Discovery HD

Experts reveal how blind bats avoid collision. Do mice really like cheese? What makes manatees' farts so special? And, why are slugs so slimy.

Experts examine how humpback whales leap so far out of water. Why do dogs tilt their heads? Why do animals swarm? How do spiders shed their skin.

Experts test to see if wild wolves are smarter than domestic dogs with an interesting experiment. Plus, can spiders really fly? And, how do polar bears keep warm.

Experts look at why ants don't drown. Why don't woodpeckers get headaches? And, how does a 15-foot octopus escape through a three-inch hole.

Fisherman and adventurer, Jeremy Wade, is with a commercial fishing boat in Alaska, searching for giant halibut. Will they catch the sought-after 50-lb halibut.

Fisherman and adventurer, Jeremy Wade, travels to western Australia to discover what is wiping out many of the fish in Australia's Fitzroy River. What will he find.

Fisherman and adventurer, Jeremy Wade, is on an epic journey to catch a prehistoric monster - the man-sized pike in the lakes of Ireland. Will he find it.

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.

Extraordinary individuals, from survivalists to scientists, reveal how shows they watched on Discovery inspired them and transformed their lives.

In California, Freddy and Juan rescue their first-ever hard rock operation. As stakes heat up with big fixes, Freddy makes a million-dollar discovery.

In their first-ever Washington state rescue, the guys must devise a unique fix to a 4,000-foot-high problem to save two best friends' hard rock mine.

Rick returns to Vegas and gets a proposition from Parker. Tony hunts for missed gold in the Hester Cut. Parker's crew loses a truck at the worst time.

Matt's team scrambles to sell boats, vintage motorcycles, and barbershop equipment. A surprise Magic Johnson find could score big bucks.

Chase Morrill and his team renovate a neglected camp for a growing family. They must overcome an unusual blueprint and a steep outdoor slope to finish the job.

Veteran survivalists Ky Furneaux and Dan Link take on the toughest challenge of their lives: surviving 14 days in Thailand with no tools at all.

Extraordinary individuals, from survivalists to scientists, reveal how shows they watched on Discovery inspired them and transformed their lives.

Heather and Phil investigate Ocracoke Island, where locals still fear Blackbeard's ghost. Is he guarding long-lost treasure, or seeking his revenge.

A failed assassination attempt revives mind control theories. Andrew conducts a shocking experiment to see if a killer really can be programmed.

Scientists have discovered evidence of a mysterious ninth planet on the very edge of our solar system, could its moons support extra-terrestrial life.

The Universe is a violent and dangerous place. From exploding stars and colliding galaxies to nebula shockwaves - what are the worst places in the Universe.

After a gruelling night against St. Louis, MSO gets a callout from some Oklahoma Racers who want to challenge Memphis on the same sketchy street.

As their battle with Chicago approaches, the MSO scrambles to fix Heifer after losing her to a fender bender. JJ finds a '65 Malibu but will they use it.

Mike gets nostalgic in a 1985 Merkur XR4Ti - AKA the Ford Sierra. He has found a rare competition shell model and Ant applies some unique European touches.

Mike is excited to pick up one of his favourite types of convertible: the 2000 Porsche 996. With only a few issues, this car will be an absolute steal for him.

Mike tracks down a classic '65 Ford Mustang for Ant to work his magic on. Plus, there's a look at how the show is made, out-takes, and the guys' favourite moments.

Part 2. Mike and Ant are ready to complete one of their biggest builds ever. Mike challenges one of racing's most prolific competitors, Antron Brown, to a drag race.

Part 1. Mike gets a classic 1965 Plymouth Barracuda for a bargain and wastes no time in converting it with a Hemi engine to give this ride a new lease of life.

Mike finds a two-seat convertible roadster for Ant to recondition. With suspension in need of an overhaul and a tatty exhaust, Mike returns to the UK for parts.

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

Novice farmsteaders in Iowa are on the verge of losing the legacy of their late father. The Raneys must quickly give them an off-grid masterclass.

A Big Island family finds their off-grid paradise threatened by destructive storms and deadly pests. To save them, the Raneys must get creative.

A Florida homestead is devastated by flooding and alligators. The Raneys find inventive ways to protect the homestead and bring in new food sources.

As police raid his underground still site, Josh takes cover with Tickle and Henry. Mark and Digger contend with rotten-egg flavoured blueberry brandy.

Three distillers compete to resurrect a Civil War-era shine made from rare Jimmy Red Corn. Only one will earn the title of Master Distiller.

Mark and the crew work through layers of architectural history in a pioneer home in Tennessee. They hear stories from family members who lived in the cabin.

Elvis convinces Mike to buy a bargain VW Golf convertible. But its bright colour is divisive, it's rusty, filthy and has a busted convertible roof.

A repeat client wants a tall, monster-sized work truck, so the team decides to build the world's first-ever, truly lifted Hummer EV.

Shorty takes on a 1969 Camaro that needs some love, a 1965 Impala that needs an air ride, and a 1940s pull wagon that could use some paint.

Porkchop turns a 1969 Firebird convertible into a tribute Trans Am. The team transform the car with a new spoiler, custom interior, and racing stripes.

A classic Nova gets a rebuilt supercharged 6.2 LS, and the crew revives a 1924 LaFrance fire truck for the nearby Cedar Hill Fire Department.

MSO prepares to face off against some local racers led by the fast-talking Tony Yeager. Tensions are high thanks to MSO's history with their competition.

MSO are challenged to switch to small tires and compete against South Carolina. With little time to prepare, Memphis must adapt quickly or risk humiliation.

Toothpicks, acrylic bathtubs, helicopters and beer. More objects are put under the microscope as we find out how they were made.

Nails, staples, safety glasses, fabrics and bicycles are put under the microscope to find out how they were made.

Wayde and Brett head to Dubai to check out two record-breaking underwater habitats - and scuba dive with the world's biggest collection of tiger sharks.

WWE Superstar Chris Jericho wants a large aquarium with a replica championship belt and List of Jericho. Will Brett and Wayde be victorious or put on the list.

Gold miners Boyce and Ben separately head into the bush of British Columbia, seeking the next big pay streak. Completely alone, they race against winter to hit gold.

Ben is running out of food, but sudden snow gives hope of tracking wild game, while a promising dig site prompts Boyce to haul in his mining equipment.

A family build a cabin retreat in the foothills of the Appalachian Mountains. Can they overcome rough terrain and sweltering heat to complete the job.

A couple plan to build out their inherited property in Missouri. They face flooding and huge fires as they attempt to pull of this ambitious project.

Dr. Jeff and his team head to Romania to help with a street dog problem. Plus, the team ventures into the mountains to help a European Bison with a brutal wound.

Dr. Jeff heads to Texas to help out rescued animals after Hurricane Harvey. Back in Denver, a woman brings in Bear who needs surgery after eating a sock.

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.

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.

Rookie homesteaders may not survive their first Arizona desert winter. The Raneys race to solve the freezing water, food issues, and livestock quarters.

Mike and Elvis take on the 'baby Ferrari' but with a tiny budget. Can the guys make this old school classic car a rival to its Italian cousin.

Matt takes down a hazardous barn and salvages the wood for hard cash. A rare Spider-Man comic sells for more than $15,000.

Chase Morrill and the team dismantle, move and restore a log cabin before the wedding of one of their own, Lance - so they must work fast to finish.

Josh, Phil and Heather investigate the notorious Trans-Allegheny Lunatic Asylum, where thousands died after disturbing medical procedures.

After finding strange evidence in California, the team journeys to Prince of Wales Island, Alaska, to find Bigfoot. There, mysterious screams terrify the locals.

In Rome, officers strip search a man suspected of smuggling drugs. And, the Civil Guard are alerted to migrants stranded in the Strait of Gibraltar.

In Brussels, a priest carrying large amounts of cash gets stopped and questioned. And, a suspicious truck full of timber is searched in Algeciras.

Chase Morrill and the team dismantle, move and restore a log cabin before the wedding of one of their own, Lance - so they must work fast to finish.

Josh, Phil and Heather investigate the notorious Trans-Allegheny Lunatic Asylum, where thousands died after disturbing medical procedures.

Part 1. Shawn's negotiations with his father for the inland mine implode. Emily deploys her new diver while Vernon searches for one of his own.

Tickle. Mark and Digger risk delivering strong shine and sweet justice. Plus, Josh smashes obstacles that stood in his way all season.

Kayaks, safety boots, electronic signs and cereal. More everyday objects are put under the microscope as we find out how they were made.

Trucks, plasters, circuit boards and spirits. More everyday objects are put under the microscope as we find out how they were made.

The San Francisco Giants want to bring McCovey Cove inside the ballpark! Can the guys build a tank big enough to impress their loyal fans.

CEO of Zappos thinks his employees deserve a nap room! Wayde and Brett accept the challenge to create a 24 ft long tank with individual sleeping pods.

Boyce takes a risk crossing a river to reach rich ground, whilst Ben rappels down a cliff. 68 year-old mining veteran John Belcik starts his descent into the Canyon.

John's plans are derailed when a tree crushes his shelter. Ben finds the best dig site he's ever seen and Boyce's only shot at gold leaves him with dire options.

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.

Rocky, a young pit bull, is fighting for his life after being bitten by a rattle snake. Plus, Sassquatch the cat suffers after a fire at his owner's apartment.

Dr Jeff helps Lola who needs major surgery on her kidneys and Dr Amy meets Bobo who's badly wounded after a cat fight. Animal control brings in a neglected dog, Juicy.

How do they make dinner sets, air brake tanks and frosted cereal? Find out, as more everyday items are put under the microscope.

How do they make clay, pitted prunes, spurs and polyurethane tyres? Find out, as more everyday items are put under the microscope.

How do they make tasers, canned soup, diving boards, jaw harps and mouth bows? Find out as more everyday items are put under the microscope.

How do they make Navajo rugs, crude oil, kaleidoscopes and titanium dental implants? Find out as everyday items are put under the microscope.

A Colorado veteran's family and stable of horses are ravaged by hurricane-force winds. To help, the Raneys pull out some of their most creative builds yet.

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. A simple cosmetic touch-up becomes a complex and pricey restoration.

Parker brings Sluicifer out of retirement for a big week. Rick prays that Vegas Valley still pays out big. Kevin staffs up for the final push.

Mining legend Dave Turin joins Juan in Alaska to save a trio of in-laws' mining dream, but a major setback jeopardizes the entire rescue.

The team suspects a shapeshifting creature from Alaskan lore may be responsible for the haunting howls heard near a remote lake.