Discovery HD

The Yeti, a machine with 588 sharp teeth, helps keep the coldest airport in America running. Plus, mighty tugboats chew through ice chunks in Alaska.

Ed Stafford takes his wife and their two-year-old son on an epic adventure. They'll be living off the grid on an Indonesian island for a month in search of a healthier family life.

A former member of the Amish and an Australian fitness coach head into the harsh Colombian jungle. Will they survive the entire 21 days.

Billy rallies the family toward the monumental next stage of North Star Ranch including the discovery of gold mines on the land.

After the wildfire sweeps through the mountain, the Wolfpack returns to their homestead to assess the damage the fire has left in its wake.

How do they grow America's only freshwater pearls in Tennessee? Plus, what secrets are behind how the world's sharpest knives are made.

How do they turn root vegetables into sweet sugar? How do they make feather dusters? And, how do they make billions of balloons to keep parties popping.

Ever wondered how everyday items such as light bars, wood model aircraft and metal snare drums are made? More common items are put under the microscope to find out.

Ever wondered how kitchen accessories, papier-mâché animals and hydraulic cylinders are made? More common items are put under the microscope to find out.

Disaster strikes as floods plague the region, and the Browns must balance the fate of their new community with the success of their homestead.

Noah invents an ingenious device to rid their homesite of moles. Billy gives daughter Rain major responsibility as barn construction goes full bore at the ranch.

Jimmy brings a turbo-charged Porsche 944 into the workshop. The team shred the kilos to have it racetrack ready. And a lucrative commission comes in.

Jimmy brings in a classic '65 racing Ford Mustang. Ant blew its engine and the owner wasn't happy - now, they have to work together to turn it into a track-busting beauty.

Mike hunts the first ever Bond car, a 1963 Sunbeam Alpine. He finds a rust-free race-ready motor and Edd must deal with some surprises in the engine bay.

Mike goes looking for a Humvee. He and Edd create a four-wheel drive camping vehicle that can take you to places no camper has been before.

A pair of homesteaders and their livestock are mired in muddy clay in the East Georgia woods. The Raneys must fix it before the next big rains.

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.

Lights Out! A below-deck brawl puts Sophia's captaincy to the test. A hydro leak threatens Wild Bill's entire King Crab season. Keith goes dark in 20-foot seas.

Mike and Ant look back on their American adventure. Before they return home to the UK, they pack up the workshop and sort through the work of half a decade.

When Andy bags a 1994 Bronco at auction, he sees potential redneck gold. Just as Andy's monster truck kicks into gear, his dad Bobby throws a wrench in the gears.

Todd's team must innovate a bush transmission fix to get the gold moving. Chasing better paydirt, Hunter takes a big swing with a new cut.

Mark has to offload 2,800 tonnes of timber before the weather turns. And, Chris transports a 57-metre-long bridge section.

Alaska's Coast Guard fights risky waters to maintain buoys standing three stories tall. Plus, an army of Alaskans build a steel ferry - several tons at a time.

After finding a hidden cave below a lake, Chad trains in Florida to dive into the cavern. A maze of flooded tunnels leads him to a shocking discovery.

The Waya Woman Of Jackson County. The AIMS team hunts down a monstrous wolf-like creature that is lurking in the cornfields of Jackson County, West Virginia.

Mark has to offload 2,800 tonnes of timber before the weather turns. And, Chris transports a 57-metre-long bridge section.

Alaska's Coast Guard fights risky waters to maintain buoys standing three stories tall. Plus, an army of Alaskans build a steel ferry - several tons at a time.

A 2001 Hummer H1 needs some serious reinforcements. Bill changes things up on his completely custom, all-tube buggy by borrowing technology from monster trucks.

Two outlaw shiners compete to make top-notch moonshine from raw honey, one of the trickiest and most expensive ingredients ever attempted by backwoods shiners.

Ever wondered how everyday items such as clay liquor jugs, poultry deli meats and NASCAR engines are made? More common items are put under the microscope to find out.

Ever wondered how everyday items such as nail clippers, poster restoration and canola oil are made? More common items are put under the microscope to find out.

Ami prepares for a critical medical check-up, but Billy has concerns about progress on the homestead while they're away. A rogue bear destroys Bam's new beehives.

Barn construction is all hands on deck, but someone isn't pulling their weight. The family confronts Bam when he pays more attention to his own projects.

Helen brings in a knackered Volvo 245 estate to the workshop. She convinces Jimmy and Ant that this car has plenty of potential, they just need to get to Sweden for an engine.

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.

Mike discovers a 1985 Maserati Bi-Turbo that was converted to electric in the early 90s. Can they work on their first ever electric project and still profit.

Edd surprises Mike back in England by purchasing a 1916 Cadillac. The guys work hard to get the car ready for a 9000-mile endurance rally known as Peking to Paris.

In Tennessee's Smoky Mountains a family's homestead is failing because they choose to live on the useless side of their land attached to power.

Tensions escalate when two crewmembers get into a fight on Kevin's claim. Parker prays that the Bridge Cut paydirt will turn his fortunes.

Rick runs the last of Rally Valley's pay dirt. Tony's son Mike battles an old water pump. Parker's crew races to rescue a rock truck in danger.

When Sig discovers Jake stole his fishing data, he deals his protégé a lesson he won't soon forget. Rick faces a deckhand rattled by incessant waves.

Mike and Elvis try to trade their way to a dream Audi Q7 for engineer Aaron. He's recently become a father and would love to drive to visit family in Hungary.

Andy is thrilled to find a classic Chevy Blazer on the roadside and win a totalled Porsche Cayman on a bid. But the honeymoon's over when the hard work starts.

When a grizzly stalks the mine, Jack springs into action. When a government inspection threatens to shut the mine, Hunter makes a sacrifice.

Parker taps into a fresh pay layer. Rick departs for urgent business, and his crew struggles. Tony makes a surprise purchase for the Hester Cut.

The Man In The Gold Room. Chris Doumitt talks about his journey from carpenter to becoming a member of the Hoffman crew and reveals what it's like to work for Parker.

Duane Ollinger believes there's a fortune of gold buried beneath his property in Utah. He's not going to stop until he finds the treasure, no matter the cost.