Where to watch in United Kingdom
Checked October 11, 2026
Available in 31 other countries 30 with streaming
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Availability history in United Kingdom
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Overview
In 1963, the U.S. government launched a covert space mission sending hundreds of men, women and children on a century-long voyage aboard the starship Ascension to populate a new world. Nearly 50 years into the journey, as they approach the point of no return, a mysterious murder of a young woman causes the ship’s population to question the true nature of their mission.
Cast
Tricia HelferViondra Denniger
Gil BellowsHarris Enzmann
Brian Van HoltCaptain William Denninger
Andrea RothDr. Juliet Bryce
Brandon P BellFirst Officer Oren Gault
Jacqueline ByersNora Bryce
Tiffany LonsdaleEmily Vanderhaus
P.J. BoudousquéJames TobackSeasons and episodes
1 season3 episodes
Miniseries
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E1 Chapter One
The passengers of a starship on a century-long voyage to populate a new world begin to question the true nature of their covert mission when 50 years into their journey, which began in 1963, a young woman turns up dead of suspicious circumstances.
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E2 Chapter Two
Aaron investigates an explosion on Ascension, while Captain Denninger covers up its true cause. Elsewhere, Viondra suspects there is a traitor within her ranks of stewardesses after Councilman Rose becomes privy to inside information; something mysterious seems to be happening to young Christa Valis; and James Toback attempts to impress Nora by making a deal to get into Officers Training School.
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E3 Chapter Three
The Ascension passengers are in for many surprises when the selection of families eligible for birthing rights is announced; the Denningers work together to secure their power and upset Councilman Rose; and Viondra seizes an opportunity to assert her dominance when a mysterious power surge knocks out systems on the ship.
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