Orphan Black poster

TV series

Orphan Black

2013TV-MA5 seasons7.8 / 10

She's been duped.

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

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Where to watch in United States

Checked Jul 22, 2026

Orphan Black is available to stream on DirecTV On Demand, Netflix, Philo, Spectrum On Demand, YouTube TV, Hoopla, and The Roku Channel in United States. You can also rent or buy it from Google Play, Amazon, Apple TV, and Fandango at Home. Use the direct links below to open the provider.

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Synopsis

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

Season 4 episodes

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Episode 1

The Collapse of Nature

44m7.6 / 10

After two months of respite, Sarah’s hard-won refuge in Iceland is shattered by a Neolution attack. Once again forced to flee, she realizes no matter how far her family runs it will never be far enough.

Episode credits

Directed by John FawcettWritten by Graeme MansonGuest stars Dylan Bruce, Matt Frewer, Skyler Wexler, Ron Lea, Jean Yoon, David Richmond-Peck, Sarain Boylan, Raymond Ablack

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Episode 2

Transgressive Border Crossing

44m7.2 / 10

After evading a Neolution attack in Iceland, Sarah returns home to track down an elusive new ally. As Cosima struggles with Delphine’s disappearance, Alison and Donnie host a pregnant and ever-hungry Helena. Meanwhile Felix, feeling like an outsider, embarks on his own journey of self-discovery.

Episode credits

Directed by John FawcettWritten by Russ CochraneGuest stars Dylan Bruce, Skyler Wexler, Julian Richings, Alison Steadman, Sarain Boylan, Allie MacDonald, Rosemary Dunsmore, Joel Thomas Hynes

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Episode 3

The Stigmata of Progress

44m7.6 / 10

As Sarah reels from the shocking discovery of Neolution’s biotech, she’s desperate to find answers. Rachel receives a visit from her keeper and takes a fraught step forward towards recovery. Meanwhile, Helena is mistaken for “Mrs. Hendrix” when she answers a visit from suspicious visitors.

Episode credits

Directed by Ken GirottiWritten by Aubrey NealonGuest stars Skyler Wexler, Drew Davis, Rosemary Dunsmore, Joel Thomas Hynes, James Frain, Lauren Hammersley, Cynthia Galant, Gord Rand

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Episode 4

From Instinct to Rational Control

44m7.3 / 10

Sarah realizes her goals have aligned with her once enemy and forms a precarious alliance in hopes of getting to the head of Neolution. Meanwhile, on her end, Alison dispatches Felix and Donnie to infiltrate a Neolution fertility clinic that Beth investigated. Back at the lab, Cosima and Scott receive a revolting delivery from Alison. As Rachel grows closer to Charlotte, Susan Duncan leaves a devastating decision in her hands.

Episode credits

Directed by Peter StebbingsWritten by Alex LevineGuest stars Terra Hazelton, Julian Richings, Allie MacDonald, Rosemary Dunsmore, Joel Thomas Hynes, James Frain, Jessalyn Wanlim, Cynthia Galant

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Episode 5

Human Raw Material

44m7.7 / 10

Sarah’s day off to reconnect with Kira quickly turns into a sleuthing mission aimed squarely at discrediting Felix’s new ties. Cosima steps up with Donnie to further investigate the Neolutionist fertility research center. While Donnie bumps into an all too familiar face, Cosima makes a shocking discovery that leads her into a dangerous encounter.

Episode credits

Directed by David WellingtonWritten by Kate Miles MelvilleGuest stars Skyler Wexler, Rosemary Dunsmore, Jessalyn Wanlim, Lauren Hammersley, Miranda Edwards, Gord Rand, Dmitry Chepovetsky, Lamont James

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Episode 6

The Scandal of Altruism

44m8.1 / 10

When Cosima admits doubts about finding a cure in time to save her life, Sarah makes a lone decision that exposes Kendall to those she’s spent years hiding from. Meanwhile, Art and Felix team up to protect naïve clone, Krystal Godderitch, from herself.

Episode credits

Directed by Grant HarveyWritten by Chris RobertsGuest stars Julian Richings, Alison Steadman, Rosemary Dunsmore, Jessalyn Wanlim, Ian Matthews, Miranda Edwards, Gord Rand, Calwyn Shurgold

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Episode 7

The Antisocialism of Sex

44m7.2 / 10

Sarah regresses to old habits while struggling to cope with the consequences of her decisions —reconnecting with Beth on a dark night of the soul. Back at the lab, Cosima, haunted by vicious memories and news of Delphine, attempts a dangerous Hail Mary to find a cure. At the Hendrixes, Alison is more determined than ever to create normalcy for her kids. As she forges ahead with a birthday party, Donnie is caught in the Neolution crosshairs.

Episode credits

Directed by David FrazeeWritten by Graeme Manson, Nikolijne TroubetzkoyGuest stars Skyler Wexler, Millie Davis, Alison Steadman, Rosemary Dunsmore, Joel Thomas Hynes, Jessalyn Wanlim, Ryan Blakely, Cynthia Galant

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Episode 8

The Redesign of Natural Objects

43m7.3 / 10

As Alison is terrified by Neolution threats made against Donnie, Sarah and Mrs. S question her loyalty to her sisters. While Sarah is distracted, Siobhan sneaks out to seek vengeance. Meanwhile, Cosima and Susan Duncan work together in a final attempt to discover a cure.

Episode credits

Directed by Aaron MortonWritten by Peter MohanGuest stars Skyler Wexler, Terra Hazelton, Rosemary Dunsmore, Jessalyn Wanlim, Lauren Hammersley, Ryan Blakely, Anika Johnson, Barbara Johnston

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Episode 9

The Mitigation of Competition

44m7.7 / 10

With Susan Duncan deposed, Sarah finds herself in the same position as Rachel — under the heel of a new HBIC — causing the archenemies to come together for the greater good. Cosima and Susan butt heads on the ethical implications of human experiments. Meanwhile, when the Hendrixes' legal counsel, Adele, further investigates Donnie’s case, she begins to suspect Felix is keeping deep secrets. Helena’s arrival forces Felix to make a difficult decision.

Episode credits

Directed by David FrazeeWritten by Alex LevineGuest stars Evelyne Brochu, Allie MacDonald, Rosemary Dunsmore, Jessalyn Wanlim, Lauren Hammersley, Ryan Blakely, Cynthia Galant, Ian Matthews

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Episode 10

From Dancing Mice to Psychopaths

46m7.4 / 10finale

When communication with Cosima is cut off and Neolution appears to be within striking distance, Sarah's alliance with Rachel goes out the window. Sarah lures a high-level Neolutionist into a trap, and sets out to bring down Neolution once and for all.

Episode credits

Directed by John FawcettWritten by Graeme MansonGuest stars Evelyne Brochu, Skyler Wexler, Rosemary Dunsmore, James Frain, Jessalyn Wanlim, Janette Luu, Cynthia Galant, Lucie Guest

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Episode information updated Jul 23, 2026

More about Orphan Black

Cast

Tatiana MaslanySarah / Cosima / Alison / Helena / Rachel
Dylan BrucePaul Dierden
Jordan GavarisFelix 'Fee' Dawkins
Josh VokeyScott Smith
Maria Doyle KennedySiobhan 'Mrs. S' Sadler
Michael MandoVictor 'Vic' Schmidt
Ari MillenMark / Rudy / Miller / Ira
Kevin HanchardDetective Arthur 'Art' Bell

Credits

Created by
Graeme Manson, John Fawcett
Written by
Graeme Manson, Alex Levine, Karen Walton, Aubrey Nealon, Russ Cochrane, Chris Roberts, Tony Elliott, Renée St. Cyr, Jeremy Boxen, Sherry White, David Bezmozgis, Kate Miles Melville, Peter Mohan, Jenn Engels, Will Pascoe, Greg Nelson

Production details

Status
Ended
Series type
Scripted
Episodes
50
Original language
English

Networks & production

  • SpaceCanada
  • BBC AmericaUnited States
  • Bell MediaCanada
  • Temple Street ProductionsCanada
  • BBC AmericaUnited States

Themes

cloneeugenicsexperimentgenetic enhancementidentity swapsibling relationship