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Richard explores elements that engineering projects have in common. And, he reveals how the challenges get bigger when something is built big.

A year and a half of metal grinding, panel matching, and a whole lot of copper all come together as the 'Copper Caddy' is finished for its show-stopping debut.

With Mandy alone at the helm, a freak accident threatens the Northwestern crew. And, Harley's launcher snaps at the worst possible moment.

Jane heads to the Arctic Circle hoping to bag a caribou before winter. Meanwhile, Otto, Eivin, Charlotte and August wrap up the season's final cattle drive.

The Bushmen risk their lives digging where opal thieves removed the ceiling supports. Meanwhile, the Blacklighters switch to dangerous night mining.

A Civil War spirit strolls along a battlefield. Plus, a researcher finds the remains of a sea dragon, and a ghost clocks in for the graveyard shift.

Katrina and Jack travel to Georgia to investigate the Savannah Theatre. This historic building has been shrouded in rumours of paranormal activity since the 1800s.

An armed trespasser threatens the Gold Devils' exploration mission. Plus, the Ferals uncover the biggest gold nugget of their mining careers.

Lee and LeAnn head to Indio Maiz after a deadly hurricane hits Nicaragua. With no shelter from the fallen canopies, how will they survive in the desolate rainforest.

Villagers face a new threat as outsiders descend on sacred hunting grounds. Charlie and James track a moose and make a disturbing discovery, and a vital spring dries up.

Builder Adam and his brothers deal with record-breaking spring temperatures. Plus, Dave and Hans nearly get stranded due to receding tides at the Island Getaway build.

Chase Morrill and his team take on a dated cabin in Belgrade Lakes. With a $40,000 budget they have six weeks to turn it into the perfect family retreat.

Part 1. As spring approaches, the Kilchers prepare for wildfire season. But when Covid-19 threatens the homestead, the family must come together and adapt.

Daring off-the-grid builders have created stunning waterfront homes, including an underground home on a rock quarry and an oceanfront tropical paradise.

The Victoria Diggers are back on the hunt for multi-million-dollar nuggets. Plus, rookie team the Dust Devils run into big trouble with a new dry blower.

Another powerful winter storm hits as Monte returns to the Wizard after dealing with his dad's funeral arrangements. Plus, Jake is faced with a tough decision.

With the winter crabbing season ending, the fleet battles monster waves. Then, veterans Sig and Steve form an unlikely alliance and Freddy suffers a bloody injury.

Off-the-grid contractor, Gregg Smith, battles the elements to build a cliffside retreat for a family wanting to reconnect in the Sierra Nevada Mountains.

The Raneys return to Alaska, but they find their homestead on complete disrepair. They race to build a steel tram before the deep freeze sets in again.

The worst storm in 20 years devastates some of the mines. New team the Blacklighters were forced to relocate 300km from their original mining town.

Shawn works overtime to cover for his exhausted crew. Kris is blindsided by the loss of his lead diver. Meanwhile, Emily jumps in to prevent a fuel spill.

Winter winds force the captains to reassess risk and reward. Shawn's mega-barge extraction worsens, and Ken pushes the Myrtle to the limit on a five-day run.

Richard opens a classic car restoration workshop but being the boss of a new business isn't quite what he expected. He ropes in his family to help promote it.

.. That's A Kevdogg. Don takes a rare 1952 Pontiac to Dave. But the guys find something lurking beneath the metal that threatens the whole build.

In the biggest storm of the season, Jake faces a life and death decision. Sig and Mandy haul through angry seas, while Josh and Casey gamble on quota.

Part 1. As spring approaches, the Kilchers prepare for wildfire season. But when Covid-19 threatens the homestead, the family must come together and adapt.

South Africa's Mponeng mine reaches 3,500km into the ground but its gold reserves are almost exhausted. Is it safe to bury even deeper into the earth.

Talking 'Bout Restorations? Dave takes on a restoration for clients celebrating their 25th anniversary. They've owned the car since they got married, so he adds custom pieces.

RV builder Newmar designs their most extravagant coach for a NASCAR fan. A Colorado engineer creates a self-sufficient off-road expedition vehicle.

New team, Alan and Salty, take the plunge in search of underwater nuggets. And, the Ferals hit a rich patch, but are forced to chase away thieves.

Gary and Karra's survival skills will be put to the test in Brazil's savannah region. After days of starvation, an unripe fruit causes one of them serious illness.

As a new road opens Tanana to the outside world, Charlie confronts and outsider in his own family. Meanwhile, Tanana native, Lorraine, recovers after critical surgery.

Builder Mike Williams is in a mad scramble to save his peonies from dying. Dave and Hans's 50 thousand pounds of material make it to shore unharmed.

Chase Morrill and his team are in Dedham, ME, to restore a camp that was once a schoolhouse. But, a serious case of rot threatens the project.

As arctic superstorm Elsa intensifies, a rare forecast warns of huge waves. Trapped in the crab-rich northern grounds, one boat faces a 60-foot monster.

During an artic storm, Cornelia Marie's crane comes off the rails causing injury and damaging equipment. But, this pales into insignificance when Sig gets a phone call.

A Cornelia Marie deckhand suffers a devastating blow that requires emergency surgery at sea by Casey. Meanwhile, Captain Sig is left behind awaiting news from home.

The gutsy miners of Canada's Yukon wilderness battle every physical and emotional obstacle that stands in their way - all in their quest for gold.

A broken spring on Chris' excavator could bring an early end to his season. Big boulders damage Guillaume's sluice, and Karl brings in a new worker.

The Tunnel Rats get the lifeline they desperately need. Meanwhile, veteran prospector Col Duff is preparing for a week-long opal hunt far from civilisation.

After an injury to one of their members, the Young Guns face a tough decision on how to continue mining. Plus, the Cheals break through to a long-lost underground mine.

Jacqui and Andrew feel the pressure as they battle hard rock ground that could ruin their latest deal. Plus, Shane and Russell search an ancient mine.

The Poseidon Crew are running out of time to find a 1,000-ounce nugget. The Gold Retrievers work through the night in an attempt to escape dangerous summer heat.

Shane and Russell take the biggest gamble of their season. Marcus, Linden and Dale desperately need new ground before intense heat shuts down their operation.

The Raneys help the Johnson family who have no drinking water or food sources. Their dogs have been killed by a mystery predator and worry they are next.

The Raneys assist two Montana homesteaders who face being trapped on their property. When a medical emergency strikes, the Raneys face their first ever failed rescue.

The Twetos' family airline battles arctic elements to transport supplies and people across Alaska. What does this season hold in store for the business.

Wildlife biologist, Forrest Gallante, scours the globe using cutting edge technology on his mission to find species that the world has stopped looking for.

Bear heads to Morocco's searing Sahara Desert to re-live the experience of desert survivors and face the extreme challenges they had to face. How will he get on.

Dr. Brad and Dr. Sarah treat twins that have identical toe problems. Plus, a woman born with a massive toe is desperate for Dr. Ebonie's help.

A Kenyan man developed a growth on his genitals as a boy, but it has swollen significantly. An American man with just one arm and finger gives motivational talks.