Snowpiercer - Episode Guide

Snowpiercer, the Great Ark Train, has kept the last remnants of humanity alive for almost seven years. A rigid class system maintains order, with First Class holding power over workers, while a condemned Prison Class struggles to survive in the Tail. Now, a grisly murder is stoking class division, so Melanie Cavill, the powerful head of hospitality, deputizes a dangerous rebel to help solve the killing - Andre Layton, the world's only surviving homicide detective.

Layton uses his new position as train detective to investigate the murder while gathering intel for the revolution on the side. Meanwhile, Melanie faces a resource crisis, with potentially drastic consequences for the entire train.

Layton descends into Snowpiercer's black market with Till, searching for both the killer and a valuable commodity for his revolution. Melanie stages a prize fight to distract the passengers from mounting class tension.

A twist in the murder investigation brings Layton face to face with the murderer, and dangerously close to Melanie's secret.

Tension between Third Class and First Class comes to a head at the trial of the Snowpiercer killer.

Hiding out with help from his allies, Layton lays track for revolution. Meanwhile, an engineering emergency threatens every soul on Snowpiercer, and Melanie is the only one who can save them.

Melanie intensifies her search for Layton as he plots to weaponize her secret.

Revolution has finally come, and Layton leads the lower classes forward in armed rebellion. Melanie's house of cards collapses and she's in danger of becoming the first casualty in the battle for control of Snowpiercer.

The rebel forces are on their heels when a dangerous foe joins them. A plan is hatched to take the train, but it may destroy them all.

In the revolution's aftermath, Layton struggles to govern the shell-shocked survivors. Melanie finally makes peace with her demons, only to realize the biggest threat to their survival is right over her shoulder.

Mr. Wilford has arrived. And as this new threat rattles Snowpiercer to its core, Melanie makes a move that can't be undone.

An exchange is made between the two trains, but a far greater revelation might be just over the horizon.

Melanie embarks on her most dangerous mission yet, while Layton reckons with his personal choices.

The Big Alice crew is granted shore leave on Snowpiercer; Layton and Wilford disagree.

Layton and Miss Audrey make a risky play for Big Alice, but Wilford has his own plans.

Mel arrives at the research station, where she makes some startling discoveries while struggling to survive and thinking back to the days before the Freeze.

Layton and Till investigate the murders. Wilford leads Miss Audrey down a dark path.

An engineering catastrophe forces Layton to make a difficult choice that might cost him everything.

Wilford assumes control of Snowpiercer; those who are close with Layton grow anxious to learn their fates; Josie tests her newfound ability.

As the train approaches Melanie's retrieval point, Layton leads a furious attempt to try and pick her up but not without some sacrifices.

While Wilford emphasizes his rule aboard his icy train, Layton's pirate train continues its dangerous quest for warm spots, and comes across something entirely unexpected.

Layton goes on the hunt, as Wilford works to boost morale. The resistance discovers a threat that could undermine everything they've worked for.

It's a game of cat and mouse as both Layton and Wilford vie for the upper hand.

Alex must finally deal with her parental figures as a track obstruction uncovers a painful past.

A series of terrorist attacks threaten to derail Layton and Zarah's big day.

As the bomber is revealed, Layton comes to terms with his past decisions before making an irreversible call.

As the train grapples with Layton's status, he's discovering that some dreams aren't worth having. Wilford makes a shocking discovery.

As the train detours from New Eden, an environmental catastrophe threatens everyone onboard.

Reunited with old friends, the train throws a party. But alliances are tested as the truth is finally revealed.

It all comes to a head as old adversaries clash, with New Eden hanging in the balance.

The Snowpiercer crew marvel as a rocket shoots through the sky, crashing nearby. Melanie sends Till and Ben to investigate; nine months later, New Eden blooms.

Milius and his Animal Squad storm the train; Melanie realizes something is wrong and shuts the vault doors to the engine; when Ben's life is threatened, Melanie sureenders the engine.

Layton demands to use Big Alice to rescue Liana; Ruth, now mayor of New Eden, refuses because it's the town's power supply; Layton makes Javi jury-rig a solution, giving them three weeks of electricity.

Big Alice catches up to Snowpiercer; Milius radios them, inviting Layton over; sensing a trap, Layton and Josie sneak onto Snowpiercer; Nima is worried Layton will be gassed and attempts to disarm the Greenhouse Car.

Layton hears the deal: Liana for Big Alice; he agrees and the trains dock at the silo; while Layton, Ben, Till, Ruth, and Alex stew in a holding room, Josie is taken to Headwood; Milius introduces his partner in crime: Wilford.

Nima needs more samples for his experiments, so Milius sends Wilford and the soldiers to collect; privately, Milius tells Wolf to kill Wilford; Layton wakes up on an abandoned floor and is approached by humans with toxic gas scars.

Layton learns who was responsible for the experiments on Josie and Liana, before also finding out who froze the world; Big Alice approaches New Eden but can't cross the boobytrapped bridge.

Big Alice pulls into New Eden. Layton, Josie, and Liana sit stranded in the middle of nowhere, freezing to death, when a masked soldier appears. Can he rescue them? Alex finds herself in danger.

Alex sabotages the track switch computer and, with Layton's help, escapes to town hall; Till gets the drop on Ace and uses his sniper rifle to save Layton and Alex from Rat; Melanie reveals the identity of Alex's biological father.

Nima tries to cut a deal and runs to the rocket control room to initiate the launch sequence.