QUEST

How do they drill through a kilometre of solid rock, pick 20,000 oranges a minute for juice, and get glass to curve without cracking.

How do they service the A380, the world's largest plane? Plus, how do they generate 500,000 kWh from 1oz of uranium, and build and tune a piano to concert standard.

How do they make the magic suits that stop jet pilots blacking out when they are flying, and how can a robo-cop stop a stolen car without a high-speed chase.

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

Mike Brewer and Ant Anstead try to arouse the passion of the Saab enthusiast community by restoring a rusty, non-driving 1973 Saab 96 to its past glory.

Mike tries to tap into the 90's nostalgia scene with a 1994 Mitsubishi 3000GT VR-4. Ant has his work cut out for him returning the car to its original state.

The boys head to Llandudno, where they search through an old family business. Simon finds an old shelving unit and some nested tables, while Henry picks up an old work bench.

Find out how common items like pipe cleaners, blue stilton cheese, smart electric meters and telescopes are made.

Discover how fish replicas, siren systems, pre-packaged sandwiches and candlesticks are produced.

A game changing piece of equipment leads the Ferals to their biggest nugget haul of the season. Plus, Shane and Russell battle unseasonal weather.

The Poseidon Crew are slowed down by fierce storms. Jacqui and Andrew encounter a deadly insect, while the Gold Timers try to fix their dry blower.

The Bishop loses his partner Scotty deep underground. The Tarantos' hopes of exposing a rare pocket of opal are in jeopardy and Young Guns make a big mistake.

The Misfits put their faith in an ancient bulldozer for the season's last dig. Meanwhile, infighting stalls efforts to unearth the Opal Whisperers' haul.

Drew Pritchard and Viki Knott search for items that preserve Britain's history. They visit a brass foundry, a stately home, and a salvage yard.

Drew Pritchard and Alister Dryburgh uncover hidden gems, including a collection of vintage motorbikes and a new antiques shop in Devon.

Drew and Viki buy from new business ventures. They attend the opening day of an antiques fair and visit a brand-new antiques centre.

Drew and Al buy from sellers who share their love for country house antiques. They snap up an 18th-century chest of drawers and smokers' bow chairs.

A hunt for lost gold in a Glasgow flat proves a challenge for Angus. He also helps a widow with an emotional downsize.

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.

Lot of Bottle & Miner Bonanza. Angus sells a huge collection of unearthed Victorian bottles and vintage tins before finding a valuable haul of miners' strike memorabilia.

What's Your Handle? Angus helps a daughter sell her late father's CB radios. And after losing their partners, he helps a new couple start their next chapter together.

A Gold Medal & A Hand Grenade. A surprise find in a client's garden has Angus's team stunned, but will a big silver key unlock a generous donation to a worthy charity.

Silversmith Brenton is given the challenge of restoring a precious hand mirror. And, furniture restorer Graeme rejuvenates a broken Eames chair.

Henry and Sam are in Lancashire, visiting a petrol head with a collection of vintage bikes and rare British and American four-wheelers.

In Oxfordshire, Henry and Sam find a shed full of different items. Sam has his eye on some model trains while Henry finds a vintage bike.

The team restores festive items including a 100-year-old artificial tree, a snazzy 1960s home bar, an old projector and a toy Santa decoration.

A pair of brothers bring in a Raleigh Chopper bike they got as a Christmas present in 1975. Plus, an elderly woman brings in her childhood teddy bear for restoration.

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.

How do they look after sharks at the world's biggest aquarium? How do they grow precious stones? And what does it take to build a luxury Bentley.

Mike and Ant work on one of the first utility vehicles, a '64 Falcon Ranchero. Its vintage features are suffering under a coat of cheap black paint.

Mike picks up an extremely distressed 1965 Dodge A-100 Sportsman. Will custom-built surf inspired details provide enough wow-factor to snag a buyer.

Jim must work out if a Harry Potter paperback is a rare first edition. Charles discovers memorabilia from the first ascent of Everest in 1953.

Find out how everyday items such as tapioca pudding, snow ploughs, paddle boats and fibre cement siding are produced.

Discover how rally cars, pork pies, floating fountains and artificial stone ornaments are made.

Shane and Russell gamble on a unique wash plant. The Poseidon Crew search for an ancient river gutter, while Jacqui and Andrew battle intense heat.

Marcus and Dale find a huge gold nugget. The Gold Timers uncover their biggest gold haul ever, while Shane and Russell overwork their sluice.

The Bushmen risk their lives digging where opal thieves removed the ceiling supports. Meanwhile, the Blacklighters switch to dangerous night mining.

The Bushmen bring in an explosives expert to blast through the toughest rock in Grawin. A brand-new team brings cutting edge technology to the opal fields.

Peter And Cat / RAF Truck. Henry and Fuzz view an exquisite collection of military and civilian vehicles in Guildford. What will they sell to the drummer from a British rock band.

Henry and Fuzz sail over to the Isle of Wight. They meet Vince, a fanatical collector whose sheds are bursting with British and Japanese bikes.

Henry and Fuzz are overwhelmed by Nick from Brackley's military collection. They leave with a vintage rarity, but will they find a buyer for something so unique.

Henry and Fuzz rummage through David's hoard of Italian bikes in Norfolk. They're smitten by his Ducatis and his rare Mot Guzzis, but just what will he sell.

Henry and Fuzz head to Lincolnshire to see Kevin's collection of vintage lorries and trucks. They find a Cornish fire engine, but is it too hot to handle.

Henry and Fuzz are staying local, visiting Francis' farm in Oxfordshire. There's tractors, bikes and trinkets, but what will they come away with.

Henry and Fuzz are down in Somerset visiting Mike's farm. Will they play it safe with a motorbike or take a risk on something agricultural.

The pursuit of profit sees Henry and Fuzz rummaging through Rebecca and Sue's sheds near Newark. It's home to all manner of vehicles and parts.

In Bournemouth, Henry and Fuzz look through Max's vast automobilia collection. Whilst some are fully restored, others need fixing up. What will they come away with.

In Derbyshire, Henry and Fuzz visit Rob's haven of classic and rare bikes. They explore his collection of 1960s Lambretta scooters and 1920s 'flat tankers'.

In Lincolnshire, Henry and Fuzz trawl through Dave's eclectic mix of military, classic and agricultural items. What will they come away with.

Henry and Fuzz meet Tim, a specialist bike restorer with a passion for all things British. Will they persuade him to part with a rare Triumph soft top.

Henry and Fuzz head for Cumbria where Dave's mega-shed awaits. Henry is lost for words but once the haggle begins, what will he decide on.

Henry and Fuzz explore George's automobilia collection in Dorset. Henry's in the mood for a SPQR: Small Profit Quick Return. Can he strike a good deal.

Henry Cole and the team are in Austria for a unique winter project. They're looking for a vintage machine to restore for some fun on the slopes.

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

A woman asks ceramics conservator Kirsten to repair a plate that bears a photograph of her late mother. Plus, Barry restores an old military compass.

In Yorkshire, Henry and Fuzz uncover a 1951 Lea Francis Saloon: hand-built, elegant, and born in a time when motoring was a luxury.

Henry and Fuzz visit Faringdon, where a Triumph TR3A awaits revival. Can they restore this classic British roadster to its former open-top glory.

Henry and Fuzz visit High Wycombe, where a 1960s Chrysler Imperial Crown awaits rescue. Can they revive this bold slice of American luxury and power.

How do they make batteries from brine? How do they build a tropical island from trash? And how are fragrances blended to create different types of scents.

How can steel repair itself? How do they create the world's most powerful bikes? And how is wood transformed into paper.