Viasat Explore

Mel and Alex are understaffed in Western Australia and get some desperately needed help for the Gold Devils, and the whole McGhies family pulls together to exploit a new gold-rich ground.

Wood and Won't. The late season push hits hard on his crew and equipment; as breakdowns add up, star operator Taylor reaches his breaking point, forcing a stand-off with the boss.

The inmates in the Carcel Distrital in Colombia fight many battles against other prisoners, against the guards, and most of all against themselves. It's a battle that most of them lose...

The Victoria Diggers suspect that all the gold from the mine shafts they're excavating has already been cleaned out, and Jake's new "vat leaching" plant delivers a 100-ounce motherlode.

A 1969 Road Runner gives Mike a run for his money while his generosity gets out of hand, and shop dog Lincoln gets a special surprise.

The Richardsons hunt for fresh sapphire grounds. Will this big gamble pay off? Lost underground, the Mifsuds have a radical solution. Ray and Paul enter a danger zone. "

Turbo gambles his truck and life to complete an epic journey home, logging trucker Brett battles dangerous mountain roads deep into a forest, and heavy hauler Yogi's new business is on the line.

Scrap metal merchant Russell is trying to get on the road to recovery, Macka McCreedy hits stormy seas hauling a world-famous yacht, and Bluezy and Noelene's routine run turns into a rescue mission.

Outback veteran Dennis battles to stay ahead of a tropical storm, Turbo pushes his pain barrier trying to keep his business on track, and heavy hauler Mark stakes his name on the job of his career.

Liz and Willie's helicopter finally gets airborne, Clarry's 14-year-old son Clay joins the team, Kurt begins the biggest job of the year, and Kodi finally gets a shot behind the wheel of a bull buggy.

Peter wants a Triumph Herald Convertible like the one he had when he first learned to drive; now a rarity, will 9,000 pounds be enough to find a good one?

Rupert has decided that life is too short not to follow his dream of owning a Morris Traveller; will Rupert's 13,000-pound budget stretch to a good one?

Eric loves open-top motoring, but his sports car is too low and he needs an automatic car; Sheldon and Peter therefore suggest a VW Golf Cabriolet that might stretch Eric's budget.

Norman has dreamt of owning a Volvo 850R since watching Volvo British touring cars race, but fixers Sheldon and Peter could struggle to bring Norman's dream to life.

John has wanted an Alfa Romeo Spider ever since watching Dustin Hoffman drive one in the film 'The Graduate', and now he is taking the plunge after a health scare.

The winter season is entering its final few weeks; the price of lobsters is north of $100 per kilo and a bunch of new boats are out trying to capitalise on the strong price.

On the plus side, the price of lobsters has spiked to a seasonal high.

There's one week to go until the winter hunting season is over; the Bold Contender is motoring south to Port Davey for one last roll of the dice, but skipper Squizzy won't be the only one out there.

Only three boats in the fleet of six are still at it - the Triton, the Bold Contender, and Ansons Bay.

Squizzy, the skipper of the Bold Contender, is heading out hoping to capitalise on the red-hot lobster price; he's hunting around southern Tasmania targeting 1900 brindle lobsters.

The team follows the failed route of a 1982 news team into the Valley of the Rocks, and Don and Taylor inspect possible Spanish mining artefacts.

David Muise teams with Adam for a new adventure in the search for Slumach's lost gold mine.

Kru and Daryl move earth in search of Slumach's gold, and Adam discovers a cave rumoured to be Volcanic Brown's final resting place.

Light is shed on the legend of Slumach, as an old map connects to an 1891 eyewitness account of his hanging.

A recurring marker points to a lost Spanish gold mine directly on Slumach's path to the gold.

Who will claim the top spot on this season's tally board? It's Squizzy versus Bryce versus Myles - and it's anyone's game.

The province's largest dry dock tackles a rare double docking of two massive ferries, and one veteran skipper finds success on the Grand Banks while another delivers goods to remote communities.

Paul Mackie and his mine rescue team must haul a crew of first-time goldminers out of an epic three-year gold drought before their operation and family legacy ends in ruin.

Paul Mackie and his team of gold mining experts travel to the Pilbara region in Western Australia to help an Indigenous family's gold mining operation save itself from imminent financial disaster.

Paul and the SOS team take on a mining mystery as they try to find and fix the causes of a two-year dry streak that threatens to end the prospecting dreams of rookie miners Chris and Vince.

Paul's mine makeover team help a team of ex-servicemen become skilled goldminers as they strive to fund their veteran's charity and overcome the crippling legacy of their service via prospecting.

Paul's team deal with hardship and heartbreak as they help up-and-coming prospector Jarrod Crosbie; Jarrod is trying to pursue his dream of abandoning the city to become a full-blown prospector.

Who will claim the top spot on this season's tally board? It's Squizzy versus Bryce versus Myles - and it's anyone's game.

The province's largest dry dock tackles a rare double docking of two massive ferries, and one veteran skipper finds success on the Grand Banks while another delivers goods to remote communities.

Turbo's feeling the heat with engine problems, Mark Cromwell is riding a highway through hell on the job of his career, and Heather Jones is battling disaster to deliver a huge crane.

New recruit Sherl hopes to restore faith with his bosses on Team Cook, and Clarry's Indigenous clients dream of building a new life on their ancestral lands using proceeds from caught bulls.

The Cooks' latest purchase - a brand-new helicopter - can't seem to get off the ground, and Kurt Hammar's youngest son Kodi has dropped out of school to become a bull catcher.

Marcus hits his biggest gold of the season, the Dust Devils battle machine breakdowns and impure gold, and the Gold Timers' luck is finally on the up.

Jacqui and Andrew finally strike gold, the Poseidon Crew break ground on their colossal new lease, and Shane and Russell risk coming face to face with wild dogs that hunt the outback.

An undersized excavator forces Rob to consider quitting the Ferals, Marcus and Linden confront a rival prospector, and expert help pushes the Gold Timers closer to their dream.

The Dust Devils' critical water supply runs dry, Jacqui and Andrew unearth their biggest haul so far, and torrential rain could shut down the Poseidon Crew for weeks.

Shane and Russell battle freak rains, a blown circuit could destroy the Poseidon Crew's chances of a record weigh-in, and the Ferals deliver their biggest haul of the season.

The province's largest dry dock tackles a rare double docking of two massive ferries, and one veteran skipper finds success on the Grand Banks while another delivers goods to remote communities.

Who will claim the top spot on this season's tally board? It's Squizzy versus Bryce versus Myles - and it's anyone's game.

The Gold Devils set their sights on a record-breaking total, and a gold drought causes one member of the Poseidon Crew to question his future.

The Gold Devils move their multi-million-dollar operation in search of big gold, and the new team of Vince, Bibi and Murray break ground on their dream lease.

The Ferals are on the gold when a four-wheeler crash leaves them a man down, and the Poseidon Crew battle to overcome a catastrophic mechanical failure.

The Gold Devils pin their hopes on an exploration mission to a rugged outback lease, and flood waters wreck the Gold Retrievers' new plant.

The Ferals lose a team member in the unforgiving outback, and Shane gets an attractive offer that could break up his partnership with Russell.

Jacqui and Andrews' big gold dreams are stalled by communication issues, and the Poseidon Crew battle wet weather to unearth a monster pay day.

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

The new team of 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.

Shane uses a clever bush fix to get himself out of a jam in the remote outback, and the Gold Retrievers find a gold-rich quartz vein that could hold the motherlode.

The Poseidon Crew battle challenging terrain in the mountains of High Country Victoria, and promising signs could lead the Gold Devils to a million-dollar pay day.

The team have managed to build up their mining operation from scratch and finally strike gold against the odds, but Greenland's weather is about to stop them in their tracks.

The team battle the remnants of Hurricane Larry and are determined to risk everything in the final week of the season as Ray embarks on one last expedition that could make their dreams come true.

Early 1900s newspaper reports claim that Taylor's ancestor Slumach placed a curse on his mine; a history of missing and dead prospectors support this claim, but where does legend end and truth begin?

The newly-discovered testimony of an elderly Indigenous woman claims to know where Slumach found his gold; after returning from their expedition empty-handed, a disturbing vision has Kru rattled.

When prospector Volcanic Brown went missing in 1931, rumours of his disappearance tied him to Slumach's gold; Don and Taylor investigate a strange marking on prospector tools found in the Upper Pitt.

Eric loves open-top motoring, but his sports car is too low and he needs an automatic car; Sheldon and Peter therefore suggest a VW Golf Cabriolet that might stretch Eric's budget.

Norman has dreamt of owning a Volvo 850R since watching Volvo British touring cars race, but fixers Sheldon and Peter could struggle to bring Norman's dream to life.

John has wanted an Alfa Romeo Spider ever since watching Dustin Hoffman drive one in the film 'The Graduate', and now he is taking the plunge after a health scare.

The Cooks' latest purchase - a brand-new helicopter - can't seem to get off the ground, and Kurt Hammar's youngest son Kodi has dropped out of school to become a bull catcher.

Liz and Willie's helicopter finally gets airborne, Clarry's 14-year-old son Clay joins the team, Kurt begins the biggest job of the year, and Kodi finally gets a shot behind the wheel of a bull buggy.

Paul Mackie and his mine rescue team must haul a crew of first-time goldminers out of an epic three-year gold drought before their operation and family legacy ends in ruin.

Paul Mackie and his team of gold mining experts travel to the Pilbara region in Western Australia to help an Indigenous family's gold mining operation save itself from imminent financial disaster.

Paul and the SOS team take on a mining mystery as they try to find and fix the causes of a two-year dry streak that threatens to end the prospecting dreams of rookie miners Chris and Vince.

Paul's mine makeover team help a team of ex-servicemen become skilled goldminers as they strive to fund their veteran's charity and overcome the crippling legacy of their service via prospecting.

Paul's team deal with hardship and heartbreak as they help up-and-coming prospector Jarrod Crosbie; Jarrod is trying to pursue his dream of abandoning the city to become a full-blown prospector.

The Mine SOS team have just six days to install a full-scale hard rock mining operation and deliver a potentially life-changing payday for hard rock rookies Nathan Malatesta and Steve Ogilvie.

Bryce races out early, Myles tops the tally board while Jack remains grounded, and a mystery skipper enters the picture.

Jack makes it out to sea while the rest of the fleet are hunting in deep water, and Bryce's antics cause tempers to fray.

Bryce pranks a superstitious Squizzy, Myles comes under attack from sea lice, and Jack hits a rock and is in deep trouble.

Myles has a deckhand decision to make, Bryce rockets up the tally board, and Squizzy heads to a casino in the sea.

Myles and Timmy are at breaking point, Squizzy's risky gamble pays off, and Bryce rockets to the top of the tally board.

Jock gets naked, chaos grips the Pera, and Squizzy drops an undersized lobster into his tank and risks massive fines.

A power tide swallows ten of the Bold Contender's pots, and Myles secretly motors into Pedra Branca to take on Squizzy.

Bryce lands some monster lobsters, Squizzy cannot find his ten missing pots, and Myles hits the lobster grand jackpot.

Who will claim the top spot on this season's tally board? It's Squizzy versus Bryce versus Myles - and it's anyone's game.

Myles has a shocking final shot, Rhino claims an early season victory, and Bryce's 100,000-dollar haul hangs in the balance.

It's almost the end of the mining season. Water in the dam means one last chance for sapphires for Max and Glenn. It's terror in the tunnels for Todd and Brianna.

Second part of the harrowing look behind the walls of the infamous Carcel Distrital prison in Colombia. (Series 2,

As the end of the season approaches, the Scrappers are over $185,000 short of target, the Dirt Dogs' season is on the ropes, and the Victoria Diggers' job becomes dangerous as a heavy storm strikes.

The Dirt Dogs' massive dry blower shuts down due to extreme 50-degree Celsius temperatures and the Mahoneys and Gold Gypsies take a last-minute gamble that delivers big gold.

Mike battles to finish the Road Runner, trading gets nuts with Big Donny, and the crew help a million-dollar build get to the Detroit Autorama.

It's tough running a sapphire mine, and the Mifsuds are learning that the hard way; Ray and Paul use their 40-tonne drilling rig to punch a hole down to meet up with some old tunnels.

Outback veteran Dennis battles to stay ahead of a tropical storm, Turbo pushes his pain barrier trying to keep his business on track, and heavy hauler Mark stakes his name on the job of his career.

Turbo's feeling the heat with engine problems, Mark Cromwell is riding a highway through hell on the job of his career, and Heather Jones is battling disaster to deliver a huge crane.

Scrap metal merchant Russell McDonough battles waterlogged tracks in the desert, Yogi's super-sized load is on a knife edge, and Corey Chapman's volatile load gets a shake-up in the remote outback.

On the cusp of completing their biggest job of the year, Liz leads Team Cook through dust, mud, and barbed wire - meanwhile, Clarry is determined to make target for his Indigenous clients.

Mel and Alex are forced to explore dangerous old mine shafts looking for a new source of gold in Western Australia, and the Heli Hunters race to stake a claim and finish their season.

Towering flames destroy a national treasure in Glasgow, flooding devastates a farming community in New Zealand, and tragedy strikes in Texas after a fatal leak at a chemical plant.

The team follows the failed route of a 1982 news team into the Valley of the Rocks, and Don and Taylor inspect possible Spanish mining artefacts.

Shane uses a clever bush fix to get himself out of a jam in the remote outback, and the Gold Retrievers find a gold-rich quartz vein that could hold the motherlode.

The Poseidon Crew battle challenging terrain in the mountains of High Country Victoria, and promising signs could lead the Gold Devils to a million-dollar pay day.

It's tough running a sapphire mine, and the Mifsuds are learning that the hard way; Ray and Paul use their 40-tonne drilling rig to punch a hole down to meet up with some old tunnels.

The Valdimar's newly-appointed deckhand Greg Jones is battling debilitating injuries; first mate John Johnsson escorts Greg to the doctor personally to have his wrist and knee injuries assessed.

Meanwhile, the Gold Gypsies strike a deadly threat.

Rick Fishers pays it forward to a couple of rookies, Ted and Lecky put some hard graft into some hard rock, and when the Dirt Dogs catch some poachers red-handed, things turn a little 'Western'!

Catastrophe strikes a lakeside community in Canada as an oil train explodes in the heart of downtown, and what triggered a massive explosion that devastated a rural town in Nebraska?

David Muise teams with Adam for a new adventure in the search for Slumach's lost gold mine.

Huge floods and a mini tornado have almost paralysed Gemfields, but the district has been desperate for water for years, and a little destruction won't stop the miners from trying.

It's halfway through the fifth fishing trip, and Caitlin Krause is no longer a greenhorn; she's passed her extended trial period learning how to become an Icelandic deckhand.

Neville and Mick's final hunt of the season is set to deliver another monster nugget; Dirt Dogs' Jake secures a last-minute deal; Scrapper Alex pays the ultimate price for gambling his life savings.

The Victoria Diggers are back chasing multi-million dollar nuggets, rookie team the Dust Devils' new dry blower grinds to a halt, and tragedy strikes the Gold Gypsies.

Ice experts in the air and on land monitor for icebergs and melting sea ice, and a remote community gets a crucial delivery.

Bryce pranks a superstitious Squizzy, Myles comes under attack from sea lice, and Jack hits a rock and is in deep trouble.

Go behind the bars of one of Mexico's toughest jails, El Hongo, reputedly controlled by a notorious drug cartel.

Neville and Mick's final hunt of the season is set to deliver another monster nugget; Dirt Dogs' Jake secures a last-minute deal; Scrapper Alex pays the ultimate price for gambling his life savings.

The Victoria Diggers are back chasing multi-million dollar nuggets, rookie team the Dust Devils' new dry blower grinds to a halt, and tragedy strikes the Gold Gypsies.

Avery discovers a 1942 Harley-Davidson buried among Mike's junk while Mike helps Cassidy's off-road dreams come true.

Huge floods and a mini tornado have almost paralysed Gemfields, but the district has been desperate for water for years, and a little destruction won't stop the miners from trying.

Scrap metal merchant Russell McDonough battles waterlogged tracks in the desert, Yogi's super-sized load is on a knife edge, and Corey Chapman's volatile load gets a shake-up in the remote outback.

Russell McDonough's outback nightmare continues with no end in sight, Yogi has some quality family time but faces trouble ahead, and Joey Granich risks his life taking on a pack of angry bulls.

Russell McDonough is in the midst of an outback nightmare, when a track collapses under the weight of his rig. Meanwhile, Yogi has some family time, but trouble lies ahead.

Gale-force winds tear across the outback, causing pandemonium for bull catchers; when hats and helicopters are tossed around by 40-knot winds, Kurt must weigh his goals against the safety of his team.

Alan and Salty encounter bullets and crocodiles as they seek gold in the Cape York rainforest, the Brumbies face another breakdown, and the McGhies' hopes are crushed by multiple machine breakdowns.

Catastrophe strikes a lakeside community in Canada as an oil train explodes in the heart of downtown, and what triggered a massive explosion that devastated a rural town in Nebraska?

David Muise teams with Adam for a new adventure in the search for Slumach's lost gold mine.

The Gold Devils race against the elements, Jacqui and Andrew push to new extremes, and mechanical issues leave the Ferals divided.

Alan and Salty hit a dead end in the remote Kimberley region, Vince, Bibi and Murray are forced to break new ground in Victoria, and the Gold Retrievers struggle with their misfiring wet plant.

Huge floods and a mini tornado have almost paralysed Gemfields, but the district has been desperate for water for years, and a little destruction won't stop the miners from trying.

It's halfway through the fifth fishing trip, and Caitlin Krause is no longer a greenhorn; she's passed her extended trial period learning how to become an Icelandic deckhand.

Meanwhile, Henri and Kellie are running out of supplies as they race towards the season's finish line.

The Dirt Dogs face a heavyweight headache, the Gold Gypsies tear into an all-or-nothing final mission, and Rick goes all out to save his season.

A vast sinkhole swallows a van in New York, a massive blast rocks a San Juan suburb in Puerto Rico, and an earthquake tears into an office building in New Zealand's capital of Wellington.

Kru and Daryl move earth in search of Slumach's gold, and Adam discovers a cave rumoured to be Volcanic Brown's final resting place.

It's almost the end of the mining season. Water in the dam means one last chance for sapphires for Max and Glenn. It's terror in the tunnels for Todd and Brianna.

Greg is gone after leaving the crew in the lurch just an hour before Captain Frosti was set to depart, so 29-year-old Andrew Neystel is brought in as his replacement.

The Poseidon Crew face a financial disaster, the Victoria Diggers' $150,000 wash plant arrives with horrendous damage, and rookie team The Goldtimers put their families' future on the line.

The Dust Devils' entire operation is forced to shut down as The Poseidon Crew's dig zone floods, forcing them to abandon their deep pit mining and defend their detecting patch from rival prospectors.

From Leonardo Notarbartolo's audacious Antwerp diamond heist to an eerie underground bone factory in West Bengal, this episode unveils the extreme lengths criminals go to to evade capture.

Ash camps beside the Qin section of the Great Wall anticipating sunrise, wrestles an Inner Mongolian champion, learns survival techniques from a desert expert and searches for a lost city.

Armavir prison is Armenia's declaration of war on gangster culture; those who come in here hope not to be locked in the cell blocks of its mysterious criminal brotherhood.

The Poseidon Crew face a financial disaster, the Victoria Diggers' $150,000 wash plant arrives with horrendous damage, and rookie team The Goldtimers put their families' future on the line.

The Dust Devils' entire operation is forced to shut down as The Poseidon Crew's dig zone floods, forcing them to abandon their deep pit mining and defend their detecting patch from rival prospectors.

Mike looks for redemption at a demolition derby that Avery enters a car of his own at, and Mike also restores a 1965 GMC van with an emotional past.

It's almost the end of the mining season. Water in the dam means one last chance for sapphires for Max and Glenn. It's terror in the tunnels for Todd and Brianna.

Russell McDonough is in the midst of an outback nightmare, when a track collapses under the weight of his rig. Meanwhile, Yogi has some family time, but trouble lies ahead.

Dirt road veteran Dennis Dent goes head-to-head with a lifelong nemesis. Meanwhile, Christian Reynolds takes on the wild back country on a vital mission to build a bridge.

Standing between Turbo and home is a gruelling stretch of road - the Nullabor Plain - Ewan is hauling 30 million bees, and Christian's mission has reached the Goyder river.

Gale-force winds tear across the outback, causing pandemonium for bull catchers; when hats and helicopters are tossed around by 40-knot winds, Kurt must weigh his goals against the safety of his team.

It's the end of the season for two teams in Western Australia; as the McGhies battle accidents and mechanical problems, a rich source of gold may have disappeared when the Gold Devils need it most.

A vast sinkhole swallows a van in New York, a massive blast rocks a San Juan suburb in Puerto Rico, and an earthquake tears into an office building in New Zealand's capital of Wellington.

Kru and Daryl move earth in search of Slumach's gold, and Adam discovers a cave rumoured to be Volcanic Brown's final resting place.

The Gold Devils battle on after losing a team member, the Ferals' nugget trail goes cold, and Jacqui and Andrew face a night-time detecting mission for lost gold.

The Gold Devils gamble on a potential motherlode, Alan and Salty go offroad in the extreme wilderness of the Kimberley, and Shane and Kate try to get two wet plants going but run out of water.

It's almost the end of the mining season. Water in the dam means one last chance for sapphires for Max and Glenn. It's terror in the tunnels for Todd and Brianna.

Greg is gone after leaving the crew in the lurch just an hour before Captain Frosti was set to depart, so 29-year-old Andrew Neystel is brought in as his replacement.

The Dirt Dogs head into Kalgoorlie to process the gold from their heap leach and Kellie and Henri race against time to peg a lucrative lease.

A large haul has the Dirt Dogs believing they can hit a million-dollar target this year; the Gold Gypsies hope a new lease will answer their prayers; the Scrappers have built a gold processing plant.

Tragedy strikes in Puerto Rico as an explosion takes down a popular shoe shop, and an earthquake in California reveals a flaw that could put dozens of skyscrapers at risk.

Light is shed on the legend of Slumach, as an old map connects to an 1891 eyewitness account of his hanging.

The Old Timers have bought a new claim sight unseen, the Apprentices try to connect a mine shaft to their underground drive, and the Kids strike an agreement with their neighbour, but will it pay off?

Andrew begins his second trial week on the Valdimar - and now under the gaze of Captain Frosti - and Caitlin must step up when the rocky sea bed of Thor's Bank threatens the Pall Jonsson longline.

The Gold Gypsies make a discovery that could catapult their season, the Victoria Diggers hit red tape - pushing Neville to the edge - and the Goldtimers confront gold thieves.

The Poseidon Crew receive devastating news about their mining permits, the Dust Devils gamble big on a huge quartz reef, and Shane and Russell strike gold right on their doorstep.

Mountains are one of the greatest challenges a railway faces; we investigate daring railway engineering, from tunnelling through the Swiss Alps to a 19th-century engineering masterpiece in Australia.

From the extraordinary to the ridiculous, this series uncovers the epic fails and near misses engineers would rather not talk about. We analyse what went wrong and reveal how they are being fixed.

A look behind the bars of La Mesa prison, in Mexico, where in 2008 two riots left 19 prisoners dead and 12 injured.

The Gold Gypsies make a discovery that could catapult their season, the Victoria Diggers hit red tape - pushing Neville to the edge - and the Goldtimers confront gold thieves.

The Poseidon Crew receive devastating news about their mining permits, the Dust Devils gamble big on a huge quartz reef, and Shane and Russell strike gold right on their doorstep.

A 1938 Buick brings out the best in Mike, a classic van delivers nothing but problems, and Mike and Avery hit the dance floor.

The Old Timers have bought a new claim sight unseen, the Apprentices try to connect a mine shaft to their underground drive, and the Kids strike an agreement with their neighbour, but will it pay off?

Standing between Turbo and home is a gruelling stretch of road - the Nullabor Plain - Ewan is hauling 30 million bees, and Christian's mission has reached the Goyder river.

Steve is gearing up for another mission, Yogi is about to begin an important cross-continental run, and Russell is desperate to make up lost time and money after a lung infection left him off work.

Turbo is on the warpath as he takes the biggest gamble of his life, Steve Grahame battles 2000km of dirt, damage and dramas, and Glenn Waters faces disaster at the wheel of a monster load.

Record cattle prices and a wet season have turned the outback into a gold mine for bull catchers; husband-and-wife team Liz and Willie Cook are expanding their empire, but with ever-increasing debt.

Jacqui and Andrew must push through hostile country with their quad bike broken to find gold, and Neville and the Poseidon Crew get to explore German Gully to search for a legacy for Nev's family.

Tragedy strikes in Puerto Rico as an explosion takes down a popular shoe shop, and an earthquake in California reveals a flaw that could put dozens of skyscrapers at risk.

Light is shed on the legend of Slumach, as an old map connects to an 1891 eyewitness account of his hanging.

The Poseidon Crew are forced back onto an old lease in flooded Victoria, Shane and Kate call in help in Western Australia, and Jacqui and Andrew get separated at night in far north Queensland.

Disaster strikes the Gold Devils with just weeks left in their season, the Gold Retrievers put their gold dreams on the line, and Vince, Bibi and Murray take a big risk investing in new machinery.

The Old Timers have bought a new claim sight unseen, the Apprentices try to connect a mine shaft to their underground drive, and the Kids strike an agreement with their neighbour, but will it pay off?

Andrew begins his second trial week on the Valdimar - and now under the gaze of Captain Frosti - and Caitlin must step up when the rocky sea bed of Thor's Bank threatens the Pall Jonsson longline.

The Dirt Dogs' "Heap Leach" plant is in trouble; the Scrappers finally make it onto the goldfields with their new machine; daughter Tyler joins husband and wife prospecting team Ted and Lecky Mahoney.

Meanwhiles, thieves also strike a devastating blow for Rick.

A New Jersey neighbourhood is devastated by a factory explosion, a packed train crashes into a river in New Zealand, and a new state-of-the-art hospital in Liverpool in the UK is plagued by problems.

A recurring marker points to a lost Spanish gold mine directly on Slumach's path to the gold.

The Bushies are back and hope for a change of luck, the Richardsons return to an old claim to see if it's worth reopening, and Todd and Brianna divide and conquer to keep their business ticking over.

Greenhorn Andrew begins his final trial week on the Valdimar, deckhand Caitlin faces a week at sea with the crew one man down, and both boats return to their shared home port for the Christmas break.

Marcus and Linden are accused of illegal prospecting, the Goldtimers strike it lucky with a gold-rich patch, and the Victoria Diggers are desperate but receive a lifeline from their neighbour.

Crippling permit delays force the Poseidon Crew in search of bush gold to survive, the Gold Gypsies discover a bounty of fine gold, and the Dust Devils' gamble ends in a huge mechanical failure.