Deadliest Catch

Departing Dutch Harbor for Alaska's 2017 fall crab season, the fleet's veteran captains battle the deadly Bering Sea as well as their younger rivals to get their piece of a lucrative bounty.

As accusations fly and suspicions grow, a twisted triangle of jealousy, betrayal and revenge reveals few can be trusted on the Bering Sea. Captain Keith offers to take on Jake as an apprentice, but Captain Sig plots against him.

As the King Crab become harder to find, Sean and Casey forge an alliance. Wild Bill risks it all on a new bait and fish strategy, a dangerous mistake jeopardizes Jake's offload, and the Cornelia Marie is whipped by bad weather.

Halfway through king crab season, the Cornelia Marie is suffering from bad fishing and injuries to key deckhands that could force the boat in early. On the Northwestern, Sig goes on a daring midnight mission to shake his rivals.

Captain Keith fights to keep the Wizard afloat when there's flooding in the bow Sig wraps the king crab catch and gives the helm to Edgar, and Josh and Casey worry that their two injured deckhands won't be cleared to fish.

A hurricane shocks the fleet with high winds and big waves, and an unstable stack threatens to capsize the Saga. As the captains rush to pull and set pots before heading for safe harbor, Wild Bill drives straight into the storm.

Jake makes a devil's bargain -- huge crab for hidden perils -- until his boat itself is on the line. Sig serves cold justice at sea, and Wild Bill chases a king crab jackpot.

On the brink of failure, Josh discovers secret fishing grounds in his late father's logbooks. A deck mishap on the Saga could end Jake's season, and the Coast Guard attempts to hoist an injured sailor from inside a ship's tank.

At the start of bairdi crab season, Keith hands over the Wizard to his brother, Monte. Josh fights for the helm of the Cornelia Marie despite a bad showing, and engine trouble threatens Wild Bill's season.

The supermoon brings the most powerful tidal surges in 150 years. Josh and Monte chase their bounty deep into an Arctic storm, and Wild Bill hopes to get his broken boat off the dock.

A blackout leaves Jake and the Saga close to disaster in unfamiliar waters. Sig heads far above the traditional opilio grounds for the second year in a row, and Wild Bill tries to overcome his slow start due to engine repairs.

Accidents plague the decks. Winter season rocks the fleet with 20-foot swells and 40-knot winds, and the Bering Sea takes a brutal toll on one greenhorn. In the wheelhouse, strategy is critical with crabs on the move.

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

Mandy takes her first shift on the Northwestern in heavy seas. The Wizard crew battles over one crewman who isn't pulling his weight on deck, and Wild Bill changes his strategy when he's battered by high seas.

A 150-year supermoon storm wreaks havoc on tides and undersea currents. The Coast Guard attempts a rescue mission in the heart of the storm, and Wild Bill faces his worst nightmare as a greenhorn goes overboard.

A greenhorn's life hangs in the balance as the Summer Bay crew scrambles to steal one of their own from the Bering Sea's icy grip. The Saga and the Cornelia Marie battle the colossal waves of the supermoon storm.

Sig pushes Mandy to invade the Cornelia Marie's ground, sparking a battle for the crab, and Casey takes extreme measures to defend his turf. A distress signal from the Saga sends panic across the fleet.

A severe Arctic gale batters the fleet, forcing captains to fight extreme wind and waves. Two boats steam out of port to catch crab in the deadly winds and waves while another seeks shelter at St. Paul Island.

As rogue waves threaten to capsize their boats, captains Jake Anderson and Sean Dwyer must make life-or-death decisions. Wild Bill Wichrowski faces a choice that could end his career, and Keith Colburn returns to the Wizard.

The captains take on the steepest waves yet in an epic final surge to hit their quotas. The Cornelia Marie's Josh Harris gambles big on his crab count, and engine failure leaves Sig Hansen and the Northwestern dead in the water.

The captains put each other on the spot with revealing questions. For the first time, they confront their failures, triumphs and most controversial moments, asking the questions only another captain can ask.

A US Coast Guard swimmer, pilot and captain join with Sig, Keith, Bill, Casey, Jake and Sean to give an insider's look at the scariest Bering Sea rescue missions.

The Bering Sea Triangle evokes fear in captains and crewman alike. Experts and crabbers explore the mystery surrounding a small corner of Alaskan waters where boats have simply vanished, without a mayday call and without a trace.

With scars still fresh from a harrowing season on the Bering Sea, the skippers reveal the most critical decisions they've made and how those choices and actions have made them the captains they are today.