It's crunch time for two captains as the end of fishing season approaches.

When Sig rejects Jake's partnership offer, it sparks an intense feud between the pair. Plus, Josh Harris works hard to prove himself as captain of his father's boat.

Jake becomes suspicious of Captain Keith's true intentions when he offers to take him on as an apprentice. Plus, Sig plots his revenge against his newest rival, Jake.

Sean and Casey forge an alliance but when one strikes crab, will he betray it? Plus, will Wild Bill's risky new bait and fishing strategy pay off big?

Sig heads off the grid on a daring midnight mission, hoping to shake his rivals. Plus, Keith receives big news from his doctor regarding a mystery illness.

Keith struggles to keep the Wizard afloat as a flooding collision void threatens to sink him. Plus, Jake is left stranded when a boat part goes missing.

A massive Arctic hurricane causes treacherous conditions, threatening to capsize the Saga. As the captains rush to the harbour, Wild Bill heads into the storm.

Sig seeks revenge for his son-in-law's prank. Jake faces sudden challenges in freakish weather. Josh and Casey make a bet. Wild Bill fights to make his last delivery.

A US Coastguard chopper attempts a dangerous rescue as Sean and Josh seek help from above. Edgar takes a major gamble and rejects advice from brother Sig.

A serious illness forces Keith to hand over the Wizard. Josh fights for the helm despite a bad showing. Meanwhile, major engine trouble threatens Wild Bill's season.

A huge tidal surge threatens Josh and Monte as they chase their bounty deep into an Arctic storm. Meanwhile, Wild Bill hopes to get his broken boat off the dock.

Captain Jake is hit with a ship-wide blackout, and Sean is hit with a mechanical break. Unable to fish, Keith hopes to recruit an unlikely person to save his business.

Accidents hit the decks. As winter rocks the fleet with huge swells and strong winds, the Bering Sea takes a brutal toll on a rookie. On the Wizard, mutiny is looming.

Sig races to offload his tanks before losing half a million dollars in crab. Plus, tension between co-captains reaches breaking point in the Wizard's wheelhouse.

It's baptism by fire aboard the Northwestern as Mandy takes her first shift in heavy seas. Plus, the Wizard crew battles over one man who isn't pulling his weight.

An epic supermoon storm wreaks havoc on tides. The Coast Guard attempts a rescue mission, while Wild Bill faces his worst nightmare as a greenhorn goes overboard.

Saga and Cornelia Marie battle colossal waves of the supermoon storm. Plus, on the Summer Bay, a deckhand goes over the rail into the icy Bering Sea.

Sig pushes Mandy to invade the Cornelia Marie's ground, sparking a battle for the crab. Plus, a Saga distress signal sends panic across the fleet.

A severe arctic gale batters the fleet, forcing captains to fight extreme wind and waves. For a second time, a greenhorn's life hangs in the balance on Summer Bay.

As rogue waves threaten to capsize their boats, Jake and Sean must make life or death decisions for their crews. Wild Bill faces a choice that could end his career.

Captains take on the steepest waves yet in an epic final surge to hit their quotas. Jake deals with a crew injury on deck and engine failure causes trouble for Sig.

Hours before king season, a huge new boat with a renegade captain finds the crab are all in one spot. The fleet races to find the hoard and fight for their share.

An old rivalry heats up between Harley and Keith while the fleet chases the king crab super swarm. Rookie captain Mandy hopes to guide the Northwestern to success.

Amid the heaviest competition in years, Mandy holds a steady course and hits the king crab jackpot. Jake aims for bigger bounty despite continuous mechanical issues.

The first arctic storm of the season arrives and Saga's deck boss takes a knife to the ribs. Bill tries out a new management style to motivate a lazy greenhorn.

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

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.

Jake must confront his disorderly crew, forcing him to make a tough decision. Meanwhile, Keith deals with a knife injury to one of his deckhands.

The coldest weather in nearly a decade threatens to crush hulls and freeze the sea. Meanwhile, a shocking mishap leaves one of the Hansens grasping for their life.

With winter intensifying, Sean faces an engine room fire. Plus, Harley offers his nephew a job as a deckhand, but the rest of the crew are not impressed.

The fleet reels from the loss of deck boss Nick. Wizard and Cornelia launch early into a massive Arctic storm. Plus, shocking news forces Sig to change his plans.

When Johnathan trusts his instincts more than his partners, the Time Bandit appears in the Northern Grounds just as Josh and Casey need him most.

As seawater floods in, Wild Bill's crew rushes to find a hole in the Summer Bay's hull. Johnathan faces a fire on the Time Bandit and the Saga has a hydraulic failure.

A catastrophic collapse of the Northwestern’s crane leaves Sig and Mandy with no way to haul pots. On the Cornelia Marie, a deckhand narrowly escapes disaster.

Wild Bill enlists Jake’s diver to attempt a risky underwater repair. Sig makes a desperate bid to save his gear from the descending ice pack.

Sig and Mandy rush to re-join the fray ahead of a fast-moving ice edge. On the Cornelia Marie Josh and Casey's race to save their pots comes at a heavy cost.

A wound side-lines Wild Bill's new rail man and injuries on the Time Bandit take out two crew. Josh and Casey apply frontier medicine to a bleeding deck boss.

As canneries unexpectedly change delivery rules, captains must race to get to the front of the line. Jake risks a daring entry into St. Paul harbour.

Captains scramble to meet an expanded quota in the path of a violent storm system. A breakdown on the Wizard puts Monte in debt to the Time Bandit.

An Arctic storm blasts the fleet as Sig ventures to waters he hasn't fished in 17 years. The Time Bandit steers into 30-foot waves in a risky run toward Russia.

Josh and Casey follow a blind tip from an unknown fisherman into uncharted waters. Johnathan fears for the worst when Freddy lands in the icy Bering Sea.

Jake battles a hurricane in the fleet's smallest boat while Keith orders crew over the rail to avoid capsizing. Johnathan’s crew scrambles to locate a hoard of crabs.

When processors shut down due to outbreaks, captains take inordinate risks to deliver in rough seas. Josh and Casey race to deliver live crab after their pump fails.

Keith risks pushing through jagged ice in search of the Wizard's lost pots. Wild Bill overturns the Summer Bay and a beloved crewman makes the ultimate sacrifice.

When the government closes the king crab fishery, captains must save an industry they worked to create. Plus, Sig pursues invasive Russian king crab in Norway.

Captain Sig suddenly loses power as he battles to launch his new Norwegian fishing operation. Plus, Captain Rip Carlton races to save an injured deckhand.

Captain Rip heads into an Arctic storm to attempt the riskiest helicopter rescue in recent history. Plus, John fights to save the Time Bandit at anchor.

Sig struggles with a crewman who thinks he knows more than the captain. Plus, Captain Wild Bill fights to save his boat from the rocky Norwegian coastline.

Captain Sig looks north to Russia to catch Norwegian reds. Meanwhile, a rekindled partnership between The Cornelia Marie and Time Bandit quickly turns sour.

Josh's brother Shane gets caught in the bight as a typhoon slams the Cornelia Marie. Plus, Rip faces a crisis when a greenhorn collapses unconscious.

Johnathan searches for a pot of Golden Kings at the end of a rainbow. A medical mystery confounds Captain Rip and Keith partners with Josh and Casey.

A fire rocks the Time Bandit and an emergency sends Keith into rescue mode.

Keith must retrieve a lost anchor in 50-knot winds. Sig attempts a risky new fishing strategy. Rick faces losing a greenhorn to a gruesome injury.

After Keith suffers a cardiac event at sea, Monte races to get his brother to medivac, braving the perilous St. Paul harbour entry in severe weather.

John risks capsizing with a slack tank. Jake hauls in the highest seas of his career and Sig rushes to get Clark home as mechanical problems mount.

Cornelia co-captains, Josh and Casey, risk a 500-mile trek north to the Russian line. Meanwhile, captain Keith struggles with a broken boat and a broken heart.

The winter season strikes the fleet with brutal Storm Elsa. And, Josh and Casey haul their all-time biggest pots, starting a gold rush to the Russian Line.

The wrath of Arctic storm Elsa hits the Cornelia hardest as a breakaway pot thrashes Josh and Casey's crew. And, the icy blasts threaten to capsize the Wizard.

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 arctic 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 fleet deal with back-to-back unrelenting storms on the Bering Sea. Freddy attempts surgery on himself and the Summer Bay Crew receives news on Nick's future.

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!

As smoke fills the Wizard, the Colburns face a dark ship nightmare. And, the storm and towering breakers shatter Jake's steel anchor, threatening the crew.

Winter unleashes its fury on the Summer Bay. A rookie mistake leaves Captain Bill a deckhand short, and Sean finds a fatal flaw in his crab count.

Each skipper's next move determines who survives the final winter dash. Winds put the Wizard on a collision course and Jake taps a Hillstrand to save the Saga.

A crushing injury requires Coast Guard rescue. Josh and Casey face a huge loss when their offload gets cancelled, and Monte hauls more crab than the Wizard can hold.

A dramatic change in the Russian crab industry rocks global markets and sparks new competition. As crab prices grow, legendary captains return to claim their piece.

As the fleet begins its race against the Russians, ferocious typhoon Hagibis hits the Bering Sea. Captains must choose whether to risk their lives for a big payday.

Still reeling from deadly typhoon Hagibis, the fleet claws its way back into competition against the Russians - and the pressure to make up ground has mounted.

With the Russian menace looming, co-captains Johnathan and Jake blast a shotgun at their problems while a vicious fist fight breaks out on the Seabrooke.

The Cornelia Marie taps American satellites to spy on the Russians while Scott Campbell Jr. pioneers a long-dormant fishery. And, Wild Bill faces big setbacks.

Johnathan goes under the knife at sea and Junior bets it all while chasing the elusive Golden King crab. Plus, Wild Bill faces an unruly greenhorn.

Co-captains Jake and Johnathan try to join forces with rival Keith Colburn. Junior risks crossing into enemy waters and Wild Bill seeks work in Russia.

As winter slams the fleet, the Coast Guard responds to a Mayday call, as captains and crew brace for the loss of friends. Sig and Monte track an opilio hoard.

As the crab biomass migrates across the Russian line, Josh and Casey dump 175 pots on the border. Meanwhile, Jake's new deckhand suffers an injury.

Facing a 500-mile wide Siberian storm, Josh takes a big risk to keep the Cornelia Marie crew safe. Junior loses control and puts his boat at the mercy of dangerous seas.

For the first time, Junior has to call on the chase boat to help rescue them. Plus, Josh and Casey hit a massive wave that causes major trouble.

Trouble is brewing when Bill's backup block goes missing. Cornelia Marie skippers Josh and Casey navigate a tenuous partnership at the Russian line.

The Wizard catches fire in a violent storm known as a bomb cyclone. Meanwhile, Josh and Casey face 30-foot seas and Wild Bill's crew grind for 72 hours straight.

Battling exhaustion, Wild Bill's crew face the full wrath of the bomb cyclone. A snapped tendon puts the Summer Bay at risk and Josh gambles on crab-rich grounds.

As Sig is troubled by an injury, Mandy takes the helm to face a disgruntled Northwestern crew. Plus, Josh and Casey suffer tragedy on the Cornelia Marie.

Jake scrambles to repair a slack tank before it kills his crab or capsizes the Saga. Plus, Josh and Casey's rudder fails in heavy traffic.

As seawater destroys his hydraulic motors, Junior attempts a risky high seas delivery of three new motors. Harley and his crew argue over his fishing strategy.

Sig and Mandy conspire to get Jake to do their prospecting, but he refuses to play along. Junior fears the worst when a deckhand falls from the stack.

A rare weather event churns up some dangerous waves. Josh and Casey face a 55-foot monster, while Jake risks capsizing to repair his rudder in unruly seas.

As the super snow-moon storm peaks, the Cornelia Marie's deck becomes a gauntlet for Josh and a greenhorn. Plus, Junior fights a sea-flea infestation.

As the fleet mounts a final season push, sad news rattles the Cornelia Marie. Lady Alaska greenhorn, Gabby, overcomes a painful injury to support her crew.

Josh fights to get home for a reunion with his brother amid rumours that ports are closing due to a virus and Sig's daughter is rushed to the hospital.

The Cornelia crew fights to save their gear from sea ice. As a pandemic looms, Russian boats vanish and captains race to dock before crab prices crash.

With half the crab boats tied up, Sig devises a plan to save the fishery from destruction. As Johnathan Hillstrand returns to help, veterans try to work together.

When Mandy devises a plan for partnering, Sig must rethink his own tactics. On the Time Bandit, John and Josh conspire to outmanoeuvre a Russian captain.

As hundreds of dolphins lead the Summer Bay into an approaching cyclone, Jake attempts a daring rescue. Sig makes a controversial call to save the fishery.

Wild Bill’s crew fights a mid-gale power outage, but the days are numbered for their greenhorn. Josh and Casey attempt Johnathan’s strategy for tracking king crab.

As a typhoon hits the Bering Sea, the Southern Wind collides with the Summer Bay. Casey hunts for the elusive bairdi crab, and Sig gambles all his pots in one spot.

The Time Bandit and Northwestern are struggling so they decide to join forces and throw cages down on either side of the restricted zone.

With the Bairdi fishery open for the first time in years, Josh and John on the Time Bandit ask Casey and Sig to help tank the fleetwide quota.

Time Bandit and Cornelia Marie race for the last spot at the cannery. Sig rallies his fellow captains with an unconventional plan after an emergency shutdown.

Johnathan sets mile-deep pots and pulls up a mystery species. Jake's niece gets injured on the Saga, and Clark takes the helm in Sig's wheelhouse.

Mandy's shocking news forces Sig and Clark to reconsider their decision to keep fishing. Jake teams up with Rip but powerful Aleutian tidal currents cause crossed lines.

Johnathan risks losing his entire live catch when the Time Bandit ventures into fresh water. Josh experiments with glow sticks to attract crab at the darkest depths.

A freighter cuts Jake's lines, forcing his crew to drag for valuable pots. Rip helps Johnathan locate the motherlode only to pay with a broken block.

An orca leads the Cornelia Marie to the season's best pots. Plus, when John's autopilot fails, Jake leads him home, and Clark and Sig rush home for Mandy's baby.

Josh and Casey race to beat the coming ice pack. Meanwhile, Sig and Keith attempt to find common ground and Johnathan finds his co-captain a bit wobbly.

The Northwestern has a risky encounter with a bald eagle. Josh and Casey place a bet on a hard-to-find quota, while casualties mount on the Patty Lee.

New mum Mandy returns to Sig's wheelhouse as heavy ice builds on the Northwestern. Jake unveils a new super pot as winter weather blindsides the fleet.

A dangerous list forces Sig to jettison pots or capsize the Northwestern. One wrong move in the narrow False Pass causes Jake and the Saga to hit bottom.

Keith recruits Johnathan to intercept a Russian trawler fishing illegally. But the situation intensifies when a missile streaks across their position.

Josh and Casey approach the ice edge while braving an Aleutian storm. Jake's niece and engineer climb the 30ft crane to make a critical repair.

The Cornelia Marie crashes into the ice pack when the greenhorn on watch falls asleep at the wheel. Plus, hundreds of seabirds bombard the Saga.

Battered by the ice pack, Sig changes tactics deploying an experimental bait from Norway. On the Time Bandit, frustration boils over as Freddy tests Johnathan.

With intense currents holding back the Arctic ice pack, Keith struggles to retrieve his catch. Jake and Sean face losing everything when ice swallows their gear.

The Bering Sea threatens to claim Sig and Wild Bill's gear unless they can beat the rapidly freezing waters. Rip takes on a massive amount of extra quota.

As ice blocks St. Paul Harbor, captains race to deliver their final snow crab. Sig deploys a risky tactic and the Wizard's 77-year-old hull cracks open.

New blood joins familiar faces. As the Coast Guard encounters a surge of illegal foreign vessels at sea, perils mount for the new generation.

Sig gets tough news at sea, forcing the Hansens to make a critical decision. Meanwhile, Jacob reaches a stalemate with Keith on the Wizard.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

A new deckhand falls ill on the Time Bandit, raising questions for Andy. Captain Rick deals with a severe crew injury and Wild Bill's plan A fails.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

When Sig and Mandy disagree on a fishing strategy, Clark is caught in the middle. Wild Bill comes down hard on deckhands as Linda gets too close to danger.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

As a continent-size storm pummels the fleet, John and Andy fight to save their anchor and the boat. Plus, an orca befriends the Northwestern.

A storm threatens John's record-breaking run as Keith helps triangulate the crab. Jack braves treacherous tidal currents and chaos strikes the Wizard.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

The safety of Bob's operation is jeopardized when another vessel collides with her boat. On the Barbara J, Jack gambles big to get home to honour a friend.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

In the cod derby's final hours, Jack and Harley have it out during a dangerous docking. As smoke forces Rick into town, Bill gets his boat stuck on sand.

When Sig loses GPS navigation, Mandy must work a decades-old magnetic compass. OJ's replacement on the Wizard makes a misfit crew a bit more awkward.

Crew conflict tests Johnathan's leadership as Sig crosses a boundary line.

Johnathan braves a king tide, Jake battles fire and Sig defends his catch.

Despite damage, Sig mUnited Statest outwit an unknown adversary to defend his ground.

The Time Bandit's pots disappear as Sig retrieves a decades-old treasure.

Freak tides trap Sig in unsurvivable seas, as Jake battles to get to port.

The return of King Crab ignites a derby-style race not seen in two decades.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

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.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

When Sig discovers Jake stole his fishing data, he deals his prot?g? a lesson he won't soon forget. Rick faces a deckhand rattled by incessant waves.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

Sig deploys a Norwegian secret weapon to locate the bairdi school. Meanwhile, in Dutch, crew drug tests threaten to leave them a man down.

A Bering Sea gale takes out Rick's deckhand while Sophia helms the Seabrooke in high-risk conditions. Johnathan alters time to make good on a promise.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

Sig, Johnathan and Keith face a gauntlet of weather in the winter premiere.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

One of the deadliest jobs in the world is that of the Alaskan crab fisherman. They brave the treacherous waves of the Bering Sea in search of valuable king crabs.

One of the world's deadliest jobs is that of the Alaskan crab fisherman. They brave the treacherous Bering Sea in search of valuable king crabs.