Disc.Turbo+1

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

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.

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.

Mike gambles on a Ford P100 imported from South Africa to Scotland. But it's hit with a series of problems - and will it cope with the UK's weather and roads.

The guys revive a Bavarian beauty when they rescue a 1970 BMW 'Neue Klasse'. A desert dash unearths two Mini Moke shells that could make a big profit.

The deadline is fast approaching and the crew still haven't finished the 1967 customised Chevy C10. The client has very high expectations, can the Martins meet them.

Mike tries to tap into the 90's nostalgia scene with a 1994 Mitsubishi 3000GT VR-4. Ant has his work cut out for him returning the car to its original state.

Brad DeBerti and his dad, Doug, plan to reveal a new truck at the world's biggest auto show. But, they are under serious time pressure - can they finish it.

Powerhouse Coach builds one of the greenest RVs on earth. Colorado has the toughest Unimog, and $2.4 million buys chic style from Featherlite Vantare.

Dave and Kev head to Lake George for the Adirondack Nationals. The entire town shuts down for this car show, attracting the best on the East Coast.

Steve and Sam get into deep trouble transporting a state-of-the-art Navy mine sweeper. Plus Simon has his hands full cleaning up after moving a 40-tonne vehicle.

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

An excited Drew and Paul get their hands on what has become known as 'the poor man's Porsche'. Can the boys change the 914's reputation once and for all.

In Cornwall, Henry and Sam find some very rare early-1900s steam-powered cars. If they're very lucky, the duo might even get to ride in one.

In Somerset, Henry and Sam visit a man with an amazing collection of motorbikes. He has some rare finds, but are they too expensive for the guys.

Hidden in a shed by a farmhouse, the guys find a rare '60s gem: a 1968 Volvo P1800 coupe. Then the hunt is on for an Aussie classic, a Holden Kingswood.

Andy finds a wire harness to marry his SVO Mustang to a new EcoBoost engine. George cuts an F350 in half to create a single cab short bed diesel pick-up truck.

Mike snaps up a Jaguar S-Type with 195,000 miles. After some repairs, the boys put it up against another model with just a tenth of the miles.

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

Mike gambles on a Ford P100 imported from South Africa to Scotland. But it's hit with a series of problems - and will it cope with the UK's weather and roads.

Richard explores elements that engineering projects have in common. And, he reveals how the challenges get bigger when something is built big.

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 Sam are in Suffolk, checking out a collection of vintage bikes. Henry has his eye on petrol pumps, but Sam has other ideas after seeing the sidecars.

In Lowestoft, Henry and Sam can't believe their luck when they check out Charlie's wares. He has everything from cars and bikes to stationary engines.

Mike finds an Alfa Romeo GTV with some fails, but he reckons Elvis can sort it. Can he get it ready for an Italian road trip to re-create the GTV Cup.

An aerospace engineer has £20,000 to spend on a noisy and fast car. Paul and Helen will need to be creative to find an affordable big Coupe with rear seats.

Grant asks Helen and Paul to find him a prestige car that costs no more than £360 a month. He wants a sporty design, a large boot and a powerful engine.

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