5 Season
50 Episode
Orphan Black - Season 4 Episode 4 From Instinct to Rational Control
She's been duped.
Sarah realizes her goals have aligned with her once enemy and forms a precarious alliance in hopes of getting to the head of Neolution. Meanwhile, on her end, Alison dispatches Felix and Donnie to infiltrate a Neolution fertility clinic that Beth investigated. Back at the lab, Cosima and Scott receive a revolting delivery from Alison. As Rachel grows closer to Charlotte, Susan Duncan leaves a devastating decision in her hands.
- Year: 2017
- Country: Canada, United States of America
- Genre: Drama, Sci-Fi & Fantasy
- Studio: Space, BBC America
- Keyword: sibling relationship, clone, experiment, eugenics, identity swap, genetic enhancement
- Director: John Fawcett, Graeme Manson
- Cast: Tatiana Maslany, Jordan Gavaris, Josh Vokey, Maria Doyle Kennedy, Ari Millen, Kevin Hanchard