Disc.Turbo

It's been tipping over for 800 years - what's the gravity-defying magic behind Pisa's leaning tower? And, how are chocolate digestive biscuits manufactured.

How did the ancient Greeks invent parchment with techniques still used today? And how do they make shuttlecocks, the fasting moving object in sport.

A 4x4 customiser knows his Land Rover Defenders - but supercars are unfamiliar territory for him. Helen and Paul find him a dream car with a big budget of £150,000.

A dad-of-five wants to join the EV revolution with an ultra-modern and nimble car. Helen and Paul show him three of the best all-electric commuter cars.

Salvage aficionado Drew Pritchard teams up with Paul Cowland for a motoring mission. They scour the UK, buying, restoring and selling classic cars.

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.

Richard opens a classic car restoration workshop but being the boss of a new business isn't quite what he expected. He ropes in his family to help promote it.

Dave Chappelle helps Derek to revitalise a 1972 Jeep J2000 that's sat among a field of neglected Jeeps. Can they turn it into an off-road machine.

Richard sees potential in the golf cart industry and is willing to try to turn the shop around. But when his plans are put on halt, Richard has second thoughts.

A Labour Of Love. Ant hopes restoring and selling a 1973 Lotus Elan will help pay for more renovations at the farmhouse. But he hits major engine problems.

James proves the superiority of roundabouts and tackles toothpaste wastage. Then, he takes on a cheese and cracker problem.

A Lancia Fulvia coupe may be Drew and Paul most exciting project as they enter it into a prestigious concours event. But its problems could sabotage their ambitions.

Mike trades a classic Citroen for an F-Type Jag. Later, he visits a classic car auction to test the market and tries his hand at Crown Green Bowls.

Mike discovers a true Japanese legend from the 1990s, the Nissan 300ZX twin turbo. Ant wants to boost the performance even more - but Mike has the opposite in mind.

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.

Mike heads to Poland to avoid the dreaded British 'Porsche Tax'. Plus, he turns a profit on an ugly duckling Peugeot and chases a sale at Santa Pod.

Derek and his brother Sean head back to their family farm in North Dakota. They dig out a 1971 Chevrolet Chevelle sedan that has a waterlogged engine.

James designs a fully integrated desk/workout station. He's on a mission to use up all the ink in a Bic pen and make spaghetti in a paper shredder.

Mike Brewer and Ant Anstead are bringing to auction a highly desirable 1965 Austin-Healey 3000 MkIII. Will a sparkling new interior be enough to earn top dollar.