Discovery HD

After exploring the Keyhole Chamber, the team uncovers evidence of another Aztec treasure chamber below Blind Frog Ranch called the Golden Staircase.

Guests report attacks by an aggressive spirit at a hotel. And, is a shapeshifting menace responsible for thousands of abductions in the Alaska Triangle.

As seawater floods in, Wild Bill's crew rushes to find a hole in the Summer Bay's hull. Johnathan faces a fire on the Time Bandit and the Saga has a hydraulic failure.

Who Done It? Josh investigates three baffling mysteries: Meriwether Lewis' death, Dag Hammarskjöld's plane crash and Judge Crater's disappearance.

After exploring the Keyhole Chamber, the team uncovers evidence of another Aztec treasure chamber below Blind Frog Ranch called the Golden Staircase.

Just as the fleet seems set to home in on the gold, equipment problems cause setbacks, costing each crew precious time under the water.

Mark, Digger and Tim judge as a female distiller challenges an outlaw shiner and a pro distiller from Hawaii to make the best nut liquor.

What is the secret of the lion dance, how are tunnels built, and what is a super sopper? Find out as more items are put under the microscope.

How do they make pistachios, what is the Forbidden City, and how do they produce radars? Find out as more items are put under the microscope.

How do they build wrecker trucks, how do they produce Roquefort, and how are trees transported? Find out as more items are examined.

How do they produce marble, how do they make mahjong pieces, and how do they build escape slides? Find out as more items are put under the microscope.

A look at how products are manufactured around the world. Featuring Kamaz trucks, products for hair and the Canton Tower.

A look at how products are manufactured. Featuring ball-bearings, what goes into cartoonist's ink and discover how false eyes are made.

Dr. Jeff performs a risky new surgery to save a puppy's leg. Will it be good enough to make this dog walk again? Plus, an abandoned cat's x-ray tells a shocking story.

When a puppy is found abandoned with a broken leg, Dr. Jeff is his only hope to walk again. Plus, the team cares for a Boston Terrier who shows signs of a serious illness.

The Heart Of A Pit Bull. A young man's pet goat is injured in a freak accident. Can Dr. Jeff help? Plus, Gus, a dog, has swallowed a mysterious object and has been unwell since.

Noah must complete a tricky barter to secure an ideal Alaskan home. Back on Mosman Island, the emotion of the Alaskan trip takes its toll on Rain.

The Wolfpack moves to fulfil Rain's goal of mining gold on the mountain. But other big projects like Gabe's cabin build must compete for priority.

Bird and Noah race to overcome big obstacles to get their gold mining setup operational. Bam and Mother Ami set up their first longhorn calf sale.

The Wolfpack struggles to bring their 50-year-old mining equipment back to life. Rain makes an emotional return to resume her role as Brown mine boss.

It's fall in the Arctic National Wildlife Refuge and that means the caribou are migrating. Plus, a bear ransacks a cabin, creating a food shortage.

Surviving 400 miles from civilization boils down to one thing, finding food. Heimo pursues the animal that can feed him and Edna for months, a moose.

In the winter premiere, Sophia joins Sig at the Russian line. When a crab boat goes down, the Wizard is the only vessel close enough to reach it.

Rich brings traditional ceramics into the 21st century, using cutting edge 3D printing technology to help create a stunning dinner set for heroic farmer Bill.

A Family Cabin Fit For A King. A huge storm threatens to derail Chase and the team's progress on one of their biggest projects to date, forcing them to work into the harsh winter.

The survivalists' primitive bows are tested. Underdogs dominate the challenge, rocking the competition. Another legend is sent to elimination.

Who Done It? Josh investigates three baffling mysteries: Meriwether Lewis' death, Dag Hammarskjöld's plane crash and Judge Crater's disappearance.