Quest HD

Find out how they make military helicopters, how they design metro systems, and how they engineer artificial reefs.

How do engineers build and control high-tech, unmanned aircraft? Plus, the process of removing caffeine from coffee is revealed.

How do Japanese master chefs prepare the extremely poisonous puffer fish and avoid killing their customers? How do Scots weave over 700 types of tartan for kilts?

How do they run Riker's Island, one of the biggest jails in the world? How do they make the famous Royal Mail post box? What is the process of turning fruit into jam?

Drew and Tee head to a salvage yard in Clacton-on-Sea and unearth a quirky enamel advertising sign. And, Drew nabs the deal of the century on a work of art in London.

Drew is thrilled to look through an oddball collection of military antiques in Nantes, France. Plus, he takes an interest in a de Sede sofa bed in the Netherlands.

Dealer, Saxon Durrant asks joiner Robin to give a 1930s kitchen cabinet a new sleek transformation. Meanwhile, Blacksmith, Nev manages to turn a fire grate into a modern piece of art.

More everyday items go under the microscope, revealing their production. How are objects such as plastic model kits and light microscopes made?

More everyday items go under the microscope, revealing their production. How are objects such as gummy vitamins and boat trailers made?

Presenting the latest products live on television that can be ordered directly. The product range extends from vacuum cleaners and bath towels to sports equipment.

Presenting the latest products live on television that can be ordered directly. The product range extends from vacuum cleaners and bath towels to sports equipment.

Leather expert Martin and engineer Bo restore a Victorian dentist's chair. Taxidermist Chris uses unusual techniques to revive a Victorian heron.

Drew gets an insider's tour of Scotland with local dealer, Viki Knott. He discovers a Mackintosh-influenced chair and some sinister 1960s Americana.

Drew and Alister hunt for exciting stock and visit a business specialising in the creation of artificial flowers for film and theatre.

In flooded Victoria, the Poseidon Crew are forced back onto an old lease, as Shane and Kate call in some vintage help in Western Australia, and Jacqui and Andrew get separated at night in far north Queensland.

Disaster strikes the Gold Devils with just weeks left in their season, the Gold Retrievers put their gold dreams on the line, and Vince Bibi and Murray take a big risk, investing in new machinery.

On the eve of the famous Lightning Ridge Opal Festival, The Misfits battle to treat 150kg of matrix opal, forcing Cody to cook up a miracle.

Oscar sends The Cheals on an important mission to unearth a rare green-orange gemstone for a potential buyer. The Mooka Boys get a motor problem.

Emma is hoping Julie and Amanda can work their magic on her quirky companion, a worn and cracked puppet from the 1970s. The puppet was a present from Emma's dad, who very sadly passed away not long after gifting the toy to his daughter.

Phil's shed is packed with bikes and 'trinketry'. Henry loads up on motoring memorabilia and a classic Suzuki motorbike. But can the boys restore it and still make a tidy profit?

Dave's shed is Henry's dream: packed with treasures, classics, and vintage motoring memorabilia. Can a rare petrol pump and fuel cans be restored?

In a shed, Henry and Fuzz stumble upon a long forgotten 1983 Vauxhall Nova. Can they help get this once iconic vehicle back on the road?

Simon restores an enamel roll top bath and builds a kid's den out of old doors. Meanwhile, Henry makes a wall mounted safe from a jerry can and lovingly restores a cheese making trough.

A huge haul of designer watches sets pulses racing on auction day. Angus helps a woman sell some antiques her late father meticulously restored.

A Statue of Liberty, an engine order telegraph and a broken fruit machine go under Angus's gavel as he helps a couple slim their wacky collection.

Catherine Southon and James Braxton are on the second leg of their five-part expedition, acquiring the very best antiques their budget allows. Pride and profits are at stake, and with Catherine in the lead after winning the last auction, James is determined to close the gap.

Ant buys a 1968 Alfa Romeo Giulia with no steering. Duncan is not impressed as clutch trouble and a hole in the floor will add to the repair bill.

The countryside acts as a comfort blanket when Vinnie is rocked by some upsetting family news. Wobbly and Emma are on hand to keep him swinging.

Resident horologist Steve Fletcher and ceramics restorer Kirsten Ramsay turn their skills to fixing an art deco lamp in the shape of a lady, who is suffering from broken ankle after an unfortunate accident. Furniture restorer Will Kirk uncovers some hidden secrets while...