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In this sci fi series, the crew of a interplanetary space ship works to solve mysteries and maintain the fragile political balance in a solar system that has been fully colonized from center to edge. Thomas Jane and Steven Strait star. The series aired on Syfy from 2015 to 2018, and Amazon Prime committed to producing a fourth season.

The Expanse is a series that is currently running and has 5 seasons (53 episodes). The series first aired on December 25, 2015.

Where do I stream The Expanse online? The Expanse is available for streaming on Syfy, both individual episodes and full seasons. You can also watch The Expanse on demand at Amazon Prime, Amazon, Vudu, Microsoft Movies & TV, Google Play, iTunes online.

Wednesdays 10:00 PM et/pt on Syfy
5 Seasons, 53 Episodes
December 25, 2015
Drama
8.5/10
Cast: Steven Strait, Dominique Tipper, Wes Chatham, Shohreh Aghdashloo
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The Expanse Full Episode Guide

  • Naomi makes a desperate attempt to save her son from Marco. On the Roci, Holden battles for the last sample of protomolecule.

  • Holden and the Roci go on the hunt. Amos and Clarissa seek shelter on a devastated Earth. Bobbie and Alex fight a desperate battle. Marco makes Drummer an offer she can't refuse. Avasarala returns to a position of power.

  • Amos and Clarissa are trapped in a collapsed building. Naomi contends with her old family. Holden assembles a new crew on the Roci. Alex and Bobbie make a dangerous discovery in the Belt.

  • Marco's grand plan shocks Earth, Mars and the Belt.

  • Naomi comes face to face with Filip. Holden and Fred turn the tables. Avasarala closes in on Marco's plot.

  • Holden and Fred deal with infiltrators on Tycho. Drummer's past comes back to haunt her. Amos returns to Baltimore. Alex and Bobbie's investigation on Mars leads to rogue soldiers.

  • Holden tries to convince Fred Johnson to destroy the last sample of protomolecule. Naomi gets an important lead to her son. On Luna, Avasarala begins to hunt for Marco Inaros.

  • Ashford closes in on an enemy while uncovering a dangerous plot. Avasarala faces a crossroads in her personal and political life. The Roci crew works to reestablish life on Ilus in the wake of a deadly catastrophe.

  • Holden and Miller race to save Ilus. Murtry puts his endgame into motion, putting the Roci crew's lives at risk.

  • Avasarala faces fallout for the UN's military mission. Ashford and Drummer makes big decisions about their future within the OPA. A spreading illness on Ilus takes a toll on Amos. Alex and Naomi's attempt to rescue the Barb turns desperate.

  • Naomi and Alex work to keep the Barbapiccola in orbit amidst a power outage. Avasarala faces a tough decision. Holden and Elvi race to find a cure for a disease spreading on Ilus.

  • The Roci crew prepares for an incoming disaster on Ilus. Ashford and Drummer close in on an enemy within the Belt. Bobbie takes on a dangerous job.

  • As tensions on Ilus reach a boiling point, Holden reveals a secret. Avasarala debates Nancy Gao while an emergency on the Roci forces Alex and Naomi into action.

  • Drummer and Ashford confront a dangerous person from Naomi's past. Murtry hunts down a target. Bobbie's makes a life-changing confession.

  • New alien threats emerge on Ilus as Naomi battles health challenges on the planet. Bobbie searches for a missing person on Mars. Avasarala faces a new challenge in the UN.

  • Avasarala is blindsided while on a visit to Mars. The Roci crew continue their protomolecule investigation while tensions between the RCE and Belters reach a tipping point. Drummer and Ashford track down a terrorist.

  • The crew of the Roci investigates a strange protomolecule ruin on an alien planet. Bobbie copes with civilian life on Mars. Drummer and Ashford battle with piracy in the Belt.

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