Discovery HD

A mysterious white boulder dubbed 'Moby' could be the gateway to more monster nuggets. But first, Mother Nature throws Dustin a sucker punch.

Winter unleashes its fury on the fleet. When Keith's winch seizes, the Wizard crew work a double shift to retrieve their pots. Plus, the Summer Bay runs aground.

Mike discovers a true Japanese legend from the 1990s, the Nissan 300ZX twin turbo. Ant wants to boost the performance even more - but Mike has the opposite in mind.

Drew explores the world's biggest travelling vintage funfair, a pub where everything is for sale and an illuminations depot packed with pop art.

Foreman Mitch Blaschke steps in as mine boss for the day and immediately encounters broken water pumps, rock trucks and excavators.

Clues from the Zodiac Killer are finally deciphered. A million-dollar treasure is revealed. An ancient manuscript may explain the origins of life.

Perception. Don and Mimi Galvin's dream of raising a picture-perfect family in Colorado Springs is thwarted as their eldest son, Donald, begins to act strangely.

The team tries a dangerous manoeuvre on the trail of the Lost Rhoades Mine to access the Mormon Eye cave. Duane finds more poacher sites on the ranch.

Lightning Man. The team is looking for a Bigfoot known as the 'Lightning Man'. Is the key to this investigation a Native American lightning symbol.

Clues from the Zodiac Killer are finally deciphered. A million-dollar treasure is revealed. An ancient manuscript may explain the origins of life.

Perception. Don and Mimi Galvin's dream of raising a picture-perfect family in Colorado Springs is thwarted as their eldest son, Donald, begins to act strangely.

While digging out Vegas Valley, Rick prospects a new area in Keno that could be richer than anything he'd mined.

Gold miners rely on some of the biggest and toughest machines on earth to make their fortunes. But which one is the best of the best.

Find out how pasta dyes, blueberries, composting toilets, and surge arresters are made.

Find out how angle grinders, berry baskets, and omnidirectional speakers are made.

Find out how cartridge blades, chocolate banana loaves, vending machines, and dive computers are made.

Find out how ultra-thin glass, pallet dismantling machines, cupcakes, and seamless stainless steel tubes are made.

Find out how Potash, Leather Bracelets, Wild Rice, and Hex Key L Wrenches are made.

Find out how nail files, birch canoes, boat hardtops, and high voltage circuit breakers are made.

Ever wondered how everyday items are made? Find out how macarons, pine needle baskets, and micrometers are made.

Ever wondered how everyday items are made? More common items including endoscopes, megaphones and uranium go under the microscope.

Ever wondered how everyday items are made? More common items including hollow disk pumps and yachts go under the microscope.

How are everyday objects made? Common items including collagen and plier staplers go under the microscope.

How are everyday objects made? Common items including Thai barbeques, diving masks and fins, and bassoons go under the microscope.

How are everyday objects made? Common items including Moccasins, Electronic Impact Drills go under the microscope.

Captain Joe takes his sons to sea aboard the Redrum, only to witness nature at its rawest. Niko hunts the season's biggest bluefin yet, worth $10,000.

As Joe fights to keep his lead, all bets are off when a legend joins the derby. Emmett struggles without a plane until his dad harpoons a giant.

At the mid-season peak, three centuries-old fishing strategies compete. Joe relies on instinct, Tyler turns to science, and Niko relies on tradition.

Battling with Tyler for the lead, Joe partners with Niko. But when Niko's zapper fails at the worst possible moment, Tyler steps in to save the day.

Captains Joe and Tyler battle to capture oversized 'quota-killer' tuna. Meanwhile, veteran Tyler struggles with both science and technology.

With a quarter of the bluefin quota remaining, a change in weather forces a shift in strategy. As Tyler scores three big fish, Joe takes to the air.

Foreman Mitch Blaschke steps in as mine boss for the day and immediately encounters broken water pumps, rock trucks and excavators.

Desperate to save his season, Shawn takes a pivotal leap of faith. Zeke reaches a critical crossroads and Vernon's diver gets into a risky tangle.

As Joe and Tyler fight for the top spot, dark horse Niko tries to steal it. But everything comes down to the final weigh-ins at the dock.

A series legend joins two new survivalists in the brutal Kentucky backwoods. Deadly copperheads, and violent storms push them to the brink.

Clues from the Zodiac Killer are finally deciphered. A million-dollar treasure is revealed. An ancient manuscript may explain the origins of life.

Perception. Don and Mimi Galvin's dream of raising a picture-perfect family in Colorado Springs is thwarted as their eldest son, Donald, begins to act strangely.

Three distillers compete to make moonshine that packs a medicinal punch! Mark, Digger and Tim judge whose jar ultimately tastes the best.

Mark, Digger and Tim team up with three underdog contestants for a fresh shot at redemption. Who will seize this second chance and make the best shine.

How do they make smooth writing ballpoint pens that don't leak or fade? And, how do they make pizza for soldiers on the frontline.

In Cremona, how do they make modern violins that sound as good as the legendary Stradivarius? And, how do they build houses with volcanic rock.

Mike tracks down a rare '91 Alfa Romeo 164L. He loves the look, but Ant has his work cut out for him. The car has perfect bodywork, but it has a leaking engine.

Mike Brewer and Marc 'Elvis' Priestley trade up to a VW Golf GTi for teaching assistant Jess. And the guys transform an old Fiat Doblo into a micro camper.

Mike and Ant turn their attention to a rare 2004 MX-5 Mazdaspeed. It drives like it's strapped to a rocket, but it's noisy, leaky and in need of some cosmetic TLC.

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.

Mike and Elvis tackle a classic Toyota Landcruiser. Mike takes a gamble and imports an original 70s one from Japan, not knowing what state it will arrive in.

Australia. Mike and Elvis engage in the ultimate Aussie showdown: Ford versus Holden. Can their Ford XR8 outpace the Holden GTS at the Mount Panorama circuit.

The Raneys help a Texas family with dreams of a horse rescue. Misty builds a multi-tier garden and duck pond, and Marty constructs an innovative horse barn.

With a major setback in Misty's build, the Raneys race the clock in their rescue of a Texas homestead. Matt builds a hog trap for an additional food resource.

The Raneys find a Montana homestead struggling through food, predator and power problems. Marty and Matt enlist a community of firefighters to help.

Marty faces his most daunting challenge ever in the rescue of a Tennessee homestead. He calls on past homesteaders and a home renovation team to help.

An officer's suspicions are alerted by a bag containing three large bottles. And, a random luggage inspection uncovers undeclared syringes.

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.

A young family embarks on their biggest and most challenging build yet - an in-earth cavern in the mountains of northern Georgia.

A family builds an ultra-modern farmhouse in the verdant Wisconsin countryside. The project extending into winter pushes them to the breaking point.

In Namibia's Erongo Mountains: hundreds of kilometres of scorching, rocky desert, but the San bushmen have survived here for millennia. Can Ed.

One of the biggest heavy lift vessels in the world is squeezed through a narrow canal in Germany. Plus, a 90-tonne locomotive is loaded onto a truck.

On the island of Sitka, Alaskan engineers construct a colossal dam to power the entire town. Plus, Alaska's biggest boat lift hauls a 400-ton fishing ship.