QUEST

Tim works on a bicycle that has been out of action since 1983. Amanda and Julie repair a teddy bear on wheels, while Steve revamps a Victorian helmet.

Modern day treasure hunter Drew Pritchard travels the length and breadth of the UK in search of weird and wonderful objects. The bigger the hoard, the happier he is.

Modern day treasure hunter Drew Pritchard travels the length and breadth of the UK in search of weird and wonderful objects. The bigger the hoard, the happier he is.

A failed plan sees the Gold Gypsies run out of time and options. Meanwhile, the Dirt Dogs uncover a huge find -but there's a catch.

In the final week of the gold season, the Dirt Dogs gamble big to hit their tally. Kellie and Henri mount a last-chance hunt for big nuggets.

The Bushmen dodge rockfalls in a potentially deadly new mine. The Fire Crew close in on a new deposit of black opal and the Boulder Boys struggle to drain their pit.

The Bushmen are desperate for a breakthrough after a run of bad luck. And the Young Guns are under financial strain and fall out over their new mine.

Tim works on a bicycle that has been out of action since 1983. Amanda and Julie repair a teddy bear on wheels, while Steve revamps a Victorian helmet.

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.

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.

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.

What's Occurring In Wales? On the second leg of Izzie Balmer and Mark Hill's first-ever road trip, they battle for bargain antiques in the towns and villages of Carmarthenshire.

Doyenne of the jewellery world, Izzie Balmer and 20th century design whizz Mark Hill raid the antiques shops of Stroud, Cirencester and beyond.

Things appear to be on the up when they land a prestigious Morgan job, but a disastrous E-Type re-build prompts an emergency audit by Richard's mum.

The Opal Whisperers are on a mission to unearth something worthwhile from their newly excavated trench. Aging machinery slows The Bushmen down.

Bruce and John are back at Burra hunting the old mine pit and gaol. Meanwhile, Michael and Max are detecting Balmoral Baths in Sydney.

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.

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.

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

Italy. In northern Italy, Mike and Elvis tackle the last truly analogue Ferrari, the 348. And this one is in dire need of a cambelt change.

Poland. In Poland, Mike and Elvis find a weathered Polski Fiat 126. After their restoration, they go on a snow-covered joyride alongside other loyal 126 fans.

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.

More everyday items go under the microscope. What are the production processes behind common objects such as recycled skateboard guitars.

More everyday items go under the microscope. How are common objects including racing pulley systems and medicine balls made.

Dominic is tasked with restoring a dangerous go-kart. Suzie revamps a hand-crafted leather gun slip, while Kirsten works on a papier-mache cat.

Modern day treasure hunter Drew Pritchard travels the length and breadth of the UK in search of weird and wonderful objects. The bigger the hoard, the happier he is.

Modern day treasure hunter Drew Pritchard travels the length and breadth of the UK in search of weird and wonderful objects. The bigger the hoard, the happier he is.

Five crews of gold hunters face all-new bonanzas, battles, heroism and heartbreak, as a new season dawns on the Western Australian Goldfields.

As Gold Gypsies Chris and Greg Clark start their season with heartbreak, the Dirt Dogs hit a possible jackpot. And wild western team Ted and Lecky Mahoney hit the gold trail, hard.

The Tunnel Rats are under extra pressure as rival miners close in on their claim. And, the Bushmen must brave an abandoned mine to remove a dead animal.

The Bushmen confront a miner who has illegally dug their claim. The Young Guns must find a new source of opal when poisonous fumes force them to abandon their mine.

Dominic is tasked with restoring a dangerous go-kart. Suzie revamps a hand-crafted leather gun slip, while Kirsten works on a papier-mache cat.

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 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.

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

Angus finds musical gems including Eric Clapton's old gear in an unusual home, and helps a grieving daughter sell her late mum's clockwork elephant.

Izzie Balmer and Mark Hill motor through Oxfordshire and the Midlands searching for hidden treasures to take to auction.

Mark and Izzie's final outing, where they fall in love with cuddly toys, dumbwaiters, and early 20th century glass. Who will make the biggest profit.

Angus unearths vintage toys and faces a downsizing dilemma. He auctions a collection of rare stamps, and some beloved Art Deco furniture.

The team take on a unique bicycle sidecar designed for junior passengers. Plus, a Victorian sewing stand needs a lot of work, and a military drum gets a refresh.

Metalworker Dominic is challenged to revive a rare and collectable 1930s seesaw. Meanwhile, embroidery expert Sara works on a hand-stitched bedspread.

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

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