Discovery HD

How do they make turf grass, beef jerky, wood chippers, and bowling pins? Find out as more everyday items are put under the microscope.

How do they make Leatherman multi-tools, jojoba oil, and marionettes? Find out as more everyday items are put under the microscope.

The staff are concerned when a beloved African penguin falls mysteriously ill. Then, the aquarium witnesses the annual spawning of an endangered coral species.

The staff use laser-equipped cameras to determine just how long Trixie the whale shark is. Plus, a shy box turtle makes friends.

Dredge, Baby, Dredge! Tony unleashes his floating wash plant, and Rick moves Monster Red to Vegas Valley. Kevin's nightshift crew may bring in his biggest haul of the year.

Rick's season rides on his first week of sluicing at Vegas Valley. Parker targets a trusted honey hole. Tony asks Cousin Mike to fire up a new plant.

A couple with a passion for snowboarding build a cabin in Vermont. Can they finish this ambitious build before the harsh New England winter hits.

A young family plan to build their forever home in Alabama. Can they complete this challenging build during the peak of hurricane season.

Dr. Jeff helps a dog with a serious illness. Mel and her daughter rescue a baby squirrel, while Dr. Jeff and Dr. Petra team up to save a beloved cat hit by a car.

Dr. Jeff treats a skittish Savannah cat with an unusual condition. And, the team races to save a stray dog as it runs toward the freeway.

More everyday items are put under the microscope as we discover how they are made, including automotive fuel pumps, cricket bats, change machines and ductile iron pipe.

More everyday items are put under the microscope as we discover how they are made, including wooden barrels, fire hydrants, automotive seats and cathode ray tubes.

More everyday items are put under the microscope as we discover how they are made, including stainless steel, football helmets, resin figurines and laboratory glassware.

More everyday items are put under the microscope as we discover how they are made, including fire extinguishers, doughnuts, shock absorbers and banjos.

A rift threatens an extended family on their overcrowded Texas homestead. The pressure's on for the Raneys to execute an epic overhaul.

Edd and Mike look back on the memories of the last eight cars. Which were the best and worst buys, the most inventive fixes, and the biggest transformations.

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.

Josh investigates Nikola Tesla's 'Death Ray,' a cryptic, demonic message from a possessed nun, and the real source of the Oracle of Delphi's visions.

While drilling above the Golden Staircase, outsiders close in. A blast reveals a hidden tunnel, and the team enters, rappelling down to investigate.

Heather and Phil track reports of a bloodsucking Chupacabra terrorising eastern Texas, teaming up with a robotic hound to hunt the elusive creature.

New mum Mandy returns to Sig's wheelhouse as heavy ice builds on the Northwestern. Jake unveils a new super pot as winter weather blindsides the fleet.

Josh investigates Nikola Tesla's 'Death Ray,' a cryptic, demonic message from a possessed nun, and the real source of the Oracle of Delphi's visions.

While drilling above the Golden Staircase, outsiders close in. A blast reveals a hidden tunnel, and the team enters, rappelling down to investigate.

With just four weeks left in the season a chronic back injury knocks Shawn down for the count. Plus, George is in a tight spot with his brother.

Tickle joins the judging panel as three self-taught distillers compete to make whiskey from ancient forms of grains that go back thousands of years.

How do they forge super steel to make a car lighter, greener and safer? And, how do they shear Australia's eighty million sheep every Spring.

How do they keep you comfortable, entertained and safe with the latest aircraft seats? And, how do they design bras with aerospace technology to give you that extra lift.

How is plasterboard made from power station smoke? How do they cast the world's top awards? How do they build a plane that can take off and land almost anywhere.

How do they make car windows to keep out wind and rain, stones and thieves, and even noise and harmful UV rays? And, how do they put the gloss on lipstick.

How do they make George Washington's favourite tipple? How do they crash test aircraft seats without crashing a plane? How do they produce billions of batteries a year.

How do they mine nickel to turn into nickels? How do they build the lock gates for canals to allow barges to climb hills? How do they put the bubbles in bubble tea.

The vets treat Xena, a German shepherd with head injuries after being trampled by a donkey. And, Coco the kitten is having trouble walking.

Nalla the dog needs emergency treatment after being shot in a home invasion. Plus, Dr Jeff and Hector treat wolves at a Colorado wildlife sanctuary.

At the International Training Centre, Dr Jeff treats a stray dog suffering from a broken leg. Meanwhile, Hector babysits Dr Jeff's dog, Fred.

As winter approaches Heimo and his daughter Krinn hunt for caribou. Ashley and Tyler reunite and continue building the new cabin before the cold weather sets in.

The Alaskans prepare for trapping season. Heimo's newest cabin may have fallen victim to a marauding bear. Meanwhile, Tyler and Ashley step up their house build.

With winter fast approaching, it's time to hunt moose. Tyler stalks an elusive bull and Charlie discovers why the area is called 'Starvation Country.

The Alaskans are desperate to fill their smokehouses before winter. The Seldens help haul home Tyler's moose kill. Heimo and Charlie worry about a lack of meat.

Winter in the Arctic Refuge usually means time for action. But this year, low snowfall slows them down - snow machines and dogsleds are useless in these conditions.

As winter tightens its grip, the days shorten - with less daylight for checking traps. Heimo and Edna's fur count is down, and wolves invade their traplines.

As Arctic ice wreaks havoc on the fishing grounds, Rick risks losing a fortune in crab pots. Johnathan tests the Time Bandit's reinforced bow.

Ant visits an Alfa specialist and gets more than he bargained for. Its win-win, but it'll be tricky to fit a Spider's axle, gearbox and engine into his 158.

Ant is beginning to feel the pressure of his ambitious build. The only place he can get the correct body mould on short notice is more than 5,000 miles away.

Chase Morrill and his crew renovate a family's cabin near the Appalachian Trail. But, the remote location, timeline and budget create challenges.

Teams build four-pronged, fire-hardened spears. One team's spear - and partnership - breaks under pressure. Cold, driving rain collapses a shelter.

Josh investigates Nikola Tesla's 'Death Ray,' a cryptic, demonic message from a possessed nun, and the real source of the Oracle of Delphi's visions.

While drilling above the Golden Staircase, outsiders close in. A blast reveals a hidden tunnel, and the team enters, rappelling down to investigate.

Birth Of The Monster Black Holes. Experts explain the importance of supermassive black holes. They have some answers, but can they solve the mysteries surrounding these phenomena.

Some of the brightest minds and theorists on the planet explore the limits of human knowledge and explain the science behind our star.

Senior recruits JQ and Jason Pohl to build a tribute bike for the Sikorsky Aircraft Corp. But fabrication issues have the guys spinning out of control.

The Teutuls build a luxury performance bike for Mercedes Benz-AMG. Sr taps a local artist to immortalize his kids in ink, then gets away with his best friend Gus.

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.

Mike and Edd look over a few cars in the garage as they reminisce about the recent projects, with insight into how they went while looking at never seen before footage.

Mike gets his hands on a valuable 1995 Ford Escort RS Cosworth. Can new mechanic Ant Anstead bring back the 227 hp engine's famous 'fizz'.

Mike hopes to capitalise on '80s nostalgia by restoring an original 1982 Toyota Supra. Can Ant bring this car into the modern era without losing its originality.

Car dealer Mike Brewer snatches up a 1973 Ford Mustang Mach 1. Can mechanic Ant Anstead bring back the lost power by tuning up and enhancing the engine.

Mike Brewer and Ant Anstead try to arouse the passion of the Saab enthusiast community by restoring a rusty, non-driving 1973 Saab 96 to its past glory.

Inventive off-the-grid builders have created some of the world's most unique structures, including a cliff house retreat and a mushroom getaway.

Daring off-the-grid builders have created stunning waterfront homes, including an underground home on a rock quarry and an oceanfront tropical paradise.

The Raneys rescue a family descended from rock'n'roll royalty by reclaiming their homestead from the jungle on Kauai. But a dangerous flash flood causes issues.

Home Is Where The Yurt Is. In the Tennessee mountains, the Raneys constructs a massive yurt. They turn a rundown pond into a food source and create a workshop with a propane forge.

Using their own 40-acre homestead, the Raneys reveal the five essential watchouts for wannabe homesteaders seeking land to settle on.

The Raneys are called by a concerned uncle to save a stubborn Alaskan family facing bears, arsenic in the water, and winter closing fast.

A New York State Of Mind. The crew head to the Appalachian Mountains in New York to build a huge, antique log guesthouse for a couple who traded city life for country life.

That Car's Flying! Hurricane Idalia's 12-foot storm surge sweeps away Gulf Coast neighbourhoods as its winds overturn rush-hour traffic 350 miles away in Charleston, SC.

Being a truck driver isn't easy: long hours, huge loads and busy roads are just some of the issues they face. Truckers share their journeys.

A local business owner wants the team to put his fire-damaged '32 Ford back together. Plus, a 1967 Mustang arrives with a nasty engine vibration.

Dave designs a Mustang for the ages to compete in the Optima Challenge. The build includes a new front facia and hood and redesigning the rear end.

The 1965 Mustang makes its way through the metal shop and is now ready for paint and final assembly. But making it function will test even the Kindig crew.

The OCC is ready to roll on a bowling themed bike but a series of mishaps creates problems. Will a break at the local lanes get them back on track.

Jr produces one of his most innovative custom bike designs for McCuff Industries. But will a miscalculation in fabrication threaten the project's debut.

How do they make fish decoys, cylinder stoves and digitalise film? Find out as more everyday items are put under the microscope.

How do they build bamboo bicycles, create chainsaw art and make breath mints? Find out as more everyday items are put under the microscope.

After devouring all his tankmate's food, a hungry sea turtle finds a space to eat in peace. Plus, two beluga whales are welcomed to their new home.

A rescued sea otter must build his independence after becoming too attached to his best friend. And, over 50 African penguins are moved for spring cleaning.

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.

Mother Nature. Over six short months, the Klondike's gold miners battle nature's wrath, coping with storms, floods, and summer wildfires to uncover millions in gold.

Two renovators have purchased land in a remote part of Colorado. They plan on using a rammed-earth process to construct all-natural walls.

When turbulent weather turns his build site into a mud pit, a builder questions if his Greek cottage will ever become a reality in Tennessee.

The team cares for abandoned kittens. Plus, Dr. Jeff gives hope to a concerned owner when their beloved dog is diagnosed with cancer and a rescue tiger finds love.

Dr. Jeff helps 40 miniature Australian shepherds rescued from a puppy mill. And, vet technician Christine needs Dr. Jeff's help when her chihuahua struggles to walk.

More everyday items are put under the microscope as we discover how they are made, including dress forms, boat propellers, duvets and taps.

More everyday items are put under the microscope to see how they are made, including bronze bells, wooden aeroplane propellers and gas log fireplaces.

More everyday items are put under the microscope, including pocket knives, soapstone products, electric pole transformers and traditional snowshoes.

More everyday items are put under the microscope as we discover how they are made, including steel shipping drums, police whistles, miniature train cars and glass blocks.

A single mum is unprepared for winter in Interior Alaska. Facing summer wildfires, the Raneys battle still-frozen ground to secure water and food stores.

Mike's out for adventure with a 1970 Ford Bronco. When they find it's riddled with rust, Mike sets out to save the project from disaster while Edd keeps his cool.

As the Alfa build nears the halfway point, a torn bicep threatens to derail the project. Ant's wife is surprised to learn that the 158 is a single-seater.

Does My Chassis Look Big In This? Ant's 158 and injured arm are both progressing, but he still needs help. Meanwhile, the body is still in transit and might not fit the chassis.

Chase Morrill and his crew work to save an old cabin in Oakland, ME, that the owner bought from his father, so he could share his own childhood memories.

A family try to build a silo greenhouse home in the Blue Ridge Mountains of Georgia. This unique build is made even more challenging by unpredictable weather.

Phil and Heather explore the Rock of Gibraltar's tunnels in pursuit of the Mad Monk. Their hunt reveals a violent prison with walls built from bones.