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The Expanse TV Series Watch Order (Book Mapping)
How to watch all six seasons of The Expanse in order, plus the roughly one-novel-per-season book mapping so you know exactly where the show stops in James S. A. Corey's nine-book saga. Watch order is simply release order, S1 through S6.
The Expanse TV Series Watch Order (Book Mapping): complete list
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Why this order?
The Expanse is one of the rare adaptations where the watch order question is trivial and the interesting question is everything around it. There is a single continuous story told across six seasons, so you watch in release order: Season 1 (2015), Season 2 (2017), Season 3 (2018), Season 4 (2019), Season 5 (2020), and Season 6 (2021, with the finale landing in January 2022). There is no chronological reshuffle to worry about and no side stories to slot in. Start at Season 1, episode 1, and keep going.
What newcomers actually want to know is the book mapping, because The Expanse runs roughly one novel per season and then stops. Season 1 adapts the first half of Leviathan Wakes and Season 2 finishes it before moving into Caliban's War, which spills into early Season 3. Season 3 then covers Abaddon's Gate, Season 4 adapts Cibola Burn, Season 5 takes on Nemesis Games, and Season 6 closes with Babylon's Ashes. That leaves the final three novels, Persepolis Rising, Tiamat's Wrath, and Leviathan Falls, unadapted. The show ends at a deliberate stopping point after book six, so the on-screen story feels complete even though the written saga continues for three more volumes and a thirty-year time jump.
One production note that trips people up: the show changed homes partway through. Syfy aired Seasons 1 through 3 from 2015 to 2018, then cancelled it, and a fan campaign helped Amazon revive it for Seasons 4 through 6 on Prime Video. The story is uninterrupted; only the network changed, so ignore the switch and watch straight through.
If the space opera hooks you and you want the rest of the story the show never filmed, that is where the books take over. Our companion guide the-expanse walks through the full nine-novel reading order, including the three finale books and the novellas, so you can pick up exactly where Season 6 leaves off and see how James Holden's arc really ends.
How many episodes is The Expanse?
The Expanse has 62 episodes across the 6 series entries tracked in this guide.
- The Expanse: Season 1 10 episodes 2015-2016
- The Expanse: Season 2 13 episodes 2017
- The Expanse: Season 3 13 episodes 2018
- The Expanse: Season 4 10 episodes 2019
- The Expanse: Season 5 10 episodes 2020-2021
- The Expanse: Season 6 6 episodes 2021-2022
Timeline 2015-2021
Every entry by release year: rows that share a year are a cluster, and the long droughts are called out on the rail.
- 2015 1
- 2017 2
- 2018 3
- 2019 4
- 2020 5
- 2021 6
Where to play it today
Availability changes often and varies by region - links search each platform for The Expanse.
Frequently asked questions
What order should I watch The Expanse in?
Just release order: Season 1, 2, 3, 4, 5, then 6. It is one continuous story with no flashback seasons or side series, so you start at the first episode and watch straight through.
Which book does each season of The Expanse adapt?
Roughly one novel per season: Leviathan Wakes (S1 into S2), Caliban's War (S2 into early S3), Abaddon's Gate (S3), Cibola Burn (S4), Nemesis Games (S5), and Babylon's Ashes (S6).
How many seasons and episodes are there?
Six seasons and 62 episodes total: 10 in Season 1, 13 in Season 2, 13 in Season 3, 10 in Season 4, 10 in Season 5, and 6 in Season 6.
Why did The Expanse change from Syfy to Amazon?
Syfy aired Seasons 1 to 3 from 2015 to 2018 and then cancelled the show. A fan campaign helped Amazon pick it up, and it produced Seasons 4 to 6 for Prime Video. The story continues without interruption.
Does the show cover all of the books?
No. The series ends after book six, Babylon's Ashes. The final three novels, Persepolis Rising, Tiamat's Wrath, and Leviathan Falls, were never adapted, so the show stops before the story's later 30-year time jump.
Where can I stream The Expanse?
All six seasons stream on Amazon Prime Video, which is the show's home after Amazon revived it. Availability can vary by region, so check your local Prime Video library to confirm every season is present.
Last verified · Sources: en.wikipedia.org, screenrant.com, justwatch.com
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