of compact discs, mozzarella cheese and tights and find out how each of these items is made.

Follow the production process of apple juice, cosmetics and steel, and find out how each of these items is made.

An ancestor of famous philosopher Simone de Beauvoir brings in a painting for a new lick of paint, and a beloved silver bracelet gets its charm back.

Drew meets dealers who see antiques in different ways. He finds a carved lion with a mysterious back-story, and four chairs by his design hero, Pugin.

Drew seeks out antiques that are rich with local provenance. On the Scottish border, he finds a Georgian Cockpen chair, then snaps up a chilling art piece in North Wales.

As the season ends, the Dirt Dogs must deliver $233,000 of gold to hit the target. Alex faces a shock resignation, and the Gold Gypsies struggle with more gold thieves.

The Dirt Dogs invest in a hard rock mining plant. And, the Gold Gypsies are eager to be back in the field, but a $20,000 excavator repair is a tough start to the season.

Irita Marriott brings Latvian flair to the game as she takes on Tim Medhurst in a sporting tour of Lincolnshire's antiques emporia. One expert has a brush with the law.

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.

An ancestor of famous philosopher Simone de Beauvoir brings in a painting for a new lick of paint, and a beloved silver bracelet gets its charm back.

In the New Forest, Hampshire, Henry and Sam visit a collector of Americana. What rare bicycles and classic sportsters will they find in his sheds.

In the Midlands, Henry and Sam visit the sheds of a bike builder. He has a collection of rare bikes, but it's the surprise in his freezer that attracts the duo.

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 Fuzz meet collector extraordinaire, Alan in Norfolk. They search through rare Harleys, British bikes, hot rods and piles of automotive junk.

Angus helps a woman turn her collection into a mind-boggling sum at auction, and he has an opportunity to score with some rare football memorabilia.

Angus empties two homes packed to the rafters with exquisite antiques, intriguing curios and long-forgotten bottles of whisky.

Antiques experts travel the UK with a budget of £200 each in a competition to find and buy antiques or rare items and sell them for a profit.

Antiques experts travel the UK with a budget of £200 each in a competition to find and buy antiques or rare items and sell them for a profit.

Henry tackles his biggest project, restoring a Bell 47 helicopter for the 80th Anniversary Flight. It's a race against time to get it off the ground.

Dara Ó Briain is joined by guests Rhys James, Alasdair Beckett-King, Ed Byrne, Hugh Dennis and Ellie Taylor to comedically examine the week's events.

How do they turn trees into toilet paper? How do they make absinthe and how do they make cricket balls tough enough to face batsmen.

How do they cultivate green salad on scorching desert plains, how do they make rigging for ships and how do they produce lifesaving insulin from bread.