Quest HD

How do the islanders of the Outer Hebrides use pedal power to weave world-famous Harris tweed? And, in Iceland, how do they prepare fermented shark?

How do they make the world's most expensive and luxurious beds? And, how do they deliver supplies and equipment to the International Space Station?

Drew and Al buy from heritage sellers, snapping up a curved oak settle made in 1810, and century-old steel tables from a Northampton blacksmith.

Drew and Viki buy for Viki's new Edinburgh premises. They find deer antlers from a Cumbrian country house and industrial tables from a former tannery.

Drew and Paul unearth a 1968 Mark 11 Jaguar to modify to give a race-inspired look. In Yorkshire, they discover a rare gold 1970s Mercedes 350 SLC that is in need of a lot of work.

Find out how amphibious vehicles, putters, model ships, and coloured crayons are made.

Footballs, guitar amplifiers, marbles and aeroplane propellers: more everyday items are put under the microscope to find out how they are made.