QUEST HD

How do they blend science and destruction at crash test centres? And how do they piece together the complex mechanism of a pocket sized umbrella.

How do they extract iron ore from one of the most remote mines on the planet? And how do they make chandeliers that are fit for a queen.

How do they forge the blades to crack open oyster shells? Plus, how do scientists in a lab grow the synthetic diamonds of the future.

How do they make cheddar, the world's most popular cheese? How do they breathe life into Rususci Anne - the plastic woman that teaches CPR.

Andy has proven that he knows how to run his junkyard and custom car shop empire, but his risk-taking skills may have run out.

When people look out at Andy's junkyard all they see is junk, but he sees possibilities. With the junkyard filled, Andy's on the hunt for new ways to move parts.

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.

Learn how everyday items such as pressed glass, pickup truck cabs, alpaca yarn and utility knives are produced.

Discover how life casts, downdraft cooktops, compression hosiery and electric motorcycles are made.

For their businesses to thrive, Andy, Bobby and their team find the proverbial diamonds in the rough, chase down deals, and add value to what others throw away.

A New Day, a New Dollar. After weeding out a handful of clunkers, Andy spies a Mercedes SL55 AMG at an auction - but he may have bitten off more than he can chew.

In Saltsburg, Mike and Robbie Wolfe meet Jack who likes to collect old buildings, including the Altman Mill. The guys pick some old restaurant memorabilia.

Permit delays ruin the Poseidon Crew's hopes of a massive payday on their famed ground. A torrential downpour forces Shane and Russell to evacuate their dig site.

Jacqui and Andrew are targeted by potential gold thieves. Marcus and Linden hunt ground close to the site of the biggest nugget ever found in Western Australia.

The Poseidon Crew finally start digging legendary ground in search of a multi-million-dollar nugget. Shane and Russell endure the snake-ridden wilderness in Pilbara.

Wood restoration expert Will restores a desk with a remarkable family history. Plus, a beloved toy elephant and a French clock are repaired.

Wood restoration specialist Will brings a precious but broken toy yacht back to life. Plus, leather expert Suzie restores a midwifery bag used in the First World War.

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.

Henry and Sam are in East Anglia, checking out a collection of Morris Minors and motorbikes. The duo spot a few bikes they like, including a nice fixer-upper.

In Oxfordshire, Henry and Sam meet three brothers with containers full of bikes, tractors and other trinkets. They're after a motorbike, but can they find more.

Henry and Simon visit an impressive militaria collection in Shropshire. The lads pick out some storage bins, a long bench and a motorised skateboard.

Henry and Simon head to the Isle of Wight to meet some former publicans who have a wide variety of hoarded items. Can the boys find some lost treasures.

Wood restoration expert Will restores a desk with a remarkable family history. Plus, a beloved toy elephant and a French clock are repaired.

Wood restoration specialist Will brings a precious but broken toy yacht back to life. Plus, leather expert Suzie restores a midwifery bag used in the First World War.

Patrick and Kirsty unearth a giant million-dollar Amethyst cluster, while Pete and Kyle struggle to extract extremely fragile and rare Crocoite crystals.

The Bushmen make a last-ditch attempt to find some opal before the mine collapses. Mark gets back on the heavy machinery that nearly killed him.

Orla Chennaoui and Adam Blythe are joined by the stars of cycling for a comprehensive guide to bike racing on the track, road and in the mountains.

How do Ford produce the ubiquitous white van, the Transit? Plus, how do they ensure the Driza-bone coat lives up to its name.

How do they make wood-burning stoves that bring warmth to the Norwegian winter? Plus, how did they build the synthesiser that changed music forever.

How do they assemble the reinvented Morgan 3 Wheeler? Plus, how do they protect firefighters' hands from heat, flame and chemical attack.

How do they make wind turbines with twice the wingspan of a Boeing? Plus, how do they mould car tyres from the ooze of a tree.

For their businesses to thrive, Andy, Bobby and their team find the proverbial diamonds in the rough, chase down deals, and add value to what others throw away.

A New Day, a New Dollar. After weeding out a handful of clunkers, Andy spies a Mercedes SL55 AMG at an auction - but he may have bitten off more than he can chew.

Henry and Simon head to the Isle of Wight to meet some former publicans who have a wide variety of hoarded items. Can the boys find some lost treasures.

Find out how items such as sidecars, frozen French toast, refrigerator compressors and superchargers are made.

More everyday items go under the microscope, with a look at how objects such as custom knee braces are made.

You Say Trash, I Say Tank. Andy loves a challenge. So when he agrees to a paintball tank build and to a bet with his father over a pickup truck at the same time, it's game on.

Build a Jeep, Crush a Car. Andy's drive to grow his business pushes him to take on more work than he can handle. With problems mounting, he leans on his team of seasoned techs.

Robbie Wolfe and Jersey Jon pick for treasures on a farm in Michigan. Meanwhile, Mike travels solo to check out drag racing cars in Pennsylvania.

A robbery at the Gold Retrievers' camp puts more pressure on Chris and Brad's partnership. Marcus and Linden finally hit a rich patch of nuggets.

Jacqui and Andrew feel the pressure as they battle hard rock ground that could ruin their latest deal. Plus, Shane and Russell search an ancient mine.

The Poseidon Crew are running out of time to find a 1,000-ounce nugget. The Gold Retrievers work through the night in an attempt to escape dangerous summer heat.

A woman wants a beloved treasure chest to be restored for her granddaughter. The team repairs a toy rabbit and a ceremonial helmet from the army.

Wood restorer specialist Will restores a handmade childhood chair. Plus, bookbinder Chris revives a treasured wedding album that was damaged in a house fire.

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.

Henry and Sam are in Devon, sorting through a workshop full of old signs, petrol pumps and vintage cars. Can they find some gems amongst all the rust.

In Worcestershire, Henry and Sam meet a farmer with a shed full of bikes that don't appeal to the guys. However, there's a surprise waiting in a nearby field.

Max McMurdo and Henry Cole hunt for hidden gems in Somerset. Henry picks out a pond yacht, while Max is impressed by a farmhouse dining table.

On the Isle of Wight, Henry and Simon meet another Simon, who has an extensive collection of old vehicles, including a retro three-wheeled motorbike and an American rocker.

A woman wants a beloved treasure chest to be restored for her granddaughter. The team repairs a toy rabbit and a ceremonial helmet from the army.

Wood restorer specialist Will restores a handmade childhood chair. Plus, bookbinder Chris revives a treasured wedding album that was damaged in a house fire.

The guys are in Herefordshire to look around a farmer's eclectic collection. Henry sets his sights on a Nuffield tractor, while Sam wants an antique bird scarer.

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.

Woodworker Will is tasked with fixing up a very unstable table. Meanwhile, Cobbler Dean is challenged with mending a pair of clown shoes.

A woman wants a beloved treasure chest to be restored for her granddaughter. The team repairs a toy rabbit and a ceremonial helmet from the army.

How do they make the tank piercing super bullet? Plus, how do they forge the infamous torture weapon, the dentist's drill.

How do they make giant floating power stations that provide power around the world? Plus, how do they fabricate the world's smallest aircraft.