Discovery Channel HD

Six experts deploy CIA-developed link analysis software, special ops intelligence training and extensive research to find out if aliens have made contact with Earth.

One camp enters the lion's den to hunt for big game. The other team bands together for a group hunt and ends up finding a dangerous, unexpected food source.

A devastating injury and a vicious storm that destroys the survivalists' food supply threatens to tear apart the newly-merged camp.

Find out how matches, carousel horses, fine porcelain, and car fuel tanks are made, as more everyday items are put under the microscope.

An all-hands prospecting effort leads Dave and the team to what they hope is rich ground. With just 48 hours to mine it, men and machines are pushed to the limit.

When the pandemic puts Dave's Alaskan mining dream on hold, he mobilizes his team to prospect abandoned claims in Arizona, Montana and Colorado.

Pete finds the perfect treehouse spot for a couple seeking a meditation space. 20-feet up, in a twisting pair of maples, the team creates an energy-infused retreat.

Pete is whipping up a stainless steel kitchen in the trees for a family of candy makers. This sweet treehouse has barrel ceilings and a loft bedroom.

Find out how balloons, wallpaper, frozen chips and incandescent light bulbs are made, as more everyday items are put under the microscope.

Find out how matches, carousel horses, fine porcelain, and car fuel tanks are made, as more everyday items are put under the microscope.

Mike's gone all nostalgic, buying a 58-year-old Dormobile campervan. But Elvis has a huge amount of work to do on it including a brand-new engine fit.

Mike finds a rare Land Rover Series 1 that may not be all it seems. What starts as a simple cosmetic touch-up becomes a complicated and expensive restoration.

Mike nabs a Porsche 997 at a bargain price of just £15,000. The catch? It's carrying an engine with a serious case of bore score. Can Elvis get it firing again?

Mike and Elvis attempt to resuscitate the 'daddy' of British executive saloons: a 1974 Jaguar XJ6. But it's a risky buy: it hasn't been on the road since 1990!

Find out how glass cookware, bars of soap, steel drums and fire fighter's uniforms are produced, as more everyday items are put under the microscope.

Find out how crayons, wooden kayaks, lawnmowers and gold chains are made, as more everyday items are put under the microscope.

How do koalas keep cool in the Australian sun? How do elephants communicate when they are miles apart? Experts answer these questions!

What are cats trying to communicate to humans? Why have some of the world's cleverest monkeys turned to a life of crime? Experts answer these questions and more!

A shark conservationist and a scientist go on an expedition through Tahiti's remote islands to investigate local legends about massive tiger sharks.

Tiffany Haddish's fantasy was to uncover the secrets of shark sex sailing on fancy yachts, pampered by a handsome merman. But she's in for a sharky surprise!

Pete builds an all-star speakeasy for basketball legend Shaquille O'Neal. He creates a decagonal structure with soaring ceilings and extra-wide stairs.

The dealers compete to find a baker's table for a family kitchen. Plus, they search for Victorian industrial salvage for a restaurant owner.

Sig gets blown off course in extreme seas. Jake faces the loss of his longtime engineer. Monte takes the wheel of the Wizard when Keith collapses.

Find out how glass cookware, bars of soap, steel drums and fire fighter's uniforms are produced, as more everyday items are put under the microscope.

Find out how crayons, wooden kayaks, lawnmowers and gold chains are made, as more everyday items are put under the microscope.

Parker risks destroying Big Red to finally find Mud Mountain's big gold. Rick is forced to slow down his operation when massive rocks threaten to destroy Monster Red.

Parker's crew builds a large pad to get through a cut in record time. Fred forms an unexpected partnership to double his gold and Tony revives his Indian River plans.

At Rich Hill Mine in Arizona, Casey and Dave learn about a revolutionary way of mining. And, Dave finds out about a game-changing gold capturing process.

Dave and the crew reflect on the season. With unseen footage, Team Turin reveals the secret code to their teamwork and success in finding million-dollar gold.

At Madrid Airport, a couple's huge amount of luggage raises suspicion. The border police try to catch a criminal gang crossing the Gibraltarian frontier.

At Madrid Airport, a bag with a strange smell is searched by a member of the Civil Guard. And, a family's car raises suspicions at the Tarifa border.

In Barcelona, a routine baggage inspection uncovers an illegal substance hidden in cereal packets. A man tries to conceal tobacco under a few bags of pasta.

The maritime unit of the Civil Guard chase after boats suspected of smuggling drugs. And, security officers hunt for trespassers at Barcelona Airport.

Everyone is on edge for the last race of the season, and huge issues because of tropical storm Nestor might create a terrible season end for the Dirty 7.

Big money shows up on the streets of Sin City, the King of Vegas challenges MSO's Queen and Armani is ready to test her new skills.

The team identifies a pattern of non-terrestrial sounds and odd sightings centred around an earthquake. Could some earthquakes be related to UFO activity?

Investigating Argentina's most credible military encounter, Paul and Kawa track down an eyewitness and the unexpected presence of NASA. What will they uncover?

Two survivalists scavenge a nearby leopard's kill to get food. Matt Wright joins the other survivalists and causes a confrontation.

The survivalists embark on several dangerous hunts to secure protein and prepare for their arduous extraction on the horizon.

Find out how crayons, wooden kayaks, lawnmowers and gold chains are made, as more everyday items are put under the microscope.

At Rich Hill Mine in Arizona, Casey and Dave learn about a revolutionary way of mining. And, Dave finds out about a game-changing gold capturing process.

Dave and the crew reflect on the season. With unseen footage, Team Turin reveals the secret code to their teamwork and success in finding million-dollar gold.

After years of searching, Mike's found the ultimate '80s hot hatch: the Renault 5 GT Turbo. Can Elvis restore it in time for its new owner's birthday?

Mike and Elvis wrestle an iconic Japanese rally car: a Mitsubishi Lancer Evo7. It needs a total engine rebuild and a new look to be king of the street racers.

Find out how glass cookware, bars of soap, steel drums and fire fighter's uniforms are produced, as more everyday items are put under the microscope.

Find out how crayons, wooden kayaks, lawnmowers and gold chains are made, as more everyday items are put under the microscope.

Dave has been interested in dipping his feet in the electric car world, and with his CF1s providing the perfect canvas, he's decided to take the plunge.

Dave has a soft spot for all kids in need. So, when a car show in Oregon that benefits the local children's charity called, Dave eagerly said yes.

At a Cornish castle, Drew digs out beach buckets and toy trucks. Later, his friend Stuart sells off his renowned collection of car memorabilia - and Drew has first dibs!

In Cornwall, Henry and Sam visit a trials car enthusiast with an eclectic set of sheds. Will they come away with a jeep, a bike or something else?

Henry and Sam are in Cornwall visiting the Queen's armourer, Terry English, and his amazing collection of vintage cars, bikes and engines. What will they find?

Find out how inflatable safety devices, braille typewriters, and carbon fibre cellos are made, as more items are put under the microscope.

Find out how carbon fibre masts, fortune cookies, projectors, and roller chains are made, as more items are put under the microscope.

A dramatic change in the Russian crab industry rocks global markets and sparks new competition. As crab prices grow, legendary captains return to claim their piece.

The boys fix up a BMW 335i estate with the performance and styling you might expect from an M3. Can they get it in shape to beat a real M3 in a head-to-head drag race?

Mike and Elvis find and fix up a recently imported Fiat 600. It needs a lot of work, including a full repaint, an engine overhaul and the cooling system needs repairing.

A novice builder tries to construct a stone cabin in Vermont's White River Valley but his inexperience and the harsh winter push him to his limits.

Two brothers are building a high-end, off-grid vacation home in the middle of their 2,000-acre cattle ranch. They only have four months to complete it.

Find out how inflatable safety devices, braille typewriters, and carbon fibre cellos are made, as more items are put under the microscope.

Find out how carbon fibre masts, fortune cookies, projectors, and roller chains are made, as more items are put under the microscope.

Rick calls in his secret weapon, and Parker splurges big to keep his operation running. Fred's new alliance with the Claytons is tested when their cut is flooded.

Rick finally hits the rich pay layer in Rally Valley and accelerates his plans. Tony prospects new ground in Keno, while tensions rise on California Creek.

In Alaska, the spring thaw puts the railroad into meltdown mode and a freight train is stalled on the line's highest bridge by the infamous Hurricane Gulch.

Deep in the Alaskan wilderness is America's toughest town: McCarthy. Locked in winter's grip, the 42 brave souls who live here battle to keep their pioneer lifestyle.

As the fleet begins its race against the Russians, ferocious typhoon Hagibis hits the Bering Sea. Captains must choose whether to risk their lives for a big payday.

Still reeling from deadly typhoon Hagibis, the fleet claws its way back into competition against the Russians - and the pressure to make up ground has mounted.

An Oregon miner calls Freddy and Juan to help save his mine and pass it on to his Greenhorn son, but they discover the property has been mined out.

When the Black Pearl's trommel motor catches fire, Todd's crew attempts to modify the smaller wash plant Jack built decades ago to run more pay dirt.

Tensions start to rise between teams as they get territorial over hunting ground. Plus, one survivalist is bitten by a snake and requires urgent medical attention.

Three of the remaining teams trek through the dense, snake-filled jungle. The journey quickly turns to chaos and one survivalist must be medically evacuated.