Set in a future where a failed climate-change experiment kills all life on the planet except for a lucky few who boarded the Snowpiercer, a train that travels around the globe, where a class system emerges.

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"Assured Destruction"

Earth strategizes a costly ploy to gain advantage in the war against Mars; Anna struggles to convince Sorrento-Gillis to do the right thing; Avasarala and Bobbie seek refuge aboard the Rocinante.

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"Civil Wars"

Seg is faced with an impossible choice that will shape the El legacy and the fate of the universe.

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"Unfinished Business"

Gabriel returns and drags Sam and Dean into his plot for revenge on the demigods who sold him to Asmodeus; Jack's inflating confidence leads to reckless decisions that could put others in harm's way.

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"Nothing Personal"

Burton faces his past with the help of Tess; Shadowman stays a step ahead of Taka and Alex; Woody agrees to help bring Bennett down; Boerg remembers his sister.

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