QUEST HD

How do they program robots to build cars, how are wine bottles sealed, and how can sea water be transformed into fresh drinking water.

Find out how they blast 10,000 tonnes of rock, how the earth is mapped from space, and how fresh flowers are provided all year round.

How do they fashion cool clothing that can withstand the heat of a furnace, and how do they turn sea into land to create artificial islands? Plus, putting the fizz in champagne.

How have they designed a car that can call the emergency services? How is metal turned into magnets? And how are the biggest ships propelled.

When Andy has another try at the world speed record for tow trucks in his Racing Wrecker, Bobby plans to take him on in a 1979 Zephyr with a hot new engine.

Yukon Do It! The junkyard is shorthanded and a total mess, and Bobby wants Andy to sort it out himself. But, Andy has others plans, setting up something special.

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.

More everyday items go under the microscope. How are objects including bead wire, leather gloves, mini pepperoni, irrigation sprinklers made.

More everyday items go under the microscope. How are objects including mouth-blown window glass, sake, water pumps and tweezers made.

Starting in John O'Groats, the first part of the ride takes in the history, landscapes and weather of Scotland. Henry Cole revels in the quietest roads in the UK.

Henry Cole visits some of the most scenic parts of the UK including the Lake District, the Pennines and the Cotswolds, finishing his ride at Land's End in Cornwall.

Henry and Fuzz head to Kent to visit Martin's eclectic collection. There's a classic Jaguar XJ, but a Cold War-era VEB Trabant steals their attention.

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.

Mike Brewer and Ant Anstead are bringing to auction a highly desirable 1965 Austin-Healey 3000 MkIII. Will a sparkling new interior be enough to earn top dollar.

After purchasing a badly modified Desoto Firedome Mike and Edd set about addressing the damage to give this stunning cruiser back some class.

Mike tracks down a part-finished restoration Camaro in California with its fair share of problems. Can the duo work their magic and make a profit on the project.

Mike tries to find a rust-free classic Stag, but it's harder than he thinks. Ed will have to keep costs super low for any chance of a profit on this one.

Henry and Fuzz head to Kent to visit Martin's eclectic collection. There's a classic Jaguar XJ, but a Cold War-era VEB Trabant steals their attention.

Henry and Sam scour Britain's sheds in search of vintage treasure to restore and sell for a profit. In Surrey they find Pontiac ambulances and automotive sculptures.

In Cornwall, Henry and Sam meet a collector whose cottage is full of memorabilia, penny farthings and lights of all description - watched over by Buster, the guard rabbit.

Henry and mechanic Sam visit two amazing sets of sheds in the West Country and Oxfordshire, in search of a vintage treasure to buy, restore and sell.

Henry and Sam scour a Cornish surf shack and find custom bikes, surf buggies and weird and wonderful objects of all kinds. Will they make some cash in Cornwall.

Henry and Sam are in Bodmin Moor rummaging through a collection built up over 25 years. It includes amphibious craft, motorbikes, nuts and bolts.

In Redruth, Henry and mechanic Sam are confronted with sheds filled with ramshackle contents, from Harry Potter's Anglia to a model canary-yellow Lamborghini.

In Redhill, Simon finds some valuable chairs and a cast iron fireplace. Meanwhile, Max has an ambitious plan to turn a Danish metal roller into a lamp.

Simon and Max rummage through some old barns in Worcestershire. Max wants to put wheels on two air tanks, while Simon sees potential in some wooden crates.

In Herefordshire, Simon finds an old workbench that he plans to turn into a chic dining table. Max thinks he can make a big profit on some motor oil bottles.

Vinnie runs out of jobs on the farm and boredom kicks in. But a visit from the 'Crazy Gang' creator Dave Bassett inspires him to do more for others.

Jacob, inspired by Boris, tries to build a duck pond but faces council issues. At the Edinburgh Fringe, he hints at returning to politics.

A road trip to Diggers Gully pays off for the Opal Lovers. Taking a gamble on their Turners Rush claim doesn't seem to be paying off for the Cheals.

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

As injuries pile up, the team push deeper into the Island in search of the Treasure of the Trinity, but a trail of clues leads to confrontation.

A dangerous run-in leads the team to an astounding new clue, but a communications breakdown leaves them in the dark about an approaching storm.

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

More everyday items go under the microscope with a look at how objects such as powder horns and inner tubes are made.

More everyday items go under the microscope. How are polish sausages, tripods and welding guns made? What's the process of statue restoration.

More everyday items go under the microscope. How are objects including ATMS and marine turbochargers manufactured? How is champagne made.

A client wants a German half-track armoured personnel carrier converted into a Pioneer variant, used by the German army during the Battle of the Bulge.

A French museum asks Bruce for help in acquiring an incredibly rare German Panzer 1 tank. He also explores the remains of secret underground Nazi war factories.

Henry and Simon head east to Norwich where they visit a farm with an extensive collection of tractors. They find a bicycle with an unexpected and rare addition.

Henry and Simon head to the Norfolk Broads to rake through a couple's hoard of junk. They find an American pick-up truck and an old bird cage.

The boys head to Birmingham, where they look through a demolition expert's trove of salvage. Simon finds a dilapidated chaise longue and then the boys argue about an old bench.

Henry and Simon head to Burton-on-Trent where they search through a petrol head's collection. Henry gets excited about a dump trump and a remote-controlled plane.

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.

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.

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.

The team take on 200-year-old leather fire bucket and a shattered gold ring. Plus, Will tries to crack the code on a jewellery box with a puzzle to solve.

Mechanical expert Steve has a tricky problem trying to fix an old school calculator. And the team take on a well-loved garden bench and an antique bridle.

Angus helps Wayne Sleep shift a wardrobe of costumes worn over his decades-spanning career. Plus, Jodie Kidd reveals a stable full of family treasures.

Can Toy Cars Get Us To The Arctic? A retired couple asks Angus to sell their toy collection. Will they make enough funds to fulfil their dream of seeing the Northern Lights.

Irita unearths rare military medals whilst helping sisters clear their childhood home. She also responds to an SOS from a couple who need to downsize.

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.

Mechanical expert Mark restores a beloved toy race car. Woodworker Will revives a cherished puzzle box. Julie and Amanda repair a teddy bear.

The team take on 200-year-old leather fire bucket and a shattered gold ring. Plus, Will tries to crack the code on a jewellery box with a puzzle to solve.

Mechanical expert Steve has a tricky problem trying to fix an old school calculator. And the team take on a well-loved garden bench and an antique bridle.