第 4 季 共 10 集
播出时间：2024年7月22日
第 1 集 Snakes in the Garden
播出时间：2024年7月22日
Nine months after Snowpiercer and Big Alice parted ways, Till and Ben encounter unforeseen enemies when Melanie sends them off the train on a reconnaissance mission. Meanwhile, the residents of New Eden face uncertain times and unknown adversaries, compelling them to further confront the complexities of their new reality.
第 2 集 The Sting of Survival
播出时间：2024年7月29日
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 surrenders the engine.
第 3 集 Life Source
播出时间：2024年8月5日
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.
第 4 集 North Star
播出时间：2024年8月12日
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.
第 5 集 The Engineer
播出时间：2024年8月19日
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.
第 6 集 Bell the Cat
播出时间：2024年8月26日
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.
第 7 集 A Moth to a Flame
播出时间：2024年9月2日
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 booby-trapped bridge.
第 8 集 By Weeping Cross
播出时间：2024年9月9日
Javi is alive and the bridge is safe to cross; 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.
第 9 集 Dominant Traits
播出时间：2024年9月16日
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.
第 10 集 Last Stop
播出时间：2024年9月23日
Nima heads for Snowpiercer; Layton and the Tailies fight their way uptrain when Ruth is captured; Nima tries to cut a deal and runs to the rocket control room to initiate the launch sequence.
