All the seasons of The Expanse have been thrilling, but which seasons really stand out? Interplanetary wars and interpersonal conflicts collide aboard the Rocinante. Some of the most memorable episodes of The Expanse come from different seasons, so picking the top season isn't easy. Some The Expanse seasons focus on the protomolecule conspiracy, while other good seasons reveal hidden enemies. To determine once and for all what the best seasons of The Expanse are, let's rank every The Expanse season from best to worst.
The Expanse is a science fiction series that follows James Holden and his crew as they do everything in their power to ensure the survival of humanity. The Expanse premiered on Syfy on December 14, 2015. Since season four, The Expanse has aired on Prime Video.
Vote up your favorite seasons of The Expanse, and vote down any seasons that you really didn't enjoy, despite how much you loved any individual episodes. Is your favorite season of The Expanse not as high as it should be? Be sure to vote it up so it rises to the top. It can be difficult to put one The Expanse season over the other when there are so many good ones, which is why you can vote on however many seasons you like.
The Expanse - Season 3
The third season of The Expanse premiered on April 11, 2018, and contains 13 episodes. This season deals with inner turmoil among the crew of the Rocinante as the conflict between Earth and Mars intensifies.
This season features several unforgettable episodes including: "Fight or Flight," "Delta-V," and "Congregation."
Memorable moments from Season 3 include:
- Errinwright convinces the UN to declare war.
- The Rocinante escorts the OPA fleet to the Ring.
- Clarissa protects Naomi and Holden.
The Expanse - Season 2
The second season of The Expanse premiered on February 1, 2017, and contains 13 episodes. This season finds the crew of the Rocinante investigating the protomolecule conspiracy.
This season features several unforgettable episodes including: "Safe," "Doors & Corners," and "Paradigm Shift."
Memorable moments from Season 2 include:
- An MCRN missile destroys Phoebe Station.
- Miller deals with Dresden.
- Holden gets attacked by the protomolecule monster.
The Expanse - Season 1
The first season of The Expanse premiered on December 14, 2015, and contains 10 episodes. This season introduces viewers to the crew of the Rocinante, as they investigate a deadly biohazard.
This season features several unforgettable episodes including: "Dulcinea," "The Big Empty," and "Salvage."
Memorable moments from Season 1 include:
- The ice carrier is destroyed.
- Julie Mao gest infected.
- Miller and Holden receive a dangerous dose of radiation.
- Photo: Amazon Video4
The Expanse - Season 5
The first half of the fifth season of The Expanse premiered on December 15, 2020, and contains a total of 10 episodes. This season finds the crew of the Rocinante and their allies confronting the sins of their past, while Marco Inaros unleashes an attack that will alter the future of Earth, Mars, the Belt, and the worlds beyond the Ring.
This season features several unforgettable episodes including: "Tribes," "Gaugamela," and "Winnipesaukee."
Memorable moments from Season 5 include:
- Amos goes to Earth to investigate the loss of a friend.
- The first of Inaros' stealth asteroids collide with Earth.
- Avasarala creates division in the UN Council.