Discovery HD

Andy calls in help to get his 1932 Roadster up and running. Another project faces problems - combining parts from two Chevy trucks into a single 'FrankenTruck.

Rick risks flooding Rally Valley to haul in big gold nuggets. Plus, Kevin's biggest machine goes down while another lights on fire.

Cousin. Sparks fly when Tony leaves his son with Cousin Mike. Desperate to get the gold flowing, Parker digs a mega ditch to fire up again on Dominion Creek.

When the frame on Heavy D's 'quick flip' is unsalvageable, he turns it into the ultimate mud truck, and Chavis takes his custom race truck to a competition.

The Dieselsellerz crew race to finish their monster mud truck, and The Muscle rushes to get a buyer for the Denali he bought without Heavy D's permission.

Battered by the ice pack, Sig changes tactics deploying an experimental bait from Norway. On the Time Bandit, frustration boils over as Freddy tests Johnathan.

With intense currents holding back the Arctic ice pack, Keith struggles to retrieve his catch. Jake and Sean face losing everything when ice swallows their gear.

How do they make cheddar, the world's most popular cheese? How do they breathe life into Rususci Anne - the plastic woman that teaches CPR.

How do Ford produce the ubiquitous white van, the Transit? Plus, how do they ensure the Driza-bone coat lives up to its name.

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.

Broken Bridges. Marty responds to a new, desperate plea from the Bower Family in eastern Vermont: a 100-year flood has wiped out their property access route.

It's the 50th anniversary of one of British motoring's forgotten heroes, the Triumph Dolomite Sprint. So, of course, Mike and Elvis have to get one.

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.

Fires threaten to shut down one of Parker's claims. Rick decides if he'll move back to Vegas Valley. Tony loses big money fighting a wash plant issue.

Rick Ness took a job working on 16-year-old Parker Schnabel's gold mine. The team brings in millions in gold, but a falling out changes everything.

Lost Tomb Of The Viking King. Josh chases the treasure of legendary Viking Harald 'Bluetooth' Gormsson. The discovery of a mysterious gold artifact sends Josh through Scandinavia.