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For the first time, Captain Sig faces a man overboard. The tide turns for Johnathan when thousands of porpoises guide the Time Bandit to new grounds.

The Poseidon Crew are slowed down by fierce storms. Jacqui and Andrew encounter a deadly insect, while the Gold Timers try to fix their dry blower.

Nine series veterans try to survive the deadly jungles of Ecuador's Amazon basin for 40 days and 40 nights. Hit by injury and hunger, they're pushed to the edge.

The seven remaining survivalists enter week two of their brutal challenge in the Amazon. After two tap-outs in the first four days, their priority is to find food.

Mike and Tay build a commemorative clock for the town of Kannapolis, North Carolina, before the crew heads back to salvage items left behind on the first trip.

The crew stays local and heads just down the street in Roanoke where they salvage a one-of-a-kind sign and pick through an old meeting hall.

Kris must move fast in the face of a life-threatening incident. Vernon pushes a diver for a personal record, and Shawn deals with a crack in the ice.

Underdog. A massive blizzard is about to hit Nome, Alaska, and bring the mining season to an end. Zeke risks one last move, while Shawn hits a big jackpot.

Jacqui and Andrew get trapped behind the line of a devastating bushfire. The Gold Devils are torn apart when a team member goes off on their own.

Julia's first mission is a giant python in a living room. Then, she tries to catch a snake trapped in an air conditioning box.

The King Crab Season comes down to the wire, as the struggling skippers battle to top off their quotas. Who will land a bumper haul in this end of season sprint.

It's the start of the 2009 Crab Season, and things are looking up for our spectacular skippers. But will their dreams been shattered by a colossal rogue wave.

A dangerous storm threatens to shut down the operation just as Darrell and team discover gold ore in the remains of an old wreck.

Josh Gates journeys to the wilds of Namibia to embark on a treacherously deep dive in Lake Otjikoto for a long lost World War I treasure.

Josh has a fresh lead on a shipwreck from 1715 with a potentially massive treasure haul. He launches an expedition into Florida's Atlantic coast.

In Hawaii the Raneys attempt to save two homesteaders whose dream homestead lays a flash-flood zone. As the weather closes in, can they save the property from the water.

In Oregon, the Raneys are called in to help snowbound homesteaders. Exposed to local predators, they worry about the region's forest fires.

Justin gambles thousands of dollars as he is struggling this season. Kelly is in desperate need for a big find underground and Aaron and Greg's claim might pay off.

The Rookies' relationship is on the rocks as they battle their biggest claim yet. With two partners working at different speeds, there's a fight brewing.

Superbowl fever hits The Cornelia Marie, an injured crewman creates jeopardy on the Wizard, the Cape Caution makes a near fatal error, and the Time Bandit loses a Captain.

The polar ice descends, threatening the end of season. Sig attempts to offload his crab before saving his gear, and Casey shows Josh what it means to be a Captain.

The crew kicks off a new waterside build, but a surprise call from the homeowners could change everything.

Mark and the guys make the seven-hour trek to Dubois, Indiana, to salvage a cabin picked by the youngest member of the crew.

Shane and Russell gamble on a unique wash plant. The Poseidon Crew search for an ancient river gutter, while Jacqui and Andrew battle intense heat.

As they approach the halfway point of their brutal challenge, the remaining survivalists face a devastating setback when deadly bacteria threaten to take out their leader.

After the loss of their chief provider, the remaining five survivalists endure yet another shocking development when they learn they are not alone in the Amazon.

The team heads to a local shopping centre to salvage a large, decorative frame, rolling doors and more. They also find great items from a pick in New Jersey.

The crew salvages an old country store. Using materials from the project, Mike and Robert create a tribute bench for a veterans' retreat.

Part 1. Mining empires clash in the epic battle to dominate Nome. Mr. Gold has a plan to yield 3000 ounces, while the Kellys impress a new investor.

Part 2. Mining empires clash in the epic battle to dominate Nome. Mr. Gold has a plan to yield 3000 ounces, while the Kellys impress a new investor.

Shane is lured out of retirement to find gold on Messenger's Patch. After pushing through a dust storm, Neville is called home for hospital tests.

Land Of The Brown Snake, The. First up, Julia tackles two snakes in a crowded garage. Then, she deals with an eastern brown snake, the second most venomous snake in the world.

When the fleet arrives on the Opi grounds a skipper regrets sending his men out in savage weather to save the boat - there are no second chances on the Bering Sea.

Three weeks in, the miserable conditions already have the crabbers turning on each other. Plus deadly ice stands between one skipper and the safety of harbour.

Leading to one of the richest finds in Darrell's career, the team discovers ornate artefacts that indicate the location of a 16th century captain's quarters.

Explorer Josh Gates journeys to Jerusalem and Istanbul searching for lost pieces of the cross from the crucifixion of Jesus Christ.

Josh Gates heads to Israel and Ethiopia to search for the lost Ark of the Covenant, the sacred relic said to contain the Ten Commandments.

The Raneys face a swamp nightmare in Georgia. They must find an ingenious way to reclaim the Buchannans' land from a snake and gator-infested swamp.

It's the last chance for the Rookies' partnership. Meanwhile, the Cooke brothers fight busted hoses and breakdowns in their quest to strike it rich.

Rookie Justin struggles to get his 20-tonne excavator across an extremely busy highway. Plus, Opal Queen Kelly tackles a new challenge with a new partner.

We Have Not Yet Begun to Fight. As the polar ice descends, The Saga is in danger of sinking, Jake must act fast to save his crew, and Josh gambles big-time by heading towards danger.

Responding to recent UFO sightings, Josh Gates sends his team to New Mexico for a new investigation into the infamous, unsolved Socorro Landing Incident.

The team discover tree structures on different sides of the same mountain. As a storm approaches, Bryce prepares to pinpoint Bigfoot's location.