Orphan Black

Season 4 Episode 4

From Instinct To Rational Control

9
Aired Thursday 10:00 PM May 05, 2016 on BBC America
8.6
out of 10
User Rating
29 votes

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Episode Summary

EDIT

Sarah forms an alliance with a former enemy in hopes of getting to the head of Neolution. Elsewhere: Alison orders Felix and Donnie to invade a Neolution fertility clinic and Susan Duncan leaves Rachel to make a devastating decision.

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Tatiana Maslany

Tatiana Maslany

Sarah Manning/Alison Hendrix/Cosima Niehaus/Helena/Rachel Duncan/M.K.

Jordan Gavaris

Jordan Gavaris

Felix Dawkins

Kristian Bruun

Kristian Bruun

Donnie Hendrix

Maria Doyle Kennedy

Maria Doyle Kennedy

Mrs. S

Ari Millen

Ari Millen

Ira

Josh Vokey

Josh Vokey

Scott

Joel Thomas Hynes

Joel Thomas Hynes

Dizzy

Guest Star

Allie MacDonald

Allie MacDonald

Trina

Guest Star

Dmitry Chepovetsky

Dmitry Chepovetsky

Dr. Henry A. Bosch

Guest Star

James Frain

James Frain

Ferdinand Chevalier

Recurring Role

Rosemary Dunsmore

Rosemary Dunsmore

Susan Duncan

Recurring Role

Jessalyn Wanlim

Jessalyn Wanlim

Evie Cho

Recurring Role

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Trivia, Notes, Quotes and Allusions

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