Season
Episodes
Homecoming
A woman missing for seven years turns up at a hospital with strange scars on her back but can't -- or won't -- reveal where she's been.
New Colossus
The OA retraces the dramatic twists and turns in her life after a childhood accident, leading up to a fateful encounter far from home many years later.
Champion
A journalist approaches the family with an offer. At Hap's, a bond is forged with Homer and the others as they hatch a desperate plan.
Away
An agonizing dilemma gives OA a new perspective on the group's plight. Homer resolves to find out what Hap's experiments are really about.
Paradise
While Hap zeroes in on a new test subject in Cuba, Homer and OA work to perfect their escape plan. Scott reaches his breaking point.
Forking Paths
As the group continues its search for the final movement, a startling turn of events gives Hap's work a new urgency.
Empire of Light
An ominous new dream and a tense outing with Nancy and Abel take a toll on OA. Steve finds his life in turmoil once again.
Invisible Self
After OA recounts a dramatic final night at Hap's, the others begin to see her story in a new light. The fragments of the dream click into place.
Cast
Brit Marling
OA / Nina Azarova
Jason Isaacs
Dr. Hunter 'Hap' Percy
Emory Cohen
Homer Roberts
Kingsley Ben-Adir
Karim Washington
Phyllis Smith
Elizabeth 'Betty' Broderick-Allen
Patrick Gibson
Steve Winchell
Brendan Meyer
Jesse
Brandon Perea
Alfonso 'French' Sosa
Ian Alexander
Buck Vu / Michel Vu
Will Brill
Scott Brown
Sharon Van Etten
Rachel
Paz Vega
Renata