Discovery Channel HD

'S9/E9 - Barnwood 4 H Camp'. The crew visits the oldest 4H Camp in the country and teaches a team of teenagers how to build a log cabin. Mark and Sherman complete as archery coaches.

'S9/E10 - Two Businesses'. Sherman and the crew start work on a log cabin kitchen near Alexandria. Then, Mark gets creative as he carves a 10,000-year-old mammoth tusk.

'S2/E2 - Poisoned'. Soil poisoned by coal production hampers a Kentucky homestead. The Raneys must build a hillside garden on the only unpolluted land and find a source of clean water.

'S2/E3 - Flood, Sweat, And Tears - Part 1'. A dangerous request from the Smith family in a Missouri flood zone forces the Raneys to build a dam and plan an entire cabin move.

'S1/E37 - Guilty As A Dog'. Do dogs feel guilt when they do something wrong? Why don't long-distance flyers get lost? Plus, why are tigers orange? Experts answer these questions and more!

'S3/E9 - Snow Monkey Social'. A new bison calf struggles to keep up with his mum. And, keepers at the Central Park Zoo hope the female snow monkeys accept a new male.

'S3/E10 - Baby Bunnies, Big World'. An endangered Chinese alligator shows signs of being pregnant. And, staff prepare to release rare New England cottontail rabbits into the wild.

'S3/E11 - Giraffe In The City'. A sweet giraffe named Mashengo journeys to his new home in the Bronx. Keepers hand-raise endangered ducklings and release them at Central Park Children's Zoo.

'S13/E13 - Cookware/Ferrari Engines '. How are energy efficient water heaters, professional cookware and Ferrari engines made? Find out as more items go under the microscope.

'S24/E1 - CNC Assembly Machines, Lemon Tarts'. Find out how CNC assembly machines, lemon tarts, and miniature war figures are made.

'S24/E2 - Chemical Tank Pressure Vents, Candy Wafers'. Find out how chemical tank pressure vents, candy wafers, food trucks and traditional ropes are made.

'S24/E3 - Graphene, The World's Smallest Car, Force Testers'. Find out how graphene, the world's smallest car, force testers, and composite cars are made.

'S22/E9 - Nine Souls On Board'. 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.

'S8/E8 - The Creature Below'. The Bushmen are greeted by a fierce creature in their underground mine. The Opal Lovers enlist the help of some friendly backpackers.

'Gold Rush: Mine Rescue With Freddy & Juan. S5/E4 - Bedrock Bottom'. Combined with the Bond family's critical BC gold hunt, Juan makes his largest-ever hopper build to get one of the biggest gold recovery increases yet.

'S13/E15 - Make Or Break - Part 1'. The weather is turning, so it's 'make or break' time for many miners in the fleet. Vern finds a lucky nugget, while Shawn battles freezing ground.

'S7/E2 - The Floating Gold City'. Parker Schnabel heads deep into the jungles of Guyana, South America, to chase a 21st-century gold rush. There he learns ingenious local techniques.

'S7/E3 - Bull's Blood'. Parker prospects in Serra Pelada, the site of Brazil's biggest gold rush. It's produced five billion dollars' worth of gold and is rumoured to hold trillions more.

'S7/E4 - Motherlode M.I.A.'. Parker decodes the mystery of where a billion-dollar motherlode went. Some say it was mined out, while others believe it's still buried underground.

'S8/E13 - Gassed Up'. The Bushmen accidentally unleash a potentially fatal threat to the team. Matt and Cozza reach out to Dale Groben to help lift the team's spirits.

'S8/E14 - Double Or Nothin''. The Cheals are finally getting their second agitator up and running. The Blacklighters find impressive shell fossils in their open cut mine.

'S3/E5 - Wildlife Hospital Warriors'. Terri and Bindi join the team at The Australia Zoo Wildlife Hospital as they treat an incredible range of animals. And, a koala undergoes surgery.

'S1/E2 - Blood In The Water'. A taxidermist is elk hunting in the Rocky Mountains when a grizzly bear charges. Plus, a spearfisher is diving 180-ft below the surface when a bull shark attacks.

'S1/E8 - High Stakes'. A routine traffic stop turns violent as the suspect makes a risky getaway. And, a knife-wielding man draws police into a dangerous foot chase.

'S3/E1 - All-Stars: Hunted Humans'. 13 all-star survivalists try to survive for 40 days in Africa's Selati Basin. When one group scavenges meat, hungry predators stalk their camp.