<P> Mark Fergus and Hawk Ostby wrote the pilot, directed by Terry McDonough, and serve as writers and showrunners alongside Naren Shankar . Produced by Alcon Television and The Sean Daniel Company, principal photography started on October 29, 2014, in Toronto . The pilot episode was screened at San Diego Comic - Con in July 2015 . </P> <P> In May 2015, before the first season aired, writing commenced for a second season, which was ordered in December 2015 . The second season of The Expanse premiered on February 1, 2017 . </P> <P> On March 16, 2017, The Expanse was renewed by Syfy for a 13 - episode third season to air in 2018 . Filming for season 3 began on July 12, 2017 . </P> <P> Four digital comics based on the books and tying into the television series have been published by ComiXology . The first focuses on the origin of James Holden and was released February 1, 2017 . The next three, highlighting the origins of other characters are: Naomi Nagata, released April 19, 2017; Alex Kamal, released May 24, 2017; and Amos Burton, released July 12, 2017 . </P>

When does season 3 of the expanse start on netflix