Disc.Turbo+1

Mike and Ant welcome a zippy little 1974 Fiat X1/9 sports car to the workshop. There's hardly any rust, but big problems lurk behind the driver's seat.

Find out how they blast 10,000 tonnes of rock, how the earth is mapped from space, and how fresh flowers are provided all year round.

How do they fashion cool clothing that can withstand the heat of a furnace, and how do they turn sea into land to create artificial islands? Plus, putting the fizz in champagne.

Derek goes off the deep end with an '80s icon, the DeLorean. It's been wrecked and doesn't run, but Derek and his friends change all that with a good old junkyard LS.

Paul persuades Drew to buy a Triumph TR4 and he pays homage to one of his automotive heroes. The boys reinstate a stylish feature that never made it to production.

Ant hits week seven of his Alfa build and takes the team on a pilgrimage to see an original Alfa 158. He is starstruck and even squeezes into the beauty for a selfie.

Ant's engine for the Alfa 158 is still missing in action and he is losing patience. He's been working early mornings, late nights and weekends.

Henry and Fuzz visit Stuart in Wales and uncover a Morris 35 van. It's tired but full of charm. Can they get its wheels turning again.

After appointing the new manager, Richard questions his role in the business. Tensions rise at a meeting to discuss the future of The Smallest Cog.

Too Much Rough, Not Enough Diamond. When Andy's dad, Bobby, decides to fix up the ultimate junker, he has his doubts. But Bobby's ready to prove Andy wrong with some old tricks.

In Italy, a towering bridge collapses. In Connecticut, tragedy strikes a construction site. A bridge fails mid-construction in Canada's capital.

Around the world, there are extraordinary building mistakes. Design teams and experts analyse what went wrong and how engineers are fixing them.

Ant hits week seven of his Alfa build and takes the team on a pilgrimage to see an original Alfa 158. He is starstruck and even squeezes into the beauty for a selfie.

Ant's engine for the Alfa 158 is still missing in action and he is losing patience. He's been working early mornings, late nights and weekends.

Francis and Chris dig deep to help save their loco restoration when crisis hits. Will their high-risk strategy destroy their dream.

If money were no object, the Mercedes 560SL was the car to buy in the 1980s. Mike finds a well looked after example in need of a complete refresh.

Henry Cole and motorcycle guru Sam Lovegrove travel from Cornwall to Oxfordshire to rummage in some of Britain's most amazing sheds and make some cash.

Henry and Sam are in Buckinghamshire seeking hidden automotive gems to sell. They find stationary engines, traction engines and vintage petrol cans.

Chris and Francis try to make up lost time following lengthy wheel problems, but leaky brakes and a 12-tonne jigsaw stand in their way.

Paul and Helen are tasked with helping a family man find an exciting hot hatch. Their client wants a fun-to-drive motor with great handling.

A local television presenter wants a motor with a stylish interior and a 2.0-litre engine. Paul and Helen hunt for the perfect luxury SUV.

Around the world, there are extraordinary building mistakes. Design teams and experts analyse what went wrong and how engineers are fixing them.