Disc.Turbo

How can steel repair itself? How do they create the world's most powerful bikes? And how is wood transformed into paper.

Find out how they make military helicopters, how they design metro systems and how they engineer artificial reefs.

Paul and Helen hunt down the best bargain coupes for a driver who wants luxury, comfort and space for his golf clubs. They find options to fit his £12,000 budget.

An unlikely petrolhead is looking for a hot hatchback. Paul and Helen need to find exciting and sporty options for one of their pickiest customers.

In Hampshire Drew and Paul uncover a rare 1960s MGC, but clash over how to restyle it. And, in Dorset, they fall for an 80s BMW 635 Coupe left in a barn for 15 years.

At a wind-swept farm on a hill top in Cornwall, Henry and Sam find a collection of cars and tractors and a very rare German scooter.

Hot Rods, Trucks And Miniature Bikes. In East Sussex, Henry and Sam visit a dedicated collector of American vehicles. His collection includes hot rods, trucks and other quirky items.

Richard takes the Cogs go karting to find a driver for the classic racing team. And, The Smallest Cog MBG GT race car gets its debut at the Prescott Hill Climb.

Derek enlists Steve Dulcich to restore a derelict Dodge Coronet. But the guys must replace everything on this car if they hope to make the trip back to Nashville.

Beau Boeckmann and the Galpin Crew resurrect a Pantera hot-rodded by Carroll Shelby for a secret project. A famous client picks up his restored '68 Charger.

A 70s Revival. Ant has found an iconic VW Campervan that's been abandoned mid-restoration. The interior needs a full refit, plus a suspension overhaul.

Drop It Low, Drop It Slow. Guz fits air ride suspension to his Honda S2000, explores slammed car culture, and takes a £750k Porsche for a spin - very carefully.

Morris Minor Traveller & Maserati Ghibli. The boys find a Morris Traveller at the largest private car collection in the UK. And, in Surrey they spot a rare but affordable Maserati.

Michigan. Michiganders compete for $5,000, and a racing wagon surprises everyone. Then, the last local standing goes up against Bobby Ducote for another $5,000.

Mike finds a classic BMW M5 for the bargain price of £4000. But will Edd be able to fix up this unloved car with its groaning suspension and rattling alternators.

In Cornwall, Henry and Sam visit a trials car enthusiast with an eclectic set of sheds. Will they come away with a jeep, a bike or something else.

A Right Royal Profit? Henry and Sam are in Cornwall visiting the Queen's armourer, Terry English, and his amazing collection of vintage cars, bikes and engines. What will they find.

Farmtruck and AZN gather another group of local racers in North Carolina. The last racer standing will get a chance to race against Justin Swanstrom.

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.

Guz transforms his S2000 with new lights and under glow, jumps into a turbo Micra thrill ride, and explores bold builds from across the modding world.

Partygoers are horrified when two overhead walkways collapse at a fancy hotel in Kansas City, Missouri. What engineering mistakes caused this fatal disaster.

Farmtruck and AZN gather another group of local racers in North Carolina. The last racer standing will get a chance to race against Justin Swanstrom.

Richard takes the Cogs go karting to find a driver for the classic racing team. And, The Smallest Cog MBG GT race car gets its debut at the Prescott Hill Climb.

Bel Air Big Block Part 2. Joe and the crew put the finishing touches on the big-block '57 Bel Air. Joe also uses all his tricks to transform an old C10 Chevy hood.

Sold as the world's first sporty luxury car, the Thunderbird sold healthily in its day. Mike is searching for a 57' edition that can make him a profit.

How is rubber made into chewing gum? How are fish hooks strong enough to catch a shark? How are the models built at the world's largest Legoland.

How do they build Formula 1 racing cars? How is the Leatherman, America's best-selling multi-tool made? How do they create classic Finnish Aalto glassware.

A young dad wants to mix practicality and performance with a spacious hatchback. Helen and Paul seek out the best options for his budget.

A business-minded driver is looking for a family-friendly SUV with plenty of style. Helen and Paul hunt down three roomy but compact models for her to test drive.

Morris Minor Traveller & Maserati Ghibli. The boys find a Morris Traveller at the largest private car collection in the UK. And, in Surrey they spot a rare but affordable Maserati.

In Cornwall, Henry and Sam visit a trials car enthusiast with an eclectic set of sheds. Will they come away with a jeep, a bike or something else.

A Right Royal Profit? Henry and Sam are in Cornwall visiting the Queen's armourer, Terry English, and his amazing collection of vintage cars, bikes and engines. What will they find.

Richard faces a gun-toting client, who is anxious for work to start on his vintage Bentley. And, poor planning threatens The Smallest Cog's chance at a car show.

Derek heads to Alabama in search of a Bandit replica. Instead, he finds a Trans Am that's the wrong year, wrong colour, wrong engine, and has been in a wreck.

Dave Shuten gets his chance to become hot rod royalty by competing at the Grand National Roadster Show. And, the Galpin finish a '32 Ford Roaster Pickup.

Double Trouble. Ant buys two Jaguar XJS, hoping one can donate spare parts. But with brake problems and the gearstick floppy, are they just double trouble.

Guz transforms his S2000 with new lights and under glow, jumps into a turbo Micra thrill ride, and explores bold builds from across the modding world.

In rural Devon the boys fall for the Gallic charm of a Renault 4. It's a rare limited-edition model - can Drew and Paul replicate its unique interior fabric.

Farmtruck and AZN gather another group of local racers in North Carolina. The last racer standing will get a chance to race against Justin Swanstrom.

Mike is in France to hunt down the rare Renault Alpine 310. The car he finds is great, but it has some surprises in store, and Edd is charged with getting it fixed.

In the West Country, Henry and Sam find some sheds full of classic bikes and vintage cars. They even find a limousine once owned by Eva Peron.

Henry and Sam visit a fanatical biker in Yorkshire, who has the biggest collection of motorcycles they've seen so far. What bike will they come away with.

Locals race in Alabama for $5,000, and the competition is feisty. The winner goes up against Scott Taylor, who has a surprise in store.

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.

Guz wraps up his S2000 project, but not without a few wallet-draining surprises. He meets Mani's wild Capri and Bryn's racing Mini before the reveal.

In 2021, a container ship blocked the Suez Canal for six days. The incident would have a major impact on the world economy, but what engineering flaws caused it.

Locals race in Alabama for $5,000, and the competition is feisty. The winner goes up against Scott Taylor, who has a surprise in store.

Richard faces a gun-toting client, who is anxious for work to start on his vintage Bentley. And, poor planning threatens The Smallest Cog's chance at a car show.

Joe and his crew tackle a unique request - turn a salvaged red '51 Chevy 3100 pickup into a roadworthy, Christmas-parade spectacle.

The XJC is a two-door version of the XJ6 four-door saloon. The last Jaguar to be designed by Sir William Lyons, this iconic 'corporate sports car' will attract admirers.

How do they make the finest Panama hats? Who rounds up Florida's escaped pythons? How do they keep drivers safe in the world's longest tunnel.

How do they build working miniature airports? How do they design houses to survive hurricanes? How is rhubarb cultivated in the dark.

A client wants a more luxurious and reliable motor than his Peugeot 508. He asks Helen and Paul 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.

In rural Devon the boys fall for the Gallic charm of a Renault 4. It's a rare limited-edition model - can Drew and Paul replicate its unique interior fabric.

In the West Country, Henry and Sam find some sheds full of classic bikes and vintage cars. They even find a limousine once owned by Eva Peron.

Henry and Sam visit a fanatical biker in Yorkshire, who has the biggest collection of motorcycles they've seen so far. What bike will they come away with.

Richard comes up with a cunning plan to create a show car to generate business for the Cog. And, Accountant Kamla gives Richard a harsh reality check.

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.

Beau and the Galpin crew restore one of their most offbeat builds ever. The ride is built from bathtubs and a toilet and they show it at the Hot Rod Show in Japan.

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.

Guz wraps up his S2000 project, but not without a few wallet-draining surprises. He meets Mani's wild Capri and Bryn's racing Mini before the reveal.

Salvage aficionado Drew Pritchard visits Britain's oldest number plate maker. And, Paul and Drew disagree about adding a mega engine onto a tiny Italian classic.

Locals race in Alabama for $5,000, and the competition is feisty. The winner goes up against Scott Taylor, who has a surprise in store.

Mike finds a 914 in a barn, but under the muck he can see a profit in the 70's sports car, so he buys it for a bargain price. Can Edd restore it to a saleable condition.

In the New Forest, Hampshire, Henry and Sam visit a collector of Americana. What rare bicycles and classic sportsters will they find in his sheds.

In the Midlands, Henry and Sam visit the sheds of a bike builder. He has a collection of rare bikes, but it's the surprise in his freezer that attracts the duo.

Locals from across America gather for the finale, where they'll face off for the win. Then, the final racer confronts small tire legend Boosted GT.

Mike buys a stinker of a car at auction. Plus, a BMW M3 turns into a rotten headache and Mike tries to sell The Stig a nice little runaround.

Armed with no knowledge but plenty of passion, comedian Guz Khan begins his mission to modify a Honda S2000 into a dream custom car.

In Pennsylvania, a catastrophic landslide devastates a community and in rural Iowa, a crane falls over with ruinous consequences. What engineering errors caused these incidents.

Locals from across America gather for the finale, where they'll face off for the win. Then, the final racer confronts small tire legend Boosted GT.

Richard comes up with a cunning plan to create a show car to generate business for the Cog. And, Accountant Kamla gives Richard a harsh reality check.

Rad Red Christmas Truck Part 2. Joe and the team put the final touches on the '51 Chevy 3100, transforming it into the Christmas-parade truck it was born to be.

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

Only ninety-nine Gordon Keeble grand tourers were ever built, and now the team have the chance to create the one and only electric version. Can they pull it off.

Lee loves his Porsche 944, but with his advancing age he finds it hard to drive. Moggy converts this manual coupe into an automatic, easy-to-drive electric sportscar.

A client wants Moggy to convert his Volkswagen Split Screen while maintaining its unique charm. Can the team find space for a 450-kilogram battery box.

Work is completed on a $2 million tour bus, and a pro racer flaunts his customised toy hauler. And, actor Tyrese Gibson shows off his unique sprinter.

Rick and Chuck customize a 1937 Dodge Pickup for a grieving father, while Rick's son Michael builds a show car for rocker James Hetfield.

Guz pushes his Honda S2000 to the limit by adding carbon fibre flair and a questionable body kit and meets outrageous car owners for inspiration.

Drop It Low, Drop It Slow. Guz fits air ride suspension to his Honda S2000, explores slammed car culture, and takes a £750k Porsche for a spin - very carefully.

Guz transforms his S2000 with new lights and under glow, jumps into a turbo Micra thrill ride, and explores bold builds from across the modding world.

Guz wraps up his S2000 project, but not without a few wallet-draining surprises. He meets Mani's wild Capri and Bryn's racing Mini before the reveal.

Armed with no knowledge but plenty of passion, comedian Guz Khan begins his mission to modify a Honda S2000 into a dream custom car.

Jimmy decides it's time for the team to crack America. But, in true Goblin fashion, they only have 10 days to strip, supercharge and upgrade the classic VW Campervan.

Jimmy brings a banged up Vauxhall Viva back to the workshop. He reckons this unpopular 1970s family car can be transformed into something stylish.

The team take on their first ever EV build as they attempt to mount a Tesla battery powered electric powerplant inside a classic: the 'Cinquecento,' or Fiat 500.

Henry and Fuzz find a rare custom IRIS Sporting Trials Car. It's irresistible for the boys who get to work returning it to its former glory.

The duo explore Shane's epic collection, where a stylish Lanchester LD10 catches their eye - a perfect fit for their love of post-war British cars.

Richard is under pressure when he competes at an NEC show to bring in clients. Plus, Anthony's unusual repair job has him sourcing spare parts from Sri Lanka.

Neil promises to help a friend with his Morris 8, but it's a financial hit for Cog. Plus, Richard admits to Kamla that work on the MGB will cost more than expected.

Richard takes the Cogs go karting to find a driver for the classic racing team. And, The Smallest Cog MBG GT race car gets its debut at the Prescott Hill Climb.

Only ninety-nine Gordon Keeble grand tourers were ever built, and now the team have the chance to create the one and only electric version. Can they pull it off.

Lee loves his Porsche 944, but with his advancing age he finds it hard to drive. Moggy converts this manual coupe into an automatic, easy-to-drive electric sportscar.

A client wants Moggy to convert his Volkswagen Split Screen while maintaining its unique charm. Can the team find space for a 450-kilogram battery box.

In Mount Vernon, a mysterious clog backs up a downtown neighbourhood's sewer line. In Cleveland, the debris from a severe storm backs up a critical grit chamber.

In Mount Vernon, an abandoned sewer line is overwhelmed by stagnant human waste. And in New London, a large clog could take down a city building.

In Brooklyn, Dirty Water Don repairs outflow gates at a treatment plant. In Massachusetts, Rick tackles a grease trap at a meat cutting facility.

Winnebago Industries build a luxurious RV, and there's a look at historic NASA Astrovans. Music legend Willie Nelson shows off his tour bus.

A visit to an historic car auction in Paris has Rick's mind racing. The guys swing for the fences customizing a 1937 Zephyr for a demanding millionaire.

Pennsylvania locals go all-out for $5,000. Whoever goes all the way will be racing against Axman, who is known for never backing down.

Michigan. Michiganders compete for $5,000, and a racing wagon surprises everyone. Then, the last local standing goes up against Bobby Ducote for another $5,000.

Farmtruck and AZN gather another group of local racers in North Carolina. The last racer standing will get a chance to race against Justin Swanstrom.

Locals race in Alabama for $5,000, and the competition is feisty. The winner goes up against Scott Taylor, who has a surprise in store.

Locals from across America gather for the finale, where they'll face off for the win. Then, the final racer confronts small tire legend Boosted GT.

Henry and Fuzz find a rare custom IRIS Sporting Trials Car. It's irresistible for the boys who get to work returning it to its former glory.

The duo explore Shane's epic collection, where a stylish Lanchester LD10 catches their eye - a perfect fit for their love of post-war British cars.

Mike and Elvis take on a Porsche 911 in rough shape: it turns up in pieces on a trailer. If they can revive it, they'll take it on an epic drive through the Cairngorms.

Mike and Elvis have one of their toughest challenges yet: can they make an Audi RS6 estate car faster than a sportscar? Elvis has doubts after a hazardous test drive.

Mike and Elvis are determined to celebrate a dying breed, the iconic V8 engine. They've chosen a classic sports car to do it, the Mercedes SL55.

Mike brings back a modern classic, a rare 2001 Audi S4 Avant. Can Ant fix a mysterious engine leak, systemic problems in the cabin and an ugly dent in the rear.

Mike and Ant take a chance on a 2006 Porsche Cayenne Turbo S. This performance SUV has a lot of horsepower - but potentially daunting repair bills.