Orphan Black — Season 1, Episode 4: Effects of External Conditions

Episode synopsis

Sarah realizes that the Orphans’ survival is going to take more than police work. But tracking the killer threatens Sarah’s long awaited reunion with her daughter, Kira. As Sarah gets closer to the killer, the killer gets closer to the truth – the ensuing showdown threatens to expose her ruse as a cop.

About Orphan Black

A streetwise hustler is pulled into a compelling conspiracy after witnessing the suicide of a girl who looks just like her.

More episodes from Season 1

• E1Natural Selection
• E2Instinct
• E3Variation Under Nature
• E5Conditions of Existence
• E6Variations Under Domestication
• E7Parts Developed in an Unusual Manner
• E8Entangled Bank
• E9Unconscious Selection
• E10Endless Forms Most Beautiful