It's October in Dutch Harbor Alaska, and after a devastating 2011 opilio season, every ship in the fleet is looking to make a comeback in the 2012 king crab season.

It's cloak and dagger time on the Bering Sea as Keith and Junior form a covert alliance. The Northwestern crew knocks out their rocky string but then faces a surprise challenge. Elliot finally debuts his new boat on the dangerous blue crab grounds.

On the blue crab grounds, brutal competition leads to more deceit amongst the captains. Serious injuries plague the fleet, and Junior's betrayal of his alliance with Keith comes back to haunt him with potentially lethal consequences.

On the crowded blue crab grounds, a high seas showdown between the Saga and Seabrooke takes an unexpected turn. On the Northwestern, Captain Sig must make a tough decision about his brother's future, while the Time Bandit has a close call in False Pass.

Five weeks into the king crab season change is in the air and on the Bering Sea. Big moves are made on some boats while it's the same old story on others. Still, the hunt for the elusive blue crab is on everyone's radar.

On the Northwestern, Jake's dark secret sets off a fistfight that throws Edgar's new captaincy into jeopardy.Tempers flare on the Saga and Seabrooke when Elliott grows wise to Junior's devious ways.

As King Crab season comes to an end life-changing decisions must be made. The captains of the fleet pull up their last pots while young Jake Anderson struggles with his decision to leave the Northwestern and Josh Harris plots to buy his father's old boat.

Chaos kicks off the 2013 Opilio Season when an accident on the Time Bandit has them racing for the shore. Jake Anderson gets a not-so-warm-welcome on his new boat, the Kiska Sea. As these gladiators of the Bering Sea lace up for their biggest money season

A Category 4 storm has landed on the fleet two weeks into the Oplio Crab Season. As the first pots come aboard some captains are dialed into the crab, while others are off their scent, but they're all struggling to stay afloat.

Survival is the name of the game as the fleet battles their way through a ferocious arctic storm. Junior takes a huge risk in order to get back in the game; two greenhorns struggle to fit in with their crews; and Elliott's problems on land continue.

The fleet's weathered the storm, but the crab are still off the bite. Desperate to make their offload dates, captains mercilessly grind their crews, but some deckhands sick of being bullied when they're not making any cash aren't gonna take it.

The crews and battered boats are feeling the brunt of one of the hardest Opilio seasons on record. While some crewmembers battle potentially catastrophic breakdowns to stay out on the grounds and keep fishing, others throw in the towel and call it quits

Midway through the crab season and the northernmost boats are in a race to save their gear as the polar ice pack descends onto the fishing grounds.

With only three weeks left in the Opilio Season, the fleet prepares to make the final push to wrap up their seasons. Captains battle weather, equipment, and their own men in a sprint to the finish, but nothing comes easy.

After enduring months of mechanical breakdowns, sleepless grinds, and infighting, the fleet is starting to crack. When deckhands on the Wizard are unable to lasso a floating walrus carcass, Freddy Maugatai takes matters into his own hands.

The younger generation is put to the test as the fleet races to finish a grueling opilio season. As defiance on the Wizard turns brother against brother, an accident brings one crabber's career to a gruesome end.