With Rachel on the warpath, Sarah struggles to keep her loved ones safe on Orphan Black. "Ipsa Scientia Potestas Est" is the fifth episode of the show's second season.
Felix: You do realize I'm gonna have to paint this to paint this to come to terms with it. Sarah: Please stop. Felix: Yeah, you're right. I mean you shot your evil twin sister dead only to have her rise and gut your sister's henchman. How could I capture the nuance?