Quest Thursday

The guys arrive in Dundee to view a Lotus Elise S1. Drew is furious at numerous modifications made to the car, including stickers and a wing

Sculptor Nick and gilder Ruth team up to restore a very expensive antique table. Meanwhile, upholsterer Craig has difficulties fixing up a mid-20th century classic design

Dani and Robbie check out a property in Arizona with killer steam engines, while Mike and Jersey unearth a vast collection of petroliana in Alabama

Shane and Russell gamble on a unique wash plant. The Poseidon Crew searches 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, and Shane and Russell overwork their sluice

The Poseidon Crew recruits a 14-year-old worker to help speed up its operation. Meanwhile, the Gold Timers are slowed down by a freak dust storm

Old partners Aaron Grotjahn and Col Duff reunite on a prospecting mission. Meanwhile, the Tunnel Rats race to protect their claim as rival miners close in

The craftspeople turn their attention to a rare historic painting, a vintage sewing machine, a Beatles souvenir and a splintered stained-glass window

The team restores a pair of binoculars salvaged from a Second World War U-Boat, two leather boxing belts and a vintage mechanical money box

In Gloucestershire, Henry and Fuzz take on a risky Triumph Spitfire that has been in a crash. In their biggest restoration challenge yet, can they fix it?

The boys explore Wiltshire and Oxfordshire, meeting animal enthusiast Susan. Simon repurposes an old umbrella stand, and Henry tackles an antique chaff cutter

Max McMurdo restores a pair of designer chairs, while Henry Cole breathes new life into a decrepit garden table, transforming it into a colourful and valuable new one

Mike Brewer tracks down a Fiat Panda 4x4 with potential, and Edd China does the mechanics, before they try to make a profit

Stage six from Potenza to Napoli

Newcomer, Neil Wilkinson Jr., abseils down a deadly mineshaft in search of cubic fluorite, while Jarrin and Hugh take the plunge into frigid waters

Melanie and Alex's mining future hinges on their revolutionary $400,000 dry blower. Newcomers Sheryl and Simon struggle to find new ground

Paul Mackie and his expert team must haul a crew of first-time gold miners out of an epic three-year gold drought before their operation and family legacy ends in ruin

The manufacturing documentary reveals how a classic British bike is being rebooted in India, and how radiation is used to beat art fraud

An insight into the life-saving science behind crash-testing cars. Plus, how expensive Dutch tableware is made, and the process of making hand-made, pocket-sized umbrellas

An insight into large-scale iron-mining operations in the Australian Outback. Plus, how the world's biggest wave machine is used for flood defences

A look at the development of the finest oyster knives, and the lights transforming sport worldwide. Plus, how diamonds grown in a greenhouse are behind a gemstone revolution

American Chopper's Paul Teutel Jr displays his formidable collection of cars, which he is now keen to take in a new direction

Wayne Carini travels to the Midwest to inspect an eclectic collection of motors, including cool classics, some ornate 1930s cars and a huge vintage lumber truck

Wayne Carini works on a 1931 Pierce-Arrow Model 42, a vintage Mac lumber truck and a 1934 Diamond T 406 Deluxe Express truck

Wayne Carini encounters early 'microcars', a 1924 Auto Red Bug and a tiny 1947 Curved Dash Oldsmobile JR in a backyard shed

The boys explore Wiltshire and Oxfordshire, meeting animal enthusiast Susan. Simon repurposes an old umbrella stand, and Henry tackles an antique chaff cutter

The manufacture of pipes, rock-climbing equipment, bike saddles and luxury sports cars

The manufacture of replica foods, rocking horses and London taxis, and how traffic cone dispensers are produced

Buying goods from home

Buying goods from home

Paul and Drew set their sights on a Lancia Montecarlo. This classic car needs serious work, but the guys are still willing to offer £7,000 for it