In the season finale, with just ten pots to go, a crushing injury requires Coast Guard rescue. Josh and Casey face a huge loss when their offload gets cancelled. Sig gambles on an early finish, while Monte hauls more crab than the Wizard can hold.

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.

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.

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.

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!

Monte returns to co-captain the Wizard just as massive storms slam the fleet from the south. Jake risks hauling his pots in 30 foot seas to return to his family. Wild Bill goes farther north into the icy Arctic than any other boat in the fleet.

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.

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.

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.

Just miles from the fleet, the fishing vessel Destination disappears without a trace. In an unprecedented investigation, the mystery can finally be solved. But captains must make big changes, or risk sailing into the same peril on the icy Bering Sea.

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.

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.

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.

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.

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 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.

The Bering Sea takes a brutal toll on captains and crew. Wild Bill calls the Cornelia for help. Jake confronts a disorderly crew, forcing his toughest decision yet as captain. Josh mans the helm as Casey makes a risky ship-to-ship transfer in high seas.

In the biggest storm of the season, Jake faces a life and death decision when a shifting stack threatens to capsize the Saga. Sig and Mandy haul through angry seas, while Josh and Casey gamble on quota but find there's more on the line than sheer numbers.

A freak accident which threatens the Northwestern's crew happens while Mandy is at the helm. A launcher on the Southern Wind snaps at the worst possible moment. And the Wizard loses power to its forward lights.

The story of Sean Dwyer.

The first arctic storm of the season arrives, and Saga's deck boss takes a knife to the ribs. Josh and Casey's record-setting haul gets interrupted when a hand gets tangled in the coiler. Capt. Bill takes one last stab at motivating a lazy greenhorn.

Atop the king crab super swarm, full pots boil over into conflict as young guns Sean and Jake join forces to set down Sig. Keith and Harley reignite a decades old rivalry, and Sean faces the long arm of Alaska law when crab in his tank come up short.

Hours before king season, a massive new boat with a renegade captain discovers the crab are all in one spot. As the fleet races to find the quarter billion-dollar hoard, captains battle each other and the Bering Sea to claim their share of the bounty.

The captains return to Dutch Harbor days before the opening of king crab season. As they prepare their boats and their crews to battle the Bering Sea, they must also face each other to settle unfinished business from the past season.