Deadliest Catch, Operation Anvil Drop

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.

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.

After risking his crew salvaging gear from the ice pack, Sig changes tactics deploying an experimental bait from Norway. On the Time Bandit, frustration boils over as Freddy tests Johnathan. Jake hauls in seas so volatile his crew must take shelter.

With intense currents holding back the Arctic ice pack, Keith drives into deck-wrecking waves to retrieve his catch before the ice bounces back. Jake and Sean face losing everything when ice swallows their gear as Rip enters a pot cemetery of his own.

The icy depths of the Bering Sea threaten to claim Sig and Wild Bill's gear unless they can move quickly enough to beat the rapidly freezing waters. Rip takes on a massive amount of extra quota and if he can't catch it, he'll have to buy it.

As ice blocks St. Paul Harbor, captains race to deliver their final snow crab. Sig deploys a risky tactic his father pioneered, while Jake battles a slack tank to save the Saga. Keith and John scuttle a plan as the Wizard's 77-year-old hull cracks open.