What would you do if you discovered there was more than just one of you? That's the unusual predicament faced by Sarah Manning (Tatiana Maslany) in this Canadian sci-fi series, after she witnesses the suicide of her doppelganger only to learn that the dead woman is a clone...just like herself! Searching for answers about the disconcerting revelation, Sarah assumes her clone's identity, but stumbles onto a plot to assassinate other unsuspecting clones. Dylan Bruce, Jordan Gavaris co-star.
All 10 episodes of the fourth season are presented in a two-disc set. 7 1/4 hrs. total. Widescreen (Enhanced); Soundtrack: English DTS HD 5.1 Master Audio; Subtitles: English (SDH); featurettes.