The BEST episodes of The Expanse season 4

Every episode of The Expanse season 4, ranked from best to worst by thousands of votes from fans of the show. The best episodes of The Expanse season 4!

Two hundred years in the future, in a fully colonized solar system, police detective Josephus Miller is given the assignment to find a missing young woman, Julie Mao. Joining his task is James Holden, former first officer of an ice freighter who is involved in an incident caused by the tense relationship between Earth, Mars and the Belt. Far from their struggles in space, United Nations executive Chrisjen Avasarala works to prevent war between Earth and Mars. Soon the three find out that the missing woman is connected to a vast conspiracy that threatens all humanity.

Last Updated: 11/14/2024Network: Prime VideoStatus: Ended
Cibola Burn
star
8.21
2362 votes

#1 - Cibola Burn

Season 4 - Episode 10 - Aired 12/13/2019

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.

Directors: Breck Eisner
Watch Now:AmazonApple TV
Saeculum
star
8.20
2325 votes

#2 - Saeculum

Season 4 - Episode 9 - Aired 12/13/2019

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

Directors: Breck Eisner
Watch Now:AmazonApple TV
The One-Eyed Man
star
7.95
2296 votes

#3 - The One-Eyed Man

Season 4 - Episode 8 - Aired 12/13/2019

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.

Directors: Sarah Harding
Writer: Dan Nowak
Watch Now:AmazonApple TV
Displacement
star
7.91
2338 votes

#4 - Displacement

Season 4 - Episode 6 - Aired 12/13/2019

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.

Directors: Jeff Woolnough
Watch Now:AmazonApple TV
New Terra
star
7.91
2647 votes

#5 - New Terra

Season 4 - Episode 1 - Aired 12/13/2019

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.

Directors: Breck Eisner
Watch Now:AmazonApple TV
Jetsam
star
7.89
2474 votes

#6 - Jetsam

Season 4 - Episode 2 - Aired 12/13/2019

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.

Directors: Breck Eisner
Writer: Laura Marks
Watch Now:AmazonApple TV
Subduction
star
7.84
2416 votes

#7 - Subduction

Season 4 - Episode 3 - Aired 12/13/2019

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.

Directors: David Petrarca
Writer: Dan Nowak
Watch Now:AmazonApple TV
A Shot in the Dark
star
7.79
2299 votes

#8 - A Shot in the Dark

Season 4 - Episode 7 - Aired 12/13/2019

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.

Directors: Sarah Harding
Writer: Dan Nowak
Watch Now:AmazonApple TV
Retrograde
star
7.78
2342 votes

#9 - Retrograde

Season 4 - Episode 4 - Aired 12/13/2019

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

Directors: David Petrarca
Watch Now:AmazonApple TV
Oppressor
star
7.75
2334 votes

#10 - Oppressor

Season 4 - Episode 5 - Aired 12/13/2019

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

Directors: Jeff Woolnough
Watch Now:AmazonApple TV