How to watch The Expanse Season 5 online from anywhere 16 Dec 2020 The Rocinante and its intrepid crew are returning for ten all-new episodes and we have all the details on how you can watch season 5 of The Expanse online. The space drama is set in the 24th century in a future where humanity has colonized the solar system. While the first three seasons of The Expanse premiered on Syfy, the network ultimately decided to cancel the show and it was then that Amazon picked up the series for additional seasons. Part of the reason it did so is due to the fact that Jeff Bezos is a huge fan of the books of the same name by James S. A. Corey.