Discovery Turbo Saturday

The racers set up a fresh batch of grudge matches. Everyone's on edge when there's a nasty crash in a race between teams Texas and California

Part one of two. Teams Utah and Iowa face off in the final match-up of the Wildcard Round. Utah lack inexperience - but will they prove they're a force to be reckoned with?

Part two of two. The contest between Utah and Iowa continues. The teams are tied up as they head into the second round of their Wildcard match-up

After the final Wildcard match-up, racers hit the streets for some grudge racing. The Detroit racers prep for a matchup against the north east

The crew members visit the birthplace of the Porsche 918 Spyder, and explore its exterior

The crew explores how the Aston Martin Vanquish was made

Chad takes on his biggest build yet - an elegant 1930s speedster to debut at a charity golf tournament. He builds his creation from scratch with a 1935 Hupmobile

Design teams analyse extraordinary building mistakes from around the world, exploring what went wrong and how engineers are fixing them

Design teams analyse extraordinary building mistakes from around the world, exploring what went wrong and how engineers are fixing them

Design teams analyse extraordinary building mistakes from around the world, exploring what went wrong and how engineers are fixing them

In Oklahoma, cars and trucks are sent plummeting into the Arkansas River after part of the I-40 bridge collapses. What caused this shocking catastrophe?

Design teams analyse extraordinary building mistakes from around the world, exploring what went wrong and how engineers are fixing them

Dave and the crew face their biggest task of the year getting the warped metal on a 1955 Nomad back into shape

Dave Kindig and his team return to develop more one-of-a-kind vehicles for demanding clients. They begin by giving a 1957 Ford Fairline a much-needed facelift

The 1957 Fairlane build reaches a conclusion as the car is body-worked, painted, assembled and upholstered, and the arrival of the new year bring a new office for the shop foreman

An insight into the work of the elite engineers responsible for constructing a new breed of marine vessel, in some of the world's most expansive shipyards

The workers face one of the heaviest lifts any of them have ever attempted, as they hoist a giant, 3,000-tonne leg into position, with the help of the yard's floating crane

A profile of the Tangier, which has been welded together from 129 giant steel blocks. As the challenges increase for the tanker team, the rig team also feels the pressure

Broadcaster Andy Jaye picks a true British supercar - the Jaguar XJ220. It was the fastest road car in the world when launched and a controversial winner at Le Mans

Drew surprises everyone when he picks a 520bhp Hot Rod called Nasty Habit. Can he make Andy and Marino fall in love with this left field choice?

Classic car expert Paul Cowland and builder-restorer Helen Stanley are tasked to find an automatic car with a panoramic sunroof

Mark drives a Fiat 500X, but wants a more thrilling car for his long commutes. He is willing to spend up to £40,000 on a high-performance motor

The racers set up a fresh batch of grudge matches. Everyone's on edge when there's a nasty crash in a race between teams Texas and California

Part one of two. Teams Utah and Iowa face off in the final match-up of the Wildcard Round. Utah lack inexperience - but will they prove they're a force to be reckoned with?

Part two of two. The contest between Utah and Iowa continues. The teams are tied up as they head into the second round of their Wildcard match-up

After the final Wildcard match-up, racers hit the streets for some grudge racing. The Detroit racers prep for a matchup against the north east

Buying goods from home

Buying goods from home

Part one of two. The Teutuls design a custom motorbike for an outdoor lifestyle company, and are inspired to test their survival skills in the great outdoors