Discovery Turbo

The Monkeys have one of their biggest challenges yet. They want to convert a '72 Buick Riviera into a SEMA super-build and the team meets Richard's stepson.

Mad Scientist Sam's wild creation, The Kraken, comes to life but Heavy D continues to be sceptical.

Anthony Big Worm Smith and Artis Houston face off in a classic Southern California grudge race.

David Newbern and Mike Cotten use their knowledge and resources to transform cars and make them better, faster and stronger on a budget.

Two insanely powerful drag-racing motorcycles swap their drag slicks for mud tires.

Two of America's top modified pulling tractors compete in the ultimate, heavy-duty drag race. Randy Davis races against Keith Wayson in their giant, modified 6,000 horsepower beasts.

A classic Fiat 124 Spider race car offers the boys the chance to be able to fulfil their heritage racing dreams. However, it's a tight fit and Drew despises its green colour scheme.

Mike hunts down the cheapest Audi TT Quattro he can find - which is at the end of a 300-mile journey down to Cornwall. Edd needs to fix the gearbox and make a profit for them.

Fred and Dave head to Idaho, with a huge task on their hands. They are attempting to modify a high-mileage regular cab Chevy into a supercharged truck on skis with a lot of horsepower.

In an epic 4x4 rescue mission, Fred and Dave head to Oregon to get hold of a junkyard truck to take out on the dunes. They are hoping to give the sad looking truck a new lease of life.

The West Coast Customs team make their way to the SEMA show, the number one automotive specialty products trade event in Las Vegas.

David Newbern and Mike Cotten use their knowledge and resources to transform cars and make them better, faster and stronger on a budget.

Hard-hitting demolition derby drivers overcome numerous obstacles to compete in one of Utah's highest-paying events.

A rare, half-built Land Rover Series-2a gives Drew the opportunity to be able to create his dream Safari 'Landie'. With some of the accessories no longer available, the artisans step in.

Mike wants to splash the cash on a custom bus but Edd favours a more conservative campervan. Edd is an air-cooled expert, so this strategy may pay dividends.

In rural Canning, Nova Scotia, Chad Hiltz runs a modest auto body shop with a legendary reputation.

Designer Christian Audigier asks the 'Street Customs' crew to transform his military-style Hummer into a unique convertible in just 30 days.

David Newbern and Mike Cotten use their knowledge and resources to transform cars and make them better, faster and stronger on a budget.

The Sweat brothers clash in demolition derby action and a driver rolls his car, sending another participant off the field in an ambulance.

A super-rare Renault 5 Gordini provides an opportunity to be able to create the best hot hatch on the market. The specialist Renault craftsmen attempt a factory perfect restoration.

Mike is on the lookout for a two-seat roadster with attitude in the form of the original BMW Z1. This zippy sports car could make a tidy profit when Edd gets stuck in.