Discovery Channel HD

'S14/E1 - Aluminium Cans, Cuckoo Clocks, Paddleboards'. How do they turn used aluminium cans into planes and rockets? Plus, how do they carve the traditional Black Forest cuckoo clock?

'S5/E7 - Leap Of Faith'. Parker considers a major pivot: building his own custom plant for the Alaska claim. Tyler and Jeff prospect for gold nuggets in New Zealand's richest river.

'S5/E8 - Sharks And Gold'. Parker dives for gold in shark-infested waters. Plus, he explores a billion-dollar hard rock mine and reveals his final Alaska wash plant design.

'S3/E5 - Graveyard Of The Great Lakes'. Treacherous Lake Superior has claimed thousands of lives. Phil and Jess dive into an investigation to uncover the alleged paranormal activity.

'S4/E11 - Sparks Fly'. Sparks fly at Tom's camp as a worker showdown threatens the project. Later, a bear attack leaves Jodi on edge at Creig's camp.

'S4/E12 - Crunch Time'. Impending weather is making crunch time at the builds that much more desperate. Rich is forced to make a crucial building decision he doesn't want to make.

'S3/E5'. Take a look behind the scenes of Poland's scrap metal industry. Meet the colourful characters, discover where materials come from - and where they go after the scrapyard.

'S1/E1 - The Thanos Thumper'. Robert Downey Jr. converts his K10 truck to an all-electric. Plus, he test-drives two electric cars, including the world's fastest-accelerating production car.

'S2/E1 - Surfs Up For A '61 Econo-fine'. Fired Up rescues a rusty 1961 Ford Econoline pickup. When Tom finds hidden treasure, he hunts down legendary Mexican Luchador, Blue Demon Jr.

'S3/E21 - Street Mission'. When JJ 'Da Boss' from Memphis invites the 405 to race, they head east to the craziest race ever - and the Memphis guys give the OKC racers a run for their money.

'S3/E22 - Put Up For Your City'. Chief decides to put on a new race - a bracket competition where teams of racers from Detroit, New York, California and the 405 are put to the test.

'S3/E7'. Take a look behind the scenes of Poland's scrap metal industry. Meet the colourful characters, discover where materials come from - and where they go after the scrapyard.

'S3/E8'. Take a look behind the scenes of Poland's scrap metal industry. Meet the colourful characters, discover where materials come from - and where they go after the scrapyard.

'S14/E4 - Helmets, Tea, District Heating'. How do they harvest and treat the world's most expensive tea? Plus, how does the Siekierki power plant of Warsaw, Poland heat half the city's homes?

'S14/E5 - Royal Enfield, Art Fraud, Milk'. How do they engineer the latest incarnation of the classic Royal Enfield Continental GT motorbike? Plus, how do 'art detectives' spot a forgery?

'S14/E6 - Crash Testing, Delftware, Umbrellas'. How do they blend science and destruction at crash test centres? And how do they piece together the complex mechanism of a pocket sized umbrella?

'S5/E7 - Leap Of Faith'. Parker considers a major pivot: building his own custom plant for the Alaska claim. Tyler and Jeff prospect for gold nuggets in New Zealand's richest river.

'S5/E8 - Sharks And Gold'. Parker dives for gold in shark-infested waters. Plus, he explores a billion-dollar hard rock mine and reveals his final Alaska wash plant design.

'S5/E1 - Family Legacy'. The three build teams kick off their builds in unique, remote Alaskan settings. Adam and his family begin building a Family Legacy cabin in the Wrangell Mountains.

'S5/E2 - Frozen Highway'. Three teams continue their builds in unique, remote Alaskan settings. Adam and his family stake out the area for their Family Legacy cabin.

'S20/E4 - Lights Out!'. A below-deck brawl puts Sophia's captaincy to the test. A hydro leak threatens Wild Bill's entire King Crab season. Keith goes dark in 20-foot seas.

'S20/E5 - Twice Bitten, Twice Shy'. When Sig discovers Jake stole his fishing data, he deals his protégé a lesson he won't soon forget. Rick faces a deckhand rattled by incessant waves.

'S2/E2 - Truckin' It With Trejo'. The team try selling the Econoline to the notorious Danny Trejo, but can Thomas seal the deal? Plus, Tom takes on a legendary Latino wrestler.

'S2/E3 - The Original Rum Runner'. Thomas and Tom take a hot lap with NASCAR legend Bill Elliot and bring home a '40 Ford Tudor to turn into a vintage Moonshine Runner!

'S3/E35 - Carbon Fibre Masts/ Fortune Cookies/IMAX Projectors'. More everyday items go under the microscope with a look at how items including IMAX projectors and roller chains are made.

'S3/E36'. More everyday items go under the microscope with a look at how firefighter helmets, nautical compasses, packaging tubes, and hand saws are made.

'S3/E3 - Ghost Fort Of The Civil War'. Phil and Jess gain unprecedented access to investigate ghostly voices and apparitions in Fort Morgan, a massive Civil War stronghold.

'S6/E1 - Mucho Oro'. Parker and his team travel to South America in search of a claim to mine with $100 million dollars in gold. They follow an Incan trail deep into the Peruvian jungle.

'S2/E8 - Fire Line'. Chainsaws spark fires, and when a blaze hits the Forever Claim, Jared must make a call whether to end the season early.

'S2/E1 - Terminally Stupid'. An angry passenger sets off a fire extinguisher at a busy Atlanta airport. In Texas, cops discover a giant python underneath a car.

'S2/E2 - Bad Granny'. Officers call for backup after a renegade DUI granny resists arrest. As party guests hide, cops uncover a surprise in the closet.

'S1/E3 - Dropping Like Zombies'. Wes scavenges materials to take on his croc nemesis. A survivalist scores the challenge's first big kill. The wasteland forces two more to bow out.

'S14/E4 - Helmets, Tea, District Heating'. How do they harvest and treat the world's most expensive tea? Plus, how does the Siekierki power plant of Warsaw, Poland heat half the city's homes?