A massive heart attack forces Sig Hansen to face serious decisions about his future. Sig works to repair his body and his boat while a stress-packed career and lifestyle in the early days of Alaskan crab fishing is examined.

A special featuring the captains of the Wizard, the Northwestern, the Cornelia Marie and the Time Bandit.

Sig fights to survive a massive heart attack. Bill learns a dark secret about his son Zack. On the Corneila Marie, Josh fights to prove himself. Jake learns a valuable lesson and Johnathan appeals to the gods.

Intense weather and more damage to his battered boat take a toll on Sig's heart; the USCG attempts a dangerous medevac; Bill struggles with a water leak; Jake recruits an old friend.

A rouge wave forces Zack to make a life-or-death decision; Jake bets on a Bering Sea crab myth; Sig gives his daughter Mandy a treat on the bridge.

Shedding blood on the Time Bandit; A fight breaks out on the Wizard, Sig finishes dealing with his burned out boat then encounters another problem.

The crew aboard the Northwestern fight a fire in the engine room while out at sea. Elsewhere, a hefty pot goes flying after the hydraulics fail aboard the Saga.

Alone on the water, days from land, the Northwestern catches fire. On the Time Bandit, a family emergency forces Johnathan to make a desperate move.

Winter kicks into high gear on the Bering Sea. While an unruly deckhand forces captain Sean Dwyer to enforce his dad's law, Keith struggles with new greenhorns.

While Keith and Johnathan test the boundaries of partner fishing, Captain Jake struggles to stay cool with a problematic deckhand. Later, Wild Bill takes one for the team.

In the final throes of the season's first arctic storm, captains and crews battle for survival. While veterans fight the weather, rookie skipper Sean Dwyer stands fast, waiting out the storm, making his first trip of the year during blue skies.

Winter crab season brings this year's biggest storm. Every captain must choose - risk it all and head out into the storm or stay back, tied to dock losing money.

A massive arctic storm blasts the fleet with hurricane-force winds and monster seas. And every captain must decide how much their boats and crews can handle.

With Captain Edgar at the helm, the Northwestern is on the brink of mutiny. Drunk deckhands put the Saga at risk and Captain Johnathan gambles big to end his season.

A three-hour boat special aboard the decks of the ships: the Northwestern, the Cornelia Marie and the Wizard.

Sean Dwyer has to choose between crab and a childhood friend; Wild Bill questions his son's status as a crabber and a man; injuries seem to run rampant throughout the ships.

Jake Anderson attempts a treacherous shortcut with only one engine; Casey and Josh perform surgery at sea; Edgar Hansen works to make his mark as captain.

Josh Harris takes over the Cornelia Marie; Sean Dwyer faces the angry sea; greenhorns on the Cape Caution are brought to attention; weather, mechanical failures and inexperienced crews create difficulties across the fleet.

Josh Harris struggles to keep his father's boat working in the off-season; the origin of the Cornelia Marie; Josh realizes the consequences of owning a boat.

Wild Bill risks his biggest lead to bail Josh out of trouble and Sean finds out if he's got what it takes. Plus, can veteran skipper Johnathan turn his season around?

Sean Dwyer and his crew prepare for their first crab season on the Brenna A; Jake makes a mistake; Wild Bill deals with a deckhand; Keith gets support from Johnathon Hillstrand.

The Time Bandit has a run-in with law enforcement; Sig torments Jake; Keith's fortunes change; Sean Dwyer fights for his father's legacy.

The captains open up about the triumphs, betrayals, grand theft, and how Super Typhoon Nuri rocked the fleet.

A close look at The Northwestern crab fishing vessel, including interviews with Captain Sig Hansen.