USA,
(2015–2022), 46 h 56 min
(Length: 40–63 min)
VOD (1)
Seasons(6) / Episodes(62)
Plots(1)
The crew of the Rocinante discover a derelict vessel which holds a secret that may be devastating to human existence. (official distributor synopsis)
Gallery (762)
Critical Mass (S01E09)
Photo © SyFy US
![The Expanse - Critical Mass - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/160/572/160572525_a8325c.jpg)
Critical Mass (S01E09)
Photo © SyFy US
![The Expanse - Critical Mass - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/160/572/160572527_199879.jpg)
Critical Mass (S01E09)
Photo © SyFy US
![The Expanse - Critical Mass - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/160/572/160572522_e7f841.jpg)
Critical Mass (S01E09)
Photo © SyFy US
![The Expanse - Critical Mass - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/160/572/160572513_50c915.jpg)
Critical Mass (S01E09)
Photo © SyFy US
![The Expanse - Critical Mass - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/160/572/160572530_ea55dc.jpg)
Critical Mass (S01E09)
Photo © SyFy US
![The Expanse - Critical Mass - Photos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/160/572/160572532_730fe5.jpg)