An illegitimate government now complicates efforts to save mankind from Sampson, the killer asteroid.
After the discovery that President Mackenzie is still alive—but had been poisoned—Harris ( Ian Anthony Dale), Grace ( Jennifer Finnigan), and Darius ( Santiago Cabrera) are scrambling to topple the new administration of President Bennett.
WATCH: Preview Of The Salvation Season 1 Finale
Meanwhile, Darius is running out of time to finalize his plans for the ark. Will there be a real future for Liam ( Charlie Rowe) and Jillian ( Jacqueline Byers)? Will Darius, who was disqualified from his own escape plan, find another solution?
STREAM: Full Episodes Of Salvation On CBS All Access
There's plenty more to enjoy from Salvation's thrilling first season!
WATCH: What Would The Salvation Stars Bring With Them On A Space Ark?
WATCH: Could The Salvation Stars Keep The Secret That The World's About To End?
WATCH: Santiago Cabrera Takes You On A Salvation Set Tour
WATCH: Would The Salvation Stars Take One Giant Leap To Colonize A New Planet?
WATCH: The Full Salvation Panel From San Diego Comic-Con 2017
TAKE THE QUIZ: Do You Have What It Takes To Save Earth From A Killer Asteroid?
Watch the Season 1 finale of Salvation at a special time on Wednesday, Sept 20 at 10/9c on CBS and CBS All Access.