The Expanse (2019): S04E09 – Saeculum


The Expanse is an American science fiction television series developed by Mark Fergus and Hawk Ostby, based on the series of novels of the same name by James S.A. Corey.

The series is set in a future where humanity has colonised the Solar System. It follows a disparate band of antiheroes – United Nations Security Council member Chrisjen Avasarala (Shohreh Aghdashloo), police detective Josephus Miller (Thomas Jane), ship’s officer James Holden (Steven Strait) and his crew – as they unwittingly unravel and place themselves at the centre of a conspiracy which threatens the system’s fragile state of Cold War.


Murtry has the Israel launch a weaponised shuttle at the Rocinante; Alex destroys the shuttle, but the resulting debris damages many of the Rocinante’s thrusters. Lucia is nearly spaced when a gas canister is punctured by flying debris and knocks her into space. Naomi tethers herself, leaps out, and finally rescues a disoriented Lucia. Alex uses the ship’s railgun as a makeshift thruster to maintain orbit. Miller, who can now overcome his protomolecule programming for periods of time, tells Holden that he has found a piece of unexploded ordnance on Ilus (fired by the species that killed the protomolecule’s creators) that can neutralise Ilus’ protomolecule technological network. Led by Miller, Holden uses a portal in the alien structure to travel to another structure on Ilus. There, they find the piece of ordnance in the form of an energy circle. In order to eliminate Holden, Murtry and his second-in-command, Chandra Wei, use the portal to follow Holden. They are followed by Amos and Okoye. Wei confronts Amos; when neither stands down, Amos kills Wei while Murtry shoots and disables Amos. Okoye finds Holden and reveals Amos’ predicament, causing Holden to go back for Amos. Intending to go through the energy circle, Miller integrates with the network and takes control of a leftover metal mechanical construct. Holden confronts Murtry and, after a standoff, shoots and disarms him. Despite the structure’s attacks on them, Okoye helps Miller reach the energy circle, through which they then fall.

The Expanse Series

You can find a full index and overview of The Expanse here.

You can find a full index of The Expanse Series 04 here.

Production & Filming Details

  • Director(s): Breck Eisner.
  • Writer(s): Daniel Abraham and Ty Franck.
  • Release Date: 12 December 2019.
  • Running Time: 42-53 minutes (per episode).
  • Rating: TV-14/15.
  • Country: US.
  • Language: English.

YouTube Link

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