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 episode was rated 7.65 from 99 votes.

Keith recruits Johnathan to intercept a Russian trawler fishing illegally in US waters but the situation intensifies when the Time Bandit crew spots a missile streaking across their position. Bill and Sean fight to defend their pots from rogue trawlers.

The episode was rated 7.65 from 88 votes.

Johnathan pulls an unknown species with mile-deep commercial crab pots. Jake's niece gets injured on the Saga and Clark takes the helm in Sig's wheelhouse.

The episode was rated 7.69 from 100 votes.

In the extreme north of Norway, Sig risks dropping pots on the Russian line. As water floods the Saga's engine room, Jake scrambles to save his boat and his niece. Josh and Casey call in an undeserved favor from Johnathan as canneries close their doors.

The episode was rated 7.70 from 112 votes.

New-mother Mandy returns to Sig's wheelhouse, but as heavy ice builds on the Northwestern, she reckons with the risks the family is taking; Jake unveils a new super pot to stake his claim in the cod derby as winter weather blindsides the fleet.

The episode was rated 7.70 from 100 votes.

Josh and Casey race to the approaching ice edge as an Aleutian storm slams the opilio grounds. Jake discovers his niece and engineer have been hooking up more than crab gear as they risk life and limb climbing the 30ft crane to make a critical repair.

The episode was rated 7.74 from 92 votes.

A deckhand who thinks he knows more than Captain Sig fights for his life tangled in a potline. Wild Bill struggles to save his vessel from impacting the jagged fjords.

The episode was rated 7.77 from 110 votes.

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.

The episode was rated 7.78 from 95 votes.

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.

The episode was rated 7.78 from 120 votes.

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.

The episode was rated 7.80 from 105 votes.

In an epic Fall season finale, Clark scuttles Sig's partnership with Harley to get home for the birth of his and Mandy's baby. An orca leads the Cornelia Marie to the season's best pots. When John's autopilot fails, Jake is the star that leads him home.

The episode was rated 7.81 from 113 votes.

Sig scrambles to get home for Bairdi and Mandy's baby as his crew finds a honey hole of Russian King Crab. Josh's brother Shane gets caught in the bight as a typhoon slams the Cornelia Marie. Rip faces a crisis when a greenhorn collapses unconscious.

The episode was rated 7.84 from 115 votes.

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.

The episode was rated 7.90 from 121 votes.

In the Winter premiere, nautical weather slams the fleet as Josh and Casey race north in hopes of beating the coming ice pack. Sig and Keith attempt to find common ground, and on the Time Bandit, Johnathan finds his co-captain a bit wobbly. 300th episode.

The episode was rated 7.96 from 103 votes.

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.

The episode was rated 7.96 from 134 votes.