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'S4/E7 - Hard Rock Risk'. Tyler leads Parker to a promising hard rock mine. They detonate high explosives to gauge if the rewards of underground mining justify the risks.

'S4/E8 - Future Ground'. Parker travels deep into Australia's 'Super Pit' gold mine. He stakes a new claim and makes a big decision that could change his mining career.

'S4/E5 - Plan B'. Creig's build struggles with the emotional scars of the bear mauling. Plus, Tom's surprise from the sky shifts the build into a new gear.

'S4/E6 - Independence Day'. Rich and his team race to stay ahead of the helicopter drops. And, an eight-point earthquake leaves Creig's build on shaky ground.

'S19/E20 - Battleship'. Hampered by damage, Sig must outmanoeuvre an unknown captain to hold onto his ground. Jake allies with Wild Bill to make a critical deadline.

'S19/E21 - Last Stand Of John Hillstrand'. Johnathan's crab pots are in peril. Sig seeks a Bairdi hotspot with a decades-old computer. Jake's short on crew and must put his niece on hydraulics.

'S1/E20 - Crushed GTO And Chopped '41 Ford Part 2'. The guys teach Thomas a lesson and crush the '71 GTO with a tank. Thomas buys a food truck, plus a '41 Ford to turn into a flaming hot rod!

'S1/E21 - '57 Corvette Part 1'. Thomas and Tom get a bargain '57 Corvette and help Sue buy a '56 Ford truck for the garage to rebuild. Tom's food truck arrives and a new team member joins.

'S2/E13 - Nails/Staples/Safety Glasses/Fabrics/Bicycles'. More everyday items are put under the microscope as we discover how they are made.

'S3/E27'. How do they make cereals, safety boots and electronic signs? Find out as more everyday items are put under the microscope.

'S2/E12 - Into The Alien Ocean'. Jess and Phil's investigation into unidentified objects off Catalina Island's coast heats up after the discovery of an extra-terrestrial underwater base.

'S5/E1'. Parker begins booting up his new gold mining operation in Alaska. When he can't find a wash plant, he travels to New Zealand for new kit - and big gold.

'S5/E2 - The Secret Sluice'. Parker and team track down a legendary miner on the gold-rich west coast of New Zealand. Parker is blown away by what he finds in the sluice.

'S1/E5 - Bolivia: The Atacama Desert'. Ed is in the world's highest, driest desert in Bolivia's isolated high plains. He must navigate his way to safety through perilous canyons in the blazing heat.

'S1/E6 - Panama: The Darien Gap'. Dropped on Panama's Pacific Coast, Ed faces a gruelling 10-day hike through the Darien Gap. Can he tackle one of the world's most perilous expanses of jungle?

'S3/E8'. Cheeny has a key advantage in a friction fire elimination challenge, but her strategy puts her at risk. Blisters on Matt's hand might send him home.

'S11/E12 - Aquavit And More'. How do they make Aquavit? How do kangaroos help protect motorcycle riders in a crash? How do they clean away years of grime from New York's St Patrick's Cathedral?

'S5/E1'. Parker begins booting up his new gold mining operation in Alaska. When he can't find a wash plant, he travels to New Zealand for new kit - and big gold.

'S5/E2 - The Secret Sluice'. Parker and team track down a legendary miner on the gold-rich west coast of New Zealand. Parker is blown away by what he finds in the sluice.

'S2/E12 - Into The Alien Ocean'. Jess and Phil's investigation into unidentified objects off Catalina Island's coast heats up after the discovery of an extra-terrestrial underwater base.

'S4/E5 - Plan B'. Creig's build struggles with the emotional scars of the bear mauling. Plus, Tom's surprise from the sky shifts the build into a new gear.

'S4/E6 - Independence Day'. Rich and his team race to stay ahead of the helicopter drops. And, an eight-point earthquake leaves Creig's build on shaky ground.

'S18/E14 - Favourite Hunting Grounds'. Drew takes fellow dealer Viki to some of the types of hunting ground which have helped to shape his unique take on decorative salvage and antiques.

'S1/E20 - Crushed GTO And Chopped '41 Ford Part 2'. The guys teach Thomas a lesson and crush the '71 GTO with a tank. Thomas buys a food truck, plus a '41 Ford to turn into a flaming hot rod!

'S1/E21 - '57 Corvette Part 1'. Thomas and Tom get a bargain '57 Corvette and help Sue buy a '56 Ford truck for the garage to rebuild. Tom's food truck arrives and a new team member joins.

'S3/E17 - I Still Haven't Found What I'm Looking For'. Shane has a grudge race that turns disastrous after the finish. A race night gets hostile when Dave and Reaper disagree on a call out.

'S3/E18 - I Will Follow'. The pressure is on the top racers. Chief and Boosted set up an emergency turbo school for a struggling Dominator, and Farmtruck and AZN find a flashy, orange fish.

'S3/E1'. Whether they take down a wall, dismantle a bomb or transport a plane to shred it, these Polish businessmen can make serious money from the tough job of scrapping metal.

'S3/E2'. Whether they take down a wall, dismantle a bomb or transport a plane to shred it, these Polish businessmen can make serious money from the tough job of scrapping metal.

'S11/E15 - Steel, Wool, Kiteboards'. 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?

'S11/E16 - Mattresses'. 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?

'S11/E17 - Plaster, Awards'. 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?

'S5/E1'. Parker begins booting up his new gold mining operation in Alaska. When he can't find a wash plant, he travels to New Zealand for new kit - and big gold.

'S5/E2 - The Secret Sluice'. Parker and team track down a legendary miner on the gold-rich west coast of New Zealand. Parker is blown away by what he finds in the sluice.

'S4/E7 - Don't Try This At Home'. Creig's carpenter Jim pays the ultimate price for building alone in remote Alaska. Plus, Rich's crew performs a balancing act to get out of the mud.

'S4/E8 - It's Getting Awkward'. Rich's build is down to two workers, which will make it difficult to reach their target. Plus, Creig's build is fraught with costly miscalculations.

'S19/E22 - Nautical Deathtrap'. Freak tides trap Sig in dangerous seas, as Jake battles to get to port. Rick attempts to turn a heart-wrenching tragedy into a triumph for Jacob.

'S1/E22 - '57 Corvette Part 2'. After weeks of delays, the team finish the '57 Corvette, making their biggest sale yet. Richard has doubts about the Food Truck, and Soup Bone is in trouble.

'S1/E23 - Sue's Custom '56 Ford Part 1'. Having sold the '57 Corvette for $80,000 the guys start on Sue Yu-Lan Martin's '56 Ford truck. When the guys go over budget, Tom asks Sue for money.

'S3/E28'. How do they make alcoholic spirits, sticking plasters and computer circuit boards? Find out as more everyday items are put under the microscope.

'S3/E29'. How do they make holograms, skin culture and tinned sweet corn? Find out as more everyday items are put under the microscope.

'S3/E1 - Terror In Appalachia'. Phil and Jess venture into the Great Smoky Mountains to investigate missing hiker reports and sightings of grotesque human-like creatures.

'S5/E3 - Floating Gold'. Parker sizes up a high-tech gold-catching machine capable of floating on water. Plus, a sudden storm threatens to trap the team on a New Zealand glacier.

'S5/E4 - Parker's Prospect'. Parker jumps at an unexpected offer for a new claim. Plus, he prospects Matt Dove's virgin ground in New Zealand's gold-rich Southern Alps.

'S7/E11 - Raney Returns: Quake And Break'. Marty races back to the Adams homestead in Alaska to fix quake damage and build a bear-proof shelter in hopes of keeping their homestead dream alive.

'S3/E9'. The final challenges test bushcraft, fire-making and bow skills. All competitors are seconds away from winning the $100,000 prize.

'S2/E11 - Putty Knives/Garage Doors/Electric Motors/Wool'. More everyday items are put under the microscope as we discover how they are made.

'S11/E15 - Steel, Wool, Kiteboards'. 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?

'S5/E3 - Floating Gold'. Parker sizes up a high-tech gold-catching machine capable of floating on water. Plus, a sudden storm threatens to trap the team on a New Zealand glacier.

'S5/E4 - Parker's Prospect'. Parker jumps at an unexpected offer for a new claim. Plus, he prospects Matt Dove's virgin ground in New Zealand's gold-rich Southern Alps.

'S3/E1 - Terror In Appalachia'. Phil and Jess venture into the Great Smoky Mountains to investigate missing hiker reports and sightings of grotesque human-like creatures.

'S4/E7 - Don't Try This At Home'. Creig's carpenter Jim pays the ultimate price for building alone in remote Alaska. Plus, Rich's crew performs a balancing act to get out of the mud.

'S4/E8 - It's Getting Awkward'. Rich's build is down to two workers, which will make it difficult to reach their target. Plus, Creig's build is fraught with costly miscalculations.

'S3/E1'. Whether they take down a wall, dismantle a bomb or transport a plane to shred it, these Polish businessmen can make serious money from the tough job of scrapping metal.

'S1/E22 - '57 Corvette Part 2'. After weeks of delays, the team finish the '57 Corvette, making their biggest sale yet. Richard has doubts about the Food Truck, and Soup Bone is in trouble.

'S1/E23 - Sue's Custom '56 Ford Part 1'. Having sold the '57 Corvette for $80,000 the guys start on Sue Yu-Lan Martin's '56 Ford truck. When the guys go over budget, Tom asks Sue for money.

'S3/E12 - Pride'. The OKC crew head south to race at the Texas Motorplex in the American Outlaws Live event, which attracts the biggest names in the business and the best the 405 has to offer.

'S3/E13 - Desire'. It's Round 2 of the American Outlaws Live event. The crew fights to get into the finals to win the $75,000 cash prize. Plus, Big Chief has a rematch with old rival Kai Kelly.

'S3/E3'. Whether they take down a wall, dismantle a bomb or transport a plane to shred it, these Polish businessmen can make serious money from the tough job of scrapping metal.

'S3/E4'. 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.

'S11/E18 - Car Windows'. 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?

'S11/E19 - Applejack'. 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?

'S11/E20 - Nickel, Locks'. 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?

'S5/E3 - Floating Gold'. Parker sizes up a high-tech gold-catching machine capable of floating on water. Plus, a sudden storm threatens to trap the team on a New Zealand glacier.

'S5/E4 - Parker's Prospect'. Parker jumps at an unexpected offer for a new claim. Plus, he prospects Matt Dove's virgin ground in New Zealand's gold-rich Southern Alps.

'S4/E9 - Muscle Power'. Remote building often means no machines. But that's no problem as Rich's team uses brute strength to muscle up the 800-pound mainframe beam.

'S4/E10 - No Quit'. While two builders battle gale-force winds and rain, it's a whale of a good time at the third site.

'S20/E1 - King Crab Derby'. The crab fishing season begins with a derby-style race. After losing the Saga, Jake joins Sig as co-captain. A fire on the Wizard traps Keith's deckhand below deck.

'S1/E24 - Sue's Custom '56 Ford, Part 2'. Thomas and Tom pick up a rusted '67 Chevelle to flip for money towards Sue Yu-Lan Martin's '56 Ford truck. Sue brings Richard Rawlings into the fold.

'S1/E25 - Guardian Of The Galaxie'. With a 48-hour deadline looming, the Fired Up Garage crew rush to complete Sue's '56 Ford truck, only to find their tools have been stolen!

'S3/E30'. How do they make plastic carrier bags, solar panels and plastic petrol containers? Find out as more everyday items are put under the microscope.

'S3/E32'. How do they make spectacle lenses, potato crisps and computer processors? Find out as more everyday items are put under the microscope.

'S3/E2 - The Van Meter Monster'. Horrified locals in Iowa are reporting sightings of a giant winged creature - the same mysterious beast that terrorized the town of Van Meter 100 years ago.

'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.

'S2/E3 - Portugal: Mini Moke'. Mike and Elvis head to sun drenched Portugal where the iconic Mini Moke has earned cult status. It's a car with a very special place in Mike's heart.

'S1/E2 - 2016 Subaru BRZ'. The boys get their hands on a stock Subaru BRZ. That won't do, so Nads and Amir add some affordable mods to turn it into a respectable track car.

'S1/E1 - Starting At The End Of Days'. In a scorched wasteland, 12 battle-tested veterans scavenge the ruins to survive. A rogue elephant forces a camp to make shelter from junked cars.

'S11/E18 - Car Windows'. 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?