Discovery Channel HD

'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.

'S3/E6'. 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/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?

'S14/E2 - Car Shredder, Sarees, Worcestershire Sauce'. How do they build the ultimate car crushing colossus? Plus, how do Lea and Perrins concoct their Worcestershire sauce?

'S14/E3 - Mardi Gras'. A look at how the amazing, and massive, decorations on Mardi Gras carnival floats are created, how rock candy is twisted together, and a look at how dentures are made.

'S5/E5 - Gold Mining Paradise'. Parker investigates a bucket dredge that's banked over $700 million and discovers paradise: a gold-rich claim with every type of plant needed to strike it rich.

'S5/E6 - Gut Check'. Parker pivots to test a shaker deck. However, his inability to pull the trigger leads him to question the viability of his new Alaska operation.

'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.

'S20/E2 - Super El Niño'. Jake's next move puts him at odds with Sig. Wild Bill battles heavy seas and side effects, while Sophia attempts to pop in a deckhand's dislocated hip.

'S20/E3 - A Titan Among Men'. After leaving the Northwestern, Jake has a lot to prove on a massive new boat. Sig and Johnathan jockey to get ahead of a migrating king crab hoard.

'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/E33'. How do they make jet skis, chipboard office furniture and ice skates? Find out as more everyday items are put under the microscope.

'S3/E34'. How do they make winter jackets, gold rings, mushrooms? Find out as more everyday items are put under the microscope.

'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.

'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.

'S16/E10 - New Levels Of Chaos'. Parker unleashes chaos to get four plants running for the first time. Tony splurges on a new plant and Rick fires up in Vegas Valley.

'S1/E2 - No Fury Like A Woman Thorned'. Fuelled by a win, Waz and Teal scavenge the ruins to build shelter. Amber fights an eye injury and camp chaos. Two survivalists are forced out.

'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?