Disc.Turbo+1

How do they make wood-burning stoves that bring warmth to the Norwegian winter? Plus, how did they build the synthesiser that changed music forever.

How do they assemble the reinvented Morgan 3 Wheeler? Plus, how do they protect firefighters' hands from heat, flame and chemical attack.

In Michigan's Northern Peninsula, Derek finds a 1964 Ford Galaxie that's sat abandoned for 32 years. He plans to turn it into a rally-tribute car.

A super-rare Renault 5 Gordini gives an opportunity to create the best hot hatch on the market. Specialist Renault craftsmen try for a factory perfect restoration.

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.

Henry and Guy are invited to Yeomans in Worcestershire, which is packed to the rafters with classic British motorbikes, but will the boys be able to get any of them running.

Henry and Fuzz visit an ex-commercial pilot with two hangars' worth of stuff. He's got classic cars and even planes, but will a BSA with missing parts prove a bridge too far.

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

Dave Jensen asks Andy to restore his dad's 1964 Mustang. Plus, Jen wants to sell her Jeep but when Andy decides to fix it up, she throws a wrench in his plans.

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.

The guys visit an island in search of treasure, and strike gold - a 1955 Bel Air. Carlos secures a high-end buyer who could make or break his business.

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.

The Cogs take centre stage at Britain's premiere car show, but the wheels fall off when Richard returns James May's restored Triumph Stag.

Mike goes in search of what many consider to be the last truly great Porsche, and he finds the cheapest 993 in the country. Can the duo get it back to its best.

Henry and Guy go to Wiltshire to see Phil Pearce, where they find sheds full of tractors, classic cars and police bikes. Will Phil drive a hard bargain.

Henry and Fuzz are back in Durham visiting a passionate collector of vintage cars and automobilia, where a Dot three-wheeled motorcycle catches their eye.

Richard wants to take the business to a new level by using social media and his role as Cog brand ambassador, resulting in a trip to the Middle East.

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.

The bike world is about speed, power and image. The fastest, the most expensive, the toughest, and the biggest - take a look at the most outrageous machines and riders in the land.

In California, a dam collapse causes chaos. In Massachusetts, the tallest library starts cracking. In Italy, a vital bridge comes crashing down.

Richard wants to take the business to a new level by using social media and his role as Cog brand ambassador, resulting in a trip to the Middle East.

Dave Jensen asks Andy to restore his dad's 1964 Mustang. Plus, Jen wants to sell her Jeep but when Andy decides to fix it up, she throws a wrench in his plans.

A 1996 International Harvester dump truck is the largest the guys have ever customised. Plus, a client wants a custom air ride for his pristine 1934 Buick.

Mike finds a 2002 Chevy Corvette Z06 that can do zero to sixty in under four seconds. Ant is less than enthused when he sees the scale of the work needed.

How do they make wind turbines with twice the wingspan of a Boeing? Plus, how do they mould car tyres from the ooze of a tree.

How do they make the tank piercing super bullet? Plus, how do they forge the infamous torture weapon, the dentist's drill.

Dave Chappelle helps Derek to revitalise a 1972 Jeep J2000 that's sat among a field of neglected Jeeps. Can they turn it into an off-road machine.

Drew takes the first type of car he owned and gives it a modern makeover. He thinks this ex-Royal Mail delivery van is a perfect affordable classic.

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.

Henry and Guy go to Wiltshire to see Phil Pearce, where they find sheds full of tractors, classic cars and police bikes. Will Phil drive a hard bargain.

Henry and Fuzz are back in Durham visiting a passionate collector of vintage cars and automobilia, where a Dot three-wheeled motorcycle catches their eye.

Richard opens a classic car restoration workshop but being the boss of a new business isn't quite what he expected. He ropes in his family to help promote it.

Andy and his dad Bobby restore a couple of classics: A Jeep Wrangler that's an American icon, and a 1986 Monte Carlo once known as 'The Heartbeat of America.

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.

The bike world is about speed, power and image. The fastest, the most expensive, the toughest, and the biggest - take a look at the most outrageous machines and riders in the land.

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.

Richard wants to take the business to a new level by using social media and his role as Cog brand ambassador, resulting in a trip to the Middle East.

Mike finds a Mazda Coupe that appears to have nothing wrong with it and tasks Edd with making a good car even better. But will he rise to the challenge.

Henry and Fuzz are at a farm in Gloucester looking through a collection of tractors. There, they unearth some historic items from the 1910s and '20s, but can they be restored.

Presenter Henry Cole and mechanic Fuzz Townshend hit the road to find, buy and make a profit from the UK's abandoned automotive gems.

The Cog respray an Aston Martin Lagonda a shocking pink for Europe's biggest car collector. Richard's daughter Izzy discovers a passion for racing.

Motorcycle enthusiast Ellie wants to find a car that's fun to drive. Paul and Helen help her pick out a supermini that feels quick and looks good.

Paul has owned over 250 cars and now wants something exotic. With a budget of £35,000, he's looking for a stylish grand tourer with a powerful engine.

The bike world is about speed, power and image. The fastest, the most expensive, the toughest, and the biggest - take a look at the most outrageous machines and riders in the land.

In California, a catastrophe cuts one of America's most vital highways in two. In Texas, a refinery explodes with deadly consequences.

The Cog respray an Aston Martin Lagonda a shocking pink for Europe's biggest car collector. Richard's daughter Izzy discovers a passion for racing.

Andy and his dad Bobby restore a couple of classics: A Jeep Wrangler that's an American icon, and a 1986 Monte Carlo once known as 'The Heartbeat of America.

Bill and the crew lift a 2020 Chevy Silverado 5500 more than a foot with a custom heavy-duty air suspension. And, they radically overhaul the utility bed.

Mike tracks down a rare '91 Alfa Romeo 164L. He loves the look, but Ant has his work cut out for him. The car has perfect bodywork, but it has a leaking engine.

Dave agonizes over the colour choice for the Ridler build. The previous five winners were all yellow, but Dave decides to go in another direction.

The Ridler car's engine and transmission are married for the last time and installed, and the team moves on to the wiring and other systems.

The team fires the Ridler build for the first time, finishes an endless list of details and appointments, and loads the car for the trip to Detroit.

Henry and Sam are in Herefordshire where they find sheds full of engines and autogyros, weird and wonderful vehicles before discovering a British classic.

The team is in Gloucestershire to uncover some oily treasure. They find a picturesque farm where deer, goats and pigs mingle with vintage agricultural equipment.

Henry and Sam are in Suffolk where they find a barn filled with Porsche tractors, Ducati pushbikes and many more rare and surprising vehicles.

Henry and Sam head to Witney where they meet Lez, a model-builder extraordinaire, and come away with an unusual challenge. Can they make a tidy profit for Lez's trike.

Carlos buys a 1970 Mercury Cyclone from a monster truck driver to turn into a cop-themed hot rod for a retiring police chief. Can he do it on a tight budget.

Carlos finds a partially-restored 1969 Camaro in a barn and convinces the owner to give him the job. Can Carlos please his client - and his bank balance.

The guys visit an island in search of treasure, and strike gold - a 1955 Bel Air. Carlos secures a high-end buyer who could make or break his business.

The bike world is about speed, power and image. The fastest, the most expensive, the toughest, and the biggest - take a look at the most outrageous machines and riders in the land.

The bike world is about speed, power and image. The fastest, the most expensive, the toughest, and the biggest - take a look at the most outrageous machines and riders in the land.

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 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.

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.

Henry and Sam are in the Cotswolds, where they discover sheds full of stationary engines, obscure agricultural implements and some surprising collections of memorabilia.

Henry and Sam uncover vintage treasures in West Sussex. They go behind the scenes at one of Britain's most famous bike shops and find two extraordinary hidden gems.

Henry and Sam are in Herefordshire where they find sheds full of engines and autogyros, weird and wonderful vehicles before discovering a British classic.

The team is in Gloucestershire to uncover some oily treasure. They find a picturesque farm where deer, goats and pigs mingle with vintage agricultural equipment.

The Last Race? Richard redesigns his horsebox into an RV for the Cog racing team. The Cog's future is in doubt as Kamla and Richard debate whether racing can continue.