Discovery HD

How do they make giant floating power stations that provide power around the world? Plus, how do they fabricate the world's smallest aircraft.

How do they create coloured crayons used by children and artists around the world? Plus, how do artisans and craftsmen create treasured mirrors in India.

A novice builder attempts to construct a cabin in Vermont's White River Valley. The harsh winter and his lack of experience make this a challenging build.

A couple build a sustainable straw bale panel house in the Hudson Valley - the first of this type in America. They need to finish it before winter hits.

A road warrior from Alaska arrives to add some improvements to an already solid build. To enhance performance, a new exhaust and tips are custom fabricated.

A simple yet classy Pontiac Tempest arrives for a ground-up build. But after the car is completely stripped, things get complicated.

A Peugeot 205 T16 inspires Mike to upgrade its under-powered UK counterpart for a track race. Can Mike's 205 Rallye compete with a Eurospec Peugeot.

Mike thinks there's money to be made on a soft-top Saab 900, but it's got a dodgy clutch and woolly steering. Can Elvis get it back to its best.

The Raneys enter the shadow of Mount Denali. Marty, Misty and Matt address food, water, and shelter concerns so that both homesteads may survive winter.

Tony resurrects an old machine. Meanwhile, one of Parker's member melts down and McCaughans set their trommel on fire to stay on the gold.

Parker closes in on his season goal, but an emergency leaves a novice crew in charge and threatens his momentum. Minnie forces Tony to consult a mining expert.

An Arctic storm blasts the fleet as Sig ventures to waters he hasn't fished in 17 years. The Time Bandit steers into 30-foot waves in a risky run toward Russia.

Mike finds a 1992 Corrado G60 smothered in aftermarket mods. Parts are rare and superchargers can be costly, but Elvis determines to get this risky project done.

Salvage expert Drew is in Wirral visiting a stately home that doubles as an antique shop. Plus, he gambles on an architectural salvage site in Epsom.

The shop preps for the 2022 SEMA show in Las Vegas. Dave and Kev attend the first concours d'elegance, and their knowledge of cars is pushed to its limits.

Claudia and Robin Bunce own a large jade mining chain and tourist shop in remote Jade City, Canada. If they strike it rich, everyone wins - if they fail, whole town suffers.

Winter is coming early this year and the crew hurry to pack up camp and transport out their precious load of jade before the snow arrives.

Feeling the squeeze of winter's grip tightening around them, desperation pushes the miners a step too far in their search for millions in gold.

Spanning Europe and Africa, Josh's chase for Alexander's fortune ramps up. Clues mount in Egypt, but the conqueror's remains may lie in Venice, Italy.

Farmtruck and AZN invite all the 405 racers out to Willow Springs for a competition. The racers must pair up and the fastest combined times will take home $10,000.

Claudia and Robin Bunce own a large jade mining chain and tourist shop in remote Jade City, Canada. If they strike it rich, everyone wins - if they fail, whole town suffers.

Winter is coming early this year and the crew hurry to pack up camp and transport out their precious load of jade before the snow arrives.

Feeling the squeeze of winter's grip tightening around them, desperation pushes the miners a step too far in their search for millions in gold.

Supercharged '66 Nova. A long-time customer has his eye set on Joe's personal 1967 Nova. Joe counters by offering to build him a 1966 Nova with big power and big wheels.

As Mark and Digger undertake their large-scale bootleg to Nashville, the law makes an unwelcome return. Plus, Mexican moonshiners make Tim liquor with meat.

How do they power the next generation of race cars that run on electricity? Plus, how do they make mead - the favourite drink of the infamous Vikings.

How do they build the steam-powered paddleboats that cruise the Mississippi River? And, how did they create the defence system called 'the waterwall'.

A builder is constructing a modular home high on a cliff off the coast of Vancouver. Even a small mistake could result in the home tumbling down into the ocean.

An adventurous couple builds a home with self-sustaining features near the Ozark Forest. They both have renovation experience, but the terrain is dangerous.

The Pontiac Tempest build continues as bodywork is completed and Dave has designed a killer new colour. Kevin shows off his powder-coating skills on a custom chassis.

Finally! A 1948 GMC truck that has been stuck in the back of the shop for the last three years has finally been sold. But picking up where Dave left off is a challenge.

Mike buys his newest ever car to create a bespoke Scooby BRZ STI. But hopes of a profit are hit with a hefty bill for the turbo and a new exhaust.

Mike is seduced by a Land Rover Discovery Mk1 with low mileage. But with no MoT, a leaking sunroof and rust problems, Elvis faces a big challenge.

A single mum is unprepared for winter in Interior Alaska. Facing summer wildfires, the Raneys battle still-frozen ground to secure water and food stores.

Parker brings in a brand-new wash plant to push him past 5,000 ounces. Plus, Buzz puts his reputation on the line with a gamble he may come to regret.

Tony goes rogue and buys a new wash plant to get his Indian River operation back up and running. Plus, Parker increases his gold target, pushing Rocksand to the limit.

Josh and Casey follow a blind tip from an unknown fisherman into uncharted waters. Johnathan fears for the worst when Freddy lands in the icy Bering Sea.

To celebrate the series' 20th anniversary, Mike and Elvis set out to restore a Ford Fiesta Mark 1 and stage the show's largest ever car meet.

Drew visits a Victorian folly in Devon where his ghoulish purchases shock his wife. Plus, a world-famous organ builder reveals secrets in Liverpool.

The shop is buzzing with activity, and the latest CF1 presents a new challenge for the guys as Dave makes modifications to the original.

Stuck in nearly two metres of powder, Ed must work out how to survive long enough to make his way off the peak of Changbai Mountain in Northern China.

A team in Dubai attempts to construct a floating house combining the best of land and marine design. The radical build features an 'underwater' bedroom below deck.

An officer's suspicions are alerted by a bag containing three large bottles. And, a random luggage inspection uncovers undeclared syringes.

In Rome, officers strip search a man suspected of smuggling drugs. And, the Civil Guard are alerted to migrants stranded in the Strait of Gibraltar.