"Ipsa Scientia Potestas Est" is the fifth episode of the second season of Orphan Black that first aired on May 17, 2014. It is also the fifteenth episode overall. The live U.S. ratings for this episode was 0.510. [1]


Rachel goes on the warpath, lashing out at Sarah's nearest and dearest. While she tries to keep her loved ones safe, an unexpected visitor threatens to derail her plans.


Main Cast

Guest Starring


  • Josh Vokey as Scott
  • Nicholas Rose as Colin
  • Diana Salvatore as Bobby
  • Christy Bruce as Susan Duncan
  • Cynthia Galant as Young Rachel
  • Kevin Dennis as Detective
  • Peter Dillon as Cop

Title and Background

"Ipsa Scientia Potestas Est" is a Latin phrase, when translated into English it means "Knowledge is Power."


All songs for the episodes have been verified by TuneFind(A reliable source)[1]

  • "Head Over Heels" by Tears for Fears
  • "The Colors" by Hexes & Ohs
  • "Theme from Orphan Black" by Two Fingers



v - e - d


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