In an epic finale, the fleet risks their operations for one last big payday as Nome Harbor freezes over; Shawn battles the inland ice; Chris goes for his biggest haul yet; Vern overcomes the loss of his key diver for a big payday.

When Billie discovers that she's on Santa's Nice List for the first time, she sets out to get her rightful spot on the Naughty List back through any means necessary.

Ellen prepares for her wedding day, while Julia attempts her escape.

When Vee asks for Demi's help on a class presentation, his ghostly secret is put in danger. Meanwhile, Elijah is invited to an underground rap cypher.

When bad boy Quentin asks Billie to the eighth-grade dance, she's excited, but a wary Justin is starting to suspect that this mysterious kid may not be exactly what he seems.

When Vee's at a loss for what to get her Secret Santa recipient, she enlists some Transylvanian help. Meanwhile, Elijah and Demi struggle to find the perfect gift for Sophie.

Magicians Michael Pharoah, Xulio Merino, Topas, and Toby Rudolph try to fool the veteran duo with their illusions.

In the winter premiere, the snow crab fishery reopens unexpectedly after three years; Keith and Jake charge north, only to collide with an incoming Siberian storm; Sig and Rick form a wary alliance, but with big money on the line, trust fails fast.

An unprecedented emergency sends Fairbanks into lockdown. Frank gathers every resource available to mount a full-scale response.

Jimmy doing an interview with Taylor Swift, with an never before seen extended cut.

An extraordinary encounter leads Mitsuki on a harrowing journey-and a crisis of faith.

Eugene dives into Seoul and its famed cultural exports, from the K-Pop phenomenon and beauty products to Korean street food and mukbang.

Rudy must decide whether to make an argument he can win or to expose the truth.

The group faces the wrath of the penitents. Rochemort tries to improve his standing with the prince. On the road, Néro begins to show troubling symptoms.

A training exercise strains Cameron's bond with Ray and forces brothers John and Cody to unpack the family baggage they brought to Parris Island.

Luke tries to get back home as the manhunt for Havlock intensifies. Frank weighs whether he should give in to a set of demands.

The red carpet is rolled out for the first theme week of the series: movie night in the ballroom.

Two top-notch female investigators dig into murder cases that have gone for years without answers.