A Traumatic Encounter - Orphan Black
Watch Orphan Black Season 4 Episode 3
"The Stigmata of Progress"
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On Orphan Black Season 4 Episode 3, Sarah investigates a shocking discovery of Neolution's biotech and ends up having a traumatic encounter.

The Next Aspect - Orphan Black
Watch Orphan Black Season 4 Episode 2
"Transgressive Border Crossing"
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On Orphan Black Season 4 Episode 2, Sarah uncovers the next aspect of the Neolution's agenda while tracking down an elusive new ally.

On the Run - Orphan Black
Watch Orphan Black Season 4 Episode 1
"The Collapse of Nature"
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On Orphan Black Season 4 Episode 1, Sarah's refuge in Iceland is destroyed when Neolution attacks and she is forced to flee once again in the season premiere.

Alison's Candidacy - Orphan Black
Watch Orphan Black Season 3 Episode 10
"History Yet to Be Written"
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On Orphan Black Season 3 Episode 10, Sarah tries to protect Kendall while Leda and Castor and Topside all go head to head, but a new player reveals themselves along the way.

Sarah & Felix - Orphan Black Season 3 Episode 9
Watch Orphan Black Season 3 Episode 9
"Insolvent Phantom of Tomorrow"
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On Orphan Black Season 3 Episode 9, the clone club heads to London to track down the mysterious original DNA donors for both Leda and Castor.

At a Price - Orphan Black
Watch Orphan Black Season 3 Episode 8
"Ruthless in Purpose, and Insidious in Method"
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On Orphan Black Season 3 Episode 8, Rachel and Sarah make a deal regarding Duncan's book, and Cosima and Delphine finally talk about their relationship.

Team Hendrix! - Orphan Black Season 3 Episode 7
Watch Orphan Black Season 3 Episode 7
"Community of Dreadful Fear and Hate"
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On Orphan Black Season 3 Episode 7, Alison drags Cosima and Felix into her drug dealing mess when Jason's new buyer threatens to kill Donnie.

Felix Searches for Sarah - Orphan Black
Watch Orphan Black Season 3 Episode 6
"Certain Agony of the Battlefield"
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On Orphan Black Season 3 Episode 6, Paul seeks to take down Dr. Coady, but his efforts have disastrous consequences. Elsewhere, Felix questions Rachel about Castor.

Testing - Orphan Black
Watch Orphan Black Season 3 Episode 5
"Scarred by Many Past Frustrations"
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On Orphan Black Season 3 Episode 5, Sarah and Helena are finally reunited at camp Castor, and they attempt a daring escape from their prison together.

Mark Is Taken Down - Orphan Black Season 3 Episode 4
Watch Orphan Black Season 3 Episode 4
"Newer Elements of Our Defense"
Original Air Date:

On Orphan Black Season 3 Episode 4, Sarah finds a shocking revelation about the original Castor DNA, and Helena digs deeper in Castor headquarters

Orphan Black Quotes

Doctor: So, Mrs. Hendrix, how have you been feeling?
Helena: A little tired and many farts.

Alison: This is Helena we're talking about here. She eats frozen bread and she's murdered people.
Donnie: Well... so have we.
Alison: That's different. Helena's trained to kill people. We're manslaughterers.