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Orphan Black

Seasons: 5
Episodes: 50
User ratings: 91,773
Average rating: 8.3

Action, Drama, Sci-Fi

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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Season 1

Season 2

Season 3

Season 4

Season 5


Episodes details table

Natural Selection
Sarah Manning witnesses the death of a woman who looks exactly like her. She decides to escape her dramatic life and take the woman's identity for her own. But converting to a new life is harder than she expected.
User ratings: 2,105
Average rating: 8.3
Sarah looks deeper into the secret life that Beth seems to have lead. Art refuses to return Beth's money until Sarah goes through with the hearing.
User ratings: 1,716
Average rating: 8.2
Variation Under Nature
Sarah has reinstated Beth into the detective force just as law enforcement finds Katja Obinger's body.
User ratings: 1,598
Average rating: 8.4
Effects of External Conditions
While Sarah tries to track down her mysterious blonde clone, Alison fills in for Sarah on a visit to see her daughter.
User ratings: 1,508
Average rating: 8.4
Conditions of Existence
Both Sarah and Alison believe that their lovers are actually monitoring them. Vic finds out that Sarah's alive.
User ratings: 1,471
Average rating: 8.5
Variations Under Domestication
Sarah's hunt for answers is interrupted by a trip to the suburbs. Alison's paranoia has boiled over, putting all the Orphans at risk. But when Sarah, Alison and Beth's worlds dangerously collide, Sarah must decide who to trust with her secret.
User ratings: 1,509
Average rating: 8.6
Parts Developed in an Unusual Manner
With Paul missing, Sarah is forced to confront the conspiracy head on. But when Paul learns Sarah has kept essential information from him, the fragile trust between them threatens to shatter. Meanwhile, Cosima grows closer to Delphine and the dangerously fascinating Dr. Leekie.
User ratings: 1,416
Average rating: 8.4
Entangled Bank
Art and Angela investigate Sarah's life. Alison has an affair with her best friend's husband. Paul ties up a loose end. Helena finds Sarah's weak spot.
User ratings: 1,425
Average rating: 8.7
Unconscious Selection
After Kira's life is threatened, Sarah is on the warpath, but Dr. Leekie makes her think twice about her plans for revenge. Meanwhile, Cosima faces the truth about Delphine, forcing her to choose sides. Now, it's up to Sarah to decide the killer's fate, but the truth about where Sarah came from changes everything.
User ratings: 1,406
Average rating: 8.8
Endless Forms Most Beautiful
Dr. Leekie offers deals to both Alison and Cosima. Sarah meets Rachel Duncan. Delphine tries to make amends. Alison tries to get her life back together. Helena escapes.
User ratings: 1,612
Average rating: 9.1
Nature Under Constraint and Vexed
Sarah learns that Kira and Siobhan's disappearance is down to Rachel who wants her to come back. She manages to avoid Rachel's henchmen. Cosima decides she will research her own illness. Delphine finds herself under suspicion when she returns to the DYAD Institute. Alison is trying to get her family life in order. She's given up drinking and has gotten involved in community theater. She agrees to help Felix and Sarah by getting them an unregistered gun. When Sarah finally gets close to Rachel, she learns she needs to look elsewhere.
User ratings: 1,428
Average rating: 8.7
Governed by Sound Reason and True Religion
Sarah decides to tell Det. Art Bell just what has been going. He gets information for her that indicates Kira's abductors are a religious sect known as the Prolethians. She manages to trace a call from Kira but finds that it's Siobhan who has taken Kira for her own protection. They've also been living with the same couple who first took them in when Sarah was just a child. Helena meanwhile is recovering in hospital when she is taken by the Prolethians to a farm. At Dyad, Cosima settles into her new lab but Rachel wants something from her. Alison panics when she finally realizes that her watcher wasn't her friend Aynsley but in fact her husband Donnie. She sets a trap for him.
User ratings: 1,227
Average rating: 8.5
Mingling Its Own Nature with It
Sarah, Felix and Kira are on a road trip of sorts but Daniel Rosen isn't far behind. They take refuge in a house that turns out to be owned by someone Sarah knows. Felix packs his bags and leaves. Rosen has his first contact with Henrik Johanssen who arrives at the halfway house only to set it on fire. He soon tracks down Sarah. Pressure in mounting on Alison as opening night approaches. Art tells his partner Angela to lay off the case but she is dogged in her pursuit of Alison and poses as a new neighbor. Alison is quickly onto her, thinking she's a new monitor. Cosima learns of another clone, Jennifer, who had respiratory problems much like hers and died only a few days ago.
User ratings: 1,179
Average rating: 8.3
Governed as It Were by Chance
Cal is able to get Sarah away from Rosen, they believe permanently. Sarah, Kira and Cal decide to go on the run, most specifically from the aftermath of the incident with Rosen. Sarah comes to the realization that she needs to find out more about what Mrs. S knows, most specifically about the Leda project. She enlists Cosima's help in this matter, which leads to them discovering some information about Rachel. During the process, Sarah has to decide how much she will tell Cal, while Cal has to decide how much he will help Sarah unless she is totally up front with him. Mrs. S looks to her past for her own information regarding Sarah. After her literal fall on stage, Alison awakens in what she believes is the Dyad Institute, which is not quite the case. Felix has to convince her that where she actually is will do her some good, and for her to treat it like a week at the spa. Donnie may ruin Alison's "spa" week. Henrik knows that Art is watching the farm, about which Henrik doesn't care just as long as Helena stays out of view. Helena staying out of view may not be an issue if Gracie has her way.
User ratings: 1,202
Average rating: 8.7
Ipsa Scientia Potestas Est
Having found Daniel Rosen dead in her apartment, Leekie suggests to Rachel that it's the results of her heavy-handed tactics. Rachel assures him she's only just begun and asks Paul to become her new monitor. She orders Leekie to shut down Cosima's testing until Sarah turns herself in but he's prepared to continue helping Cosima in return for information from her. Felix is not too keen having Helena living in his flat and is happy to turn her over to Det. Art Bell. She tells him about a storage locker but it's clear Helena has a plan to kill Rachel. Kira and her dad Cal are still hiding out in his motor home and she tells him about her aunts who look just like her mom. At the farm, Gracie's father has locked her away until she tells them exactly what happened with Helena.
User ratings: 1,137
Average rating: 8.5
To Hound Nature in Her Wanderings
Sarah and Helena are on a road trip - Helena's first - to Cold River looking to find Ethan Duncan, the Swan Man. Only thing is Sarah can't find it on a map. It is a place however, an institute with a large archive. While Sarah digs through the archive Helena goes to a nearby bar where a couple of rednecks try to give her a hard time. With information that a Mr. Peckham had also recently visited the archives Sarah sets off to his house only to find that someone she already knows is there. Leekie has started treating Cosima but is surprised when she learns he has hired Scott to work at Dyad. He soon makes an interesting discovery. At the rehab center, Alison is shocked to find that Vic, Sarah's one-time nemesis, is also a patient. Rehab seems to have had a positive effect on him. Donnie meanwhile visits without the kids which doesn't please her.
User ratings: 1,107
Average rating: 8.5
Knowledge of Causes, and Secret Motion of Things
When a rehab confidante betrays Alison and threatens to expose the truth about Aynsley's death, she goes into free fall on the eve of Family Day. With Donnie and the kids set to visit, it's all clones on deck to contain the fallout.
User ratings: 1,170
Average rating: 8.8
Variable and Full of Perturbation
A new player in the clone conspiracy turns up at Felix's door, sending him into crisis mode. With Cosima running out of options, Sarah struggles with the decision to surrender a crucial piece of leverage and make a deal with DYAD.
User ratings: 1,122
Average rating: 8.0
Things Which Have Never Yet Been Done
Cosima takes a turn for the worse, forcing Sarah to take desperate action - with tragic consequences for those she loves. The Proletheans set their ultimate plan in motion. Alison and Donnie tangle with the law.
User ratings: 1,085
Average rating: 8.8
By Means Which Have Never Yet Been Tried
After the successful abduction of Kira, Sarah prepares to surrender to Rachel and the Dyad Group; but the Clone Club has other ideas as they band together to pull off the ultimate rescue.
User ratings: 1,408
Average rating: 9.2
The Weight of This Combination
With Rachel in the hospitable, unconscious and possibly brain damaged, Delphine Cormier is now in charge at Dyad. When she learns that an investigator from topside, Ferdinand, is coming to see Rachel and get a report on recent events, she presses Sarah to impersonate her. It gets even more challenging when she then needs Alison - soccer mom extraordinaire and prospective candidate for a seat on the school board - to impersonate Sarah. Ferdinand and Sarah obviously have a history however. Helena meanwhile is being kept prisoner by Castor and Sarah is more than upset when she learns who is responsible.
User ratings: 1,146
Average rating: 8.4
Transitory Sacrifices of Crisis
Sarah gets a lead on Helena after Rudy and Seth assault a woman in a hotel room and she files a complaint. Paul Dierden orders them back to Castor's base but they decide to finish the job they were sent out to do, to find the tissue samples of the original Castor genome. Seth is not well however. Helena's captor, Dr. Virginia Coady, learns something interesting from the blood tests she's run. Cosima's health has improved considerably but Scott simply can't explain them. Neither of the trust Dr. Nealon, who Delphine has put in charge, but Scott admits he finds him to be an excellent researcher. Alison desperately wants to run for a seat on the school board but their current financial situation is such that they can't support a campaign. She may have an idea on the money front. Cal meanwhile has a surprise for Sarah and Kira.
User ratings: 975
Average rating: 8.1
Formalized, Complex, and Costly
Mark and Gracie are staying in a motel and he comes clean as to just why he ended up at the farm and part of Prometheus. It doesn't go down well. Gracie visits Willard Finch, her father's friend who kept materials for him but when she doesn't return with the genetic samples, Mark pays him a visit. Det. Art Bell drops in on Sarah at an inopportune time but he may have a lead on Mark. Sarah learns of Helena's condition. Rudy returns to the Castor base but Dr. Coady is concerned by how rapidly the defect appeared in Seth. She send Paul to speak to their Director. Alison and Donnie are out campaigning and using their new business venture as a means of ensuring support come election time. Cosima and Scott make an amazing discovery.
User ratings: 927
Average rating: 8.1
Newer Elements of Our Defense
Sarah's fate hangs in the balance as she tries to save her sister.
User ratings: 910
Average rating: 8.2
Scarred by Many Past Frustrations
Sarah and Helena suffer a strained reunion; the Leda family worries about Sarah's absence.
User ratings: 919
Average rating: 8.5
Certain Agony of the Battlefield
Paul learns the truth about Coady's plans for Castor and has no choice but to make a dangerous play.
User ratings: 1,562
Average rating: 9.3
Community of Dreadful Fear and Hate
The day has arrived for Alison to officially enter the election for school board trustee and there's an event at the local school. It's also the day however that she and Donnie are to close the deal on buying her mother shop and she and Jason are to meet with a major drug dealer to pay $30,000. It all starts to go wrong when Donnie mixes up the envelopes and the drug dealer gets her nomination papers and her mother decides not to sell. Meanwhile, Sarah and Helena are waiting are waiting for Mrs. S to collect them. Helena can't wait to see her again - and has every intention to kill her.
User ratings: 957
Average rating: 8.6
Ruthless in Purpose, and Insidious in Method
Ruthless in Purpose, and Insidious in Method Rachel bargains for her freedom with decoding Duncan's Moreau book.
User ratings: 932
Average rating: 8.8
Insolvent Phantom of Tomorrow
Clone Club heads to London to track down the Castor Original, but their enemies follow closely.
User ratings: 912
Average rating: 8.8
History Yet to Be Written
Kendall may be the key to stop Castor; the sisters appear to be thwarting their most dangerous foe.
User ratings: 1,128
Average rating: 9.2
The Collapse of Nature
A flashback to Beth Childs' final investigation, days before her suicide.
User ratings: 1,078
Average rating: 8.9
Transgressive Border Crossing
After fleeing Iceland, Sarah begins searching for M.K. and uncovers new clues to Beth's breakdown. Scott learns Kendall Malone is hiding something.
User ratings: 831
Average rating: 8.6
The Stigmata of Progress
As Sarah scrambles to learn more about her implant, Alison and Donnie take a drastic step to help. Meanwhile, Kira has a disturbing vision.
User ratings: 757
Average rating: 8.4
From Instinct to Rational Control
While Cosima examines Leekie's body, Felix and Donnie pose as a couple to learn more about a fertility clinic. Sarah discovers M.K. has her own agenda.
User ratings: 750
Average rating: 8.5
Human Raw Material
A risky cover mission at Brightborn yields several big surprises. The rift between Sarah and Felix grows as she checks up on Adele.
User ratings: 778
Average rating: 8.6
The Scandal of Altruism
Seeing that it is the best overall solution yet not perfect by any means, Sarah and Cosima decide with Kendall's OK to set up an agreement with Susan Duncan, which they will not divulge to Mrs. S. until everything is arranged as they know she won't like what they've done. That agreement is an agent representing Susan will remove the bot from Sarah's cheek, with Cosima on site to ensure Sarah's safety. As Scott and Cosima have not yet come up with a "cure" for Cosima and the other affected Leda clones, they in turn will provide their research and Kendall to Susan, with Scott harvesting the necessary cell from Kendall so that Susan can continue the work on curing the affected Leda clones. The agreement does not include providing any of Kendall's DNA for the Castor project. When these two sides of the agreement are accomplished on neutral sites, Susan's agents will release Cosima, while Kendall will be whisked away to safety back at the safe house. While those involved hope to get what they want out of the agreement, they may be unaware that there is at least one other person in the know who may have a different view of the Leda project and Kendall's utility. Meanwhile, Krystal is in the police precinct to report what she believes is going on with the illegal use of stem cells in cosmetics production. Art is able to intervene so that Krystal feels like her issues are addressed, while anyone who may have known Beth will not be suspicious. Art feels he needs to call in support, the person to the rescue being the one who may most be able to placate Krystal.
User ratings: 1,354
Average rating: 9.4
The Antisocialism of Sex
Sarah, Alison and Cosima all feel some deep seated sense of responsibility for Kendall's murder. That event leads to a strain between Sarah and Mrs. S., who also believes Sarah is largely at fault. As such, Sarah reverts back to old habits and contemplates following the lead of another one of the sisters, while Mrs. S., with the help of Art, decides that some revenge is in order. Although feeling the severity of the situation, the Hendrixes decide to hold Gemma's birthday party as planned to retain some normalcy in their children's lives. But with things swirling around them in light of Kendall, the party takes an interesting turn. Cosima and Scott have to figure what their next steps are in light of all their research being wiped out and/or in the hands of the Neolutionists. With the one small but integral part of the Neolutionists work in their hands, Cosima makes a unilateral decision on how best to proceed at her own risk. In finding out what is happening with the sisters, Felix feels the need to come to their assistance, specifically with Cosima in telling her what little he has learned about Delphine's fate. Meanwhile, with Evie now leading the Neolution project, Sarah, Alison and Cosima in particular are seen as being threats to the success of the work, while Rachel tries to figure out where she fits into the picture still being under Susan and Ira's custody.
User ratings: 784
Average rating: 8.3
The Redesign of Natural Objects
Siobhan wants vengeance for her mother. Cosima and Susan Duncan try to come together to try to finally find the cure. Neolution continues with their threats causing Alison to be terrified, and Mrs. To question her loyalty to her sestras.
User ratings: 737
Average rating: 8.6
The Mitigation of Competition
The formal alliance between the sisters on one side Susan/Rachel/Ira on the other side begins in earnest. Cosima has arrived on the island where she and Susan will begin the process of finding a cure for both Leda and Castor by developing original DNA in the absence of Kendall through fertilization of one of Sarah's eggs with Ira's sperm, while Sarah and Felix meet with Rachel and Ira to discuss the next step in bringing down Evie Cho and restoring Susan as the head of Neolution. As Evie ramps up her media campaign to bring BrightBorn's work to the masses, Sarah, Rachel, Felix and Ira learn that two women, Tabitha Stewart and Kendra Dupree, have escaped from BrightBorn's facility, Tabitha near the end of her pregnancy and Kendra with her newborn. Rachel believes that what Tabitha and Kendra know and bringing it to public light is the key to exposing Evie's work. Sarah is determined for "her side" to do the work in finding the two women despite Sarah being Evie's primary target, having her side being down in human resources with both Cosima and Alison out of commission and Helena still MIA, and knowing that Evie has her operatives also tracking the two escaped women. Through the process, Sarah and Rachel still display obvious animosity toward each other. They will learn if their mistrust of the other is warranted. Meanwhile, Donnie has been released from remand with Adele still tasked with leading their legal team. In her reunion with her husband, Alison comes to some realizations about her current life, and with Donnie has to make some decisions about how to rectify what has been missing of late. Felix comes to a decision of his own about his personal life as he and Adele help the Hendrixes and as someone unexpectedly shows up on his doorstep. And Rachel continues to see visions, still of the swan but the visions more fully realized, but still without fully understanding why she is having these visions and what they mean.
User ratings: 783
Average rating: 8.8
From Dancing Mice to Psychopaths
To continue their work, BrightBorn has publicly replaced Evie Cho with Dr. Ian Van Lier. Krystle recognizes Dr. Van Lier in relation to Delphine, and demands answers from Felix before she will divulge to him what she knows. As such, Felix and the sisters have to decide how much they will tell Krystle about her unknown background. What is happening publicly at BrightBorn masks power plays behind the scenes. Although Cosima informs Sarah that she and Susan have finally developed a cure, Sarah knows that what on the surface is a broken Internet connection with the island is not good news for what may happen to Cosima in that power struggle. In that struggle, each player has his or her own goal which may not be compatible with the goals of any of the other factions. When Sarah learns what is happening, she has to try to figure a way to get to the island to have what may the ultimate showdown with Rachel and to save Cosima, who may not have much time regardless.
User ratings: 923
Average rating: 8.9
The Few Who Dare
Desperate to get off the island and reunite with her family, a wounded Sarah journeys into the island's interior, only to discover a mysterious village - the beating heart of the Neolution agenda.
User ratings: 746
Average rating: 8.1
Clutch of Greed
Dragged home from the Island by Neolution, Sarah refuses to follow Rachel's new regime. Sarah sets a plan in motion to get her and her daughter out of Neolution's reach for good.
User ratings: 665
Average rating: 8.2
Beneath Her Heart
As Clone Club reels from the loss of one of their own, Sarah gnaws at the shackles Rachel has firmly placed around her family. Alison struggles to find her place in the sisterhood.
User ratings: 654
Average rating: 8.2
Let the Children and Childbearers Toil
Sarah and Siobhan follow a lead on a Neolution defector, hoping for enough leverage to free Kira from Dyad's clutches. Also, Cosima investigates rumors about a creature in the woods.
User ratings: 624
Average rating: 7.9
Ease for Idle Millionaires
While Sarah and Kira spend time at home bonding, Cosima unlocks the island's biggest secret, discovering a link between the village's so-called creature and the science around Kira.
User ratings: 633
Average rating: 8.2
Manacled Slim Wrists
Cosima is forced into an alliance with Susan Duncan when an old enemy returns to the Island. Meanwhile, on the mainland, Krystal stumbles onto a vital clue to the Neolution endgame.
User ratings: 631
Average rating: 8.5
Gag or Throttle
As Westmoreland demands a more aggressive approach with Kira, and Sarah fights to save her daughter, Rachel discovers a dark secret that makes her question her place within Neolution.
User ratings: 760
Average rating: 9.0
Guillotines Decide
Now that Sarah and Mrs. S have Kira back, they need to get her into a safe place. The activity around their house is remarkably quiet which Sarah believes is not a good sign. However, Mrs. S would like them now to focus on other things in their lives, namely Felix's first art exhibit in two years, he and Adele who have come back from their sleuthing in Switzerland. This exhibit is important for Felix as major art dealers and critics will be in attendance. All the sisters who are around - Sarah, Alison and Cosima - know the role they are to play in Felix's big day. However, Sarah can't help but believe that Mrs. S is up to something. Cosima can't ask Delphine, Mrs. S's recent partner in crime, in their new "don't ask, don't tell" relationship. If Sarah were to discover what Mrs. S and Delphine are up to, she may not agree with what they hope will be their final attempts to bring Neolution down for good. Meanwhile, Gracie is still at the convent with Helena, the latter unaware of Gracie's true purpose for being there, which is not a need for sanctuary following Mark's death.
User ratings: 787
Average rating: 9.2
One Fettered Slave
Sarah, Felix and Kira mourning the death of S coincides with they and the other sisters learning from Sister Irina that Helena has been kidnapped. The sisters' first thought is that she has been taken to the island, but they figure that the one person who they now may seemingly be able to trust to some extent that would know for sure is Rachel. Rachel is only able to fill in some of the pieces. However, with news of Dyad's involvement in the genetics project hitting the media, Interpol has been called in to take over from the police the investigation of the deaths of some Dyad board members. While this may pose some problems for Art, he knows that Enger too is someone who probably knows Helena's whereabouts. The sisters also believe that Al-Khatib may be useful under the current circumstances, where he is trying to protect himself from what is going on with the Board. Meanwhile, Westmorland is becoming more desperate for a cure as he knows he is close to death without it, he ordering action be taken on Helena earlier than she may be ready. Under this circumstance, Coady, as the lead scientist, has to decide where her priorities lie: still with Westmorland; to Mark as the remaining Castor; or to the actual science. And as action is taken upon Helena, she may her own thoughts about what is best for herself and her unborn children, taking into account her entire existence, where she long believed she was the original and now knows she is only one of the clones.
User ratings: 663
Average rating: 8.9
To Right the Wrongs of Many
Now in labor, Helena is forced to hunker down in the basement of Old Dyad for the delivery. It's a cage match for survival as Sarah and Art struggle to protect her in a desperate last stand against Neolution.
User ratings: 987
Average rating: 9.3
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