8.1
/10
Siobhan Sadler is a fictional character portrayed by Maria Doyle Kennedy in the TV series Orphan Black.
In the first episode they appeared in, titled Natural Selection (season 1), they were 48 years old.
They appear in all 50 aired episodes and have accumulated 76757 positive votes.
The character of Siobhan Sadler is mainly associated with Sarah Manning, Felix Dawkins and Kendall Malone.

Siobhan Sadler

by Maria Doyle Kennedy

character

Episodes50

  • 8.1
    /10

    Natural Selection
    episode S1.E1 march 2013
    Sarah, a streetwise hustler on the run from a lifetime of bad decisions, witnesses the suicide of a stranger who looks just like her. Sarah assumes her identity, hoping that cleaning out the dead woman’s bank account will solve all of her problems. Instead, the street smart chameleon is thrust headlong into a kaleidoscopic mystery. After taking on the new identity, Sarah quickly finds herself caught in the middle of a deadly conspiracy and must race to find answers.
    • 45min
  • 8
    /10

    Instinct
    episode S1.E2 april 2013
    With a body in her car and nowhere to turn, Sarah is forced to continue her con and earn “Beth” a second chance on the force. But with a killer on her tail, her only hope of finding answers lies with another apparent ‘identical,’ Alison.
    • 45min
  • 8.1
    /10

    Variation Under Nature
    episode S1.E3 april 2013
    Rocked by the revelation that she and her fellow "Orphans" are clones, Sarah just wants to get her hands on the money and skip town. But Sarah’s fake detective ruse stretches thin when the cops find the body she buried and assign “Beth” to the case. As Sarah closes in on the killer, the hunter becomes the hunted.
    • 45min
  • 8.2
    /10

    Effects of External Conditions
    episode S1.E4 april 2013
    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.
    • 45min
  • 8.2
    /10

    Conditions of Existence
    episode S1.E5 april 2013
    When terrifying evidence suggests the Orphans are part of a sinister ongoing experiment, Sarah’s suspicions turn to Paul, Beth’s boyfriend. But her probing inadvertently triggers Paul’s own investigation, bringing him dangerously close to the truth. Meanwhile, paranoid Alison piles on a whole new level of complication.
    • 45min
  • 8.4
    /10

    Variations Under Domestication
    episode S1.E6 may 2013
    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.
    • 45min
  • 8.1
    /10

    Parts Developed in an Unusual Manner
    episode S1.E7 may 2013
    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.
    • 45min
  • 8.5
    /10

    Entangled Bank
    episode S1.E8 may 2013
    Sarah's actions pit the Orphans against each other as she tries to plan her next move. As Paul tries desperately to cover up Sarah’s existence, Alison takes vengeance on her suspected monitor, which could cost her everything she holds dear.
    • 45min
  • 8.6
    /10

    Unconscious Selection
    episode S1.E9 may 2013
    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.
    • 45min
  • 8.9
    /10

    Endless Forms Most Beautiful
    episode S1.E10 june 2013
    Sarah’s last chance to bring her nemesis back to sanity slips away as Art intervenes to get answers of his own. Meanwhile, the Orphans must decide whether to make peace with their creators, as Sarah is forced into a deadly confrontation with their enemy.
    • 45min
  • 8.4
    /10

    Nature Under Constraint and Vexed
    episode S2.E1 april 2014
    Sarah is out of options, on the run, and pursued by deadly adversaries. Desperate to find her daughter Kira, Sarah suspects ruthless pro-clone Rachel is behind her daughter’s disappearance and sparks an all out war against her.
    • 45min
  • 8.2
    /10

    Governed by Sound Reason and True Religion
    episode S2.E2 april 2014
    While Alison struggles with Aynsley's death and Cosima grapples with the worsening symptoms of her mysterious sickness, Sarah enlists Art’s help to find Kira and is shocked when she learns where the trail leads.
    • 45min
  • 8
    /10

    Mingling Its Own Nature with It
    episode S2.E3 may 2014
    After hitting the road with Felix, Sarah is forced to turn to a ghost from her past — an old flame named Cal Morison. When their brief respite is brutally shattered, Sarah realizes that no matter how far she runs, it will never be far enough.
    • 45min
  • 8.4
    /10

    Governed as It Were by Chance
    episode S2.E4 may 2014
    Sarah comes home looking for answers, and with the help of Cosima, they begin digging into the origins of the clone experiment. The hunt for answers takes her right into the belly of the beast, but getting out could cost her more than she knows.
    • 45min
  • 8.2
    /10

    Ipsa Scientia Potestas Est
    episode S2.E5 may 2014
    Rachel goes on the warpath, lashing out at Sarah’s nearest and dearest. While she tries to keep her loved ones safe, an unexpected visitor threatens to derail Sarah’s plans.
    • 45min
  • 8.2
    /10

    To Hound Nature in Her Wanderings
    episode S2.E6 may 2014
    Sarah joins forces with an unlikely and untrustworthy ally, following a trail of clues that she hopes will lead her to the origins of the clone experiment. Cosima and Delphine make a discovery that could prove to be the key to treating her illness. Alison finds herself in unsavory company at rehab.
    • 45min
  • 8.6
    /10

    Knowledge of Causes, and Secret Motion of Things
    episode S2.E7 may 2014
    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.
    • 45min
  • 7.7
    /10

    Variable and Full of Perturbation
    episode S2.E8 june 2014
    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.
    • 45min
  • 8.5
    /10

    Things Which Have Never Yet Been Done
    episode S2.E9 june 2014
    Cosima takes a turn for the worse, forcing Sarah to take desperate action which results in tragic consequences for those she loves. The Proletheans set their ultimate plan in motion, while Alison and Donnie tangle with the law.
    • 45min
  • 9
    /10

    By Means Which Have Never Yet Been Tried
    episode S2.E10 june 2014
    The war with Dyad is all but lost when Rachel’s latest ploy forces a broken Sarah to concede. The Clone Club springs into action, uniting in a reckless gambit to save Sarah. As they fight to gain their freedom, Sarah encounters a new ally and uncovers a terrifying new dimension to the conspiracy.
    • 45min
  • 8.1
    /10

    The Weight of This Combination
    episode S3.E1 april 2015
    Sarah pursues the missing Helena who is held in a faraway compound. Sarah must use her wiles – and acting chops – to deter a Topside investigator who threatens the Leda sisters’ lives. Meanwhile, Cosima appears to be rebounding from her illness, while Alison and Donnie face newfound financial woes. But when the menace of Castor rears its head once more, Sarah and her entire family must come together to survive.
    • 45min
  • 7.8
    /10

    Transitory Sacrifices of Crisis
    episode S3.E2 april 2015
    Castor pursues the Leda clones for original tissue samples. Helena, who is pregnant and imprisoned, is examined by a mysterious new villain. The Castor boys are also out to play, toying with a frightened young woman, Patty, in a sexy switcheroo that ultimately sets Sarah – and Art – hot on the Castor trail. But it’s not all fun and games for the Castor boys, as Sarah gleans they may have a mysterious defect that puts their lives in peril.
    • 45min
  • 7.9
    /10

    Formalized, Complex, and Costly
    episode S3.E3 may 2015
    Leda and Castor are both on the hunt for original clone DNA. On-the-lam, Mark and Gracie pursue new leads to find the samples that might set them free, while Art and Sarah reunite to track them down. Meanwhile, Cosima and Scott try to learn more about Castor’s biology and Alison’s new money-making venture is going gangbusters. A shocking revelation about the Castor-Leda connection leaves the sisters reeling, just before Sarah witnesses a deadly Prolethean-Castor face-off.
    • 45min
  • 7.9
    /10

    Newer Elements of Our Defense
    episode S3.E4 may 2015
    Mark is taken down in a Prolethean shoot-out and Sarah must step in to help. But as Sarah gathers intel that puts her on the trail of the original Castor DNA, a familiar foe is not far behind. While Helena continues to toil in a faraway military compound, it is ultimately Sarah’s fate that will hang in the balance as she tries to save her sister. Meanwhile, Gracie is cast out from the Prolethean fold, and Alison and Donnie come face-to-face with unhappy drug lord, Jason Kellerman.
    • 45min
  • 8.2
    /10

    Scarred by Many Past Frustrations
    episode S3.E5 may 2015
    Helena and her seestra are reunited at the Castor camp when Sarah is captured. As Sarah suffers testing, Paul appears to chide her; but his allegiances are beginning to strain. While the Leda family worries about Sarah’s absence, Gracie ‘breaks Amish’ under the care of Mrs. S and an unwilling Felix. Cosima falls hard for an internet date, Shay.
    • 45min
  • 9.1
    /10

    Certain Agony of the Battlefield
    episode S3.E6 may 2015
    Paul digs and finds the ugly truth behind the Castor Boys’ logbooks of names, pushing him into action. Meanwhile, Felix is desperate for info on Sarah’s whereabouts, and presses the still-ailing Rachel for any shred of a lead. In order for Donnie and Alison to take their money-making endeavor to the “next level” she must introduce Jason Kellerman to her unique business plan.
    • 45min
  • 8.3
    /10

    Community of Dreadful Fear and Hate
    episode S3.E7 may 2015
    Alison must secure a store front in order to take her and Donnie’s business to the “next level”. But things don’t go according to plan when her mother, Connie, proves to be a major hindrance. Cosima is facing familiar health issues and calls upon beleaguered Alison for a favor. But with Alison working to save an imperiled Donnie from the merciless hands of a drug lord, it’s Cosima who ends up doing a favor. An unassuming Scott gets closer to the greatest discovery of all, when he sits down with beleaguered clone Rachel.
    • 45min
  • 8.5
    /10

    Ruthless in Purpose, and Insidious in Method
    episode S3.E8 june 2015
    When Rachel makes a promise to Sarah, it comes with a hefty price. Meanwhile, Helena and Gracie work with the Hendrixes, and Donnie takes Kellerman to task. Over at Castor, Coady and Benchman scheme to track down the Castor Original, and Rudy descends on DYAD for a much needed asset.
    • 45min
  • 8.5
    /10

    Insolvent Phantom of Tomorrow
    episode S3.E9 june 2015
    Sarah, Felix and Mrs. S take a trip with the hopes of tracking down the Castor Original. But they are not alone. Back home, Donnie tries to save the family business when Pouchy defects, but it is Helena who manages to secure a “full refund.” Meanwhile, Cosima becomes suspicious of Shay, and Delphine takes the matter into her own hands. But nothing will ever be the same again when Leda finally finds what they’ve been looking for.
    • 45min
  • 9
    /10

    History Yet to Be Written
    episode S3.E10 june 2015
    As Clone Club races towards the truth, Castor and Topside force Sarah to make uneasy alliances. Meanwhile, Kendall may be the key to stop Castor; the sisters appear to be thwarting their most dangerous foe.
    • 45min
  • 8.6
    /10

    The Collapse of Nature
    episode S4.E1 april 2016
    A flashback to Beth Childs' final investigation, days before her suicide.
    • 45min
  • 8.3
    /10

    Transgressive Border Crossing
    episode S4.E2 april 2016
    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.
    • 45min
  • 8.1
    /10

    The Stigmata of Progress
    episode S4.E3 april 2016
    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.
    • 45min
  • 8.1
    /10

    From Instinct to Rational Control
    episode S4.E4 may 2016
    Sarah forms an alliance with a former enemy in hopes of getting to the head of Neolution. Elsewhere, Allison orders Felix and Donnie to invade a Neolution fertility clinic and Susan Duncan leaves Rachel to make a devastating decision.
    • 45min
  • 8.3
    /10

    Human Raw Material
    episode S4.E5 may 2016
    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.
    • 45min
  • 9.2
    /10

    The Scandal of Altruism
    episode S4.E6 may 2016
    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.
    • 45min
  • 7.9
    /10

    The Antisocialism of Sex
    episode S4.E7 may 2016
    Sarah regresses back 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.
    • 45min
  • 8.3
    /10

    The Redesign of Natural Objects
    episode S4.E8 june 2016
    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.
    • 45min
  • 8.5
    /10

    The Mitigation of Competition
    episode S4.E9 june 2016
    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.
    • 45min
  • 8.6
    /10

    From Dancing Mice to Psychopaths
    episode S4.E10 june 2016
    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.
    • 45min
  • 7.8
    /10

    The Few Who Dare
    episode S5.E1 june 2017
    As the fifth and final season opens, Sarah is deeply wounded and struggling to stay alive on the Island. Driven deep into its forest by Neolutionists and worse, she strives to make it far enough to rescue Cosima. Meanwhile, a recovering Cosima reunites with Delphine, but there’s way more going on this Island than Cosima imagined and Delphine can’t give her all the answers she needs. What is clear is that Rachel is now firmly in charge at the right-hand of the 170-year-old founder of Neolution, PT Westmorland.
    • 45min
  • 8
    /10

    Clutch of Greed
    episode S5.E2 june 2017
    Captured by Neolution Sarah receives a damning ultimatum from Rachel: come into the fold, or lose your family. Her decision causes a clash with Kira who begins exploring her own maturity. Meanwhile, Ferdinand struggles to get a handle on Rachel’s new velvet glove mandate in pursuit of the clones. With Neolutionists and Ferdinand watching their every move, Felix brings an old ally into the mix to help his family get Kira to safety. On the Island, Cosima struggles to comprehend the reality of the Neolution myth made real.
    • 45min
  • 8
    /10

    Beneath Her Heart
    episode S5.E3 june 2017
    Stuck on the sidelines with Neolutionists crawling all over her home, Alison seeks to return to her community center, but Bailey Downs has moved on from her. As she flounders to take back some semblance of control, the ghost of friendships’ past rears its handsome head. Art and his new partner show up at the Hendrix residence to continue their search for Helena, forcing Art to make a difficult moral judgement.
    • 45min
  • 7.6
    /10

    Let the Children and Childbearers Toil
    episode S5.E4 july 2017
    Following up on intel from a mysterious source, Mrs. S heads on the road with Sarah to investigate a lead on a Neolution defector. Meanwhile, an unexpected reunion takes place on the island, while Cosima's research leads her to a terrible discovery.
    • 45min
  • 7.9
    /10

    Ease for Idle Millionaires
    episode S5.E5 july 2017
    While Sarah and Kira spend some well-needed bonding time at home, secrets are unlocked about Kira's special gifts that are surprisingly linked to the island's creature. Meanwhile, Cosima joins Delphine at the mansion for a twisted family dinner.
    • 45min
  • 8.2
    /10

    Manacled Slim Wrists
    episode S5.E6 july 2017
    Cosima is forced into an alliance with Susan Duncan when an old enemy returns to the island, accelerating P.T. Westmorland's sinister agenda. Meanwhile, Krystal stumbles onto a vital clue to the Neolution endgame.
    • 45min
  • 8.8
    /10

    Gag or Throttle
    episode S5.E7 july 2017
    As P.T. Westmorland demands a more aggressive approach with Kira, Rachel discovers a dark secret that makes her question her place within Neolution. Sarah fights to save her daughter.
    • 45min
  • 9
    /10

    Guillotines Decide
    episode S5.E8 july 2017
    The sisters take a night off to celebrate Felix's art opening. Wounded and desperate, Rachel reunites with an old ally, but their plans for revenge on Neolution put clone club in the line of fire.
    • 45min
  • 8.7
    /10

    One Fettered Slave
    episode S5.E9 august 2017
    As Sarah reels from a painful loss, she's dealt another blow: Helena has been kidnapped. The sisters band together in a race against time, determined to find Helena before an unmasked and unhinged John Mathieson lays hands on her babies.
    • 45min
  • 9.1
    /10

    To Right the Wrongs of Many
    episode S5.E10 august 2017
    In the series finale, Helena prepares to deliver in the basement of Old Dyad while Sarah and Art fight to protect her from Neolution.
    • 45min

Best moments10

  • 9
    /10
    97% of the votes

    Guillotines Decide
    episode S5.E8 july 2017
    The sisters take a night off to celebrate Felix's art opening. Wounded and desperate, Rachel reunites with an old ally, but their plans for revenge on Neolution put clone club in the line of fire.
    • 45min
  • 8.3
    /10
    86% of the votes

    The Redesign of Natural Objects
    episode S4.E8 june 2016
    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.
    • 45min
  • 8.2
    /10
    73% of the votes

    Governed by Sound Reason and True Religion
    episode S2.E2 april 2014
    While Alison struggles with Aynsley's death and Cosima grapples with the worsening symptoms of her mysterious sickness, Sarah enlists Art’s help to find Kira and is shocked when she learns where the trail leads.
    • 45min
  • 8.5
    /10
    62% of the votes

    Insolvent Phantom of Tomorrow
    episode S3.E9 june 2015
    Sarah, Felix and Mrs. S take a trip with the hopes of tracking down the Castor Original. But they are not alone. Back home, Donnie tries to save the family business when Pouchy defects, but it is Helena who manages to secure a “full refund.” Meanwhile, Cosima becomes suspicious of Shay, and Delphine takes the matter into her own hands. But nothing will ever be the same again when Leda finally finds what they’ve been looking for.
    • 45min
  • 8.2
    /10
    39% of the votes

    To Hound Nature in Her Wanderings
    episode S2.E6 may 2014
    Sarah joins forces with an unlikely and untrustworthy ally, following a trail of clues that she hopes will lead her to the origins of the clone experiment. Cosima and Delphine make a discovery that could prove to be the key to treating her illness. Alison finds herself in unsavory company at rehab.
    • 45min
  • 7.6
    /10
    36% of the votes

    Let the Children and Childbearers Toil
    episode S5.E4 july 2017
    Following up on intel from a mysterious source, Mrs. S heads on the road with Sarah to investigate a lead on a Neolution defector. Meanwhile, an unexpected reunion takes place on the island, while Cosima's research leads her to a terrible discovery.
    • 45min
  • 8.7
    /10
    26% of the votes

    One Fettered Slave
    episode S5.E9 august 2017
    As Sarah reels from a painful loss, she's dealt another blow: Helena has been kidnapped. The sisters band together in a race against time, determined to find Helena before an unmasked and unhinged John Mathieson lays hands on her babies.
    • 45min
  • 7.9
    /10
    9% of the votes

    Ease for Idle Millionaires
    episode S5.E5 july 2017
    While Sarah and Kira spend some well-needed bonding time at home, secrets are unlocked about Kira's special gifts that are surprisingly linked to the island's creature. Meanwhile, Cosima joins Delphine at the mansion for a twisted family dinner.
    • 45min
  • 8.8
    /10
    8% of the votes

    Gag or Throttle
    episode S5.E7 july 2017
    As P.T. Westmorland demands a more aggressive approach with Kira, Rachel discovers a dark secret that makes her question her place within Neolution. Sarah fights to save her daughter.
    • 45min
  • 8.3
    /10
    6% of the votes

    Community of Dreadful Fear and Hate
    episode S3.E7 may 2015
    Alison must secure a store front in order to take her and Donnie’s business to the “next level”. But things don’t go according to plan when her mother, Connie, proves to be a major hindrance. Cosima is facing familiar health issues and calls upon beleaguered Alison for a favor. But with Alison working to save an imperiled Donnie from the merciless hands of a drug lord, it’s Cosima who ends up doing a favor. An unassuming Scott gets closer to the greatest discovery of all, when he sits down with beleaguered clone Rachel.
    • 45min

Votes per episode

season
  • Season 1
  • Season 2
  • Season 3
  • Season 4
  • Season 5
Season 1
17
E1
13
E2
6
E3
12
E4
16
E5
7
E6
58
E7
213
E8
74
E9
44
E10
Season 2
17
E1
14K
E2
13
E3
47
E4
8
E5
1.9K
E6
62
E7
14
E8
9
E9
23
E10
Season 3
35
E1
39
E2
8
E3
9
E4
121
E5
11
E6
97
E7
24
E8
3.3K
E9
102
E10
Season 4
13
E1
48
E2
15
E3
34
E4
14
E5
54
E6
42
E7
7.6K
E8
9
E9
20
E10
Season 5
21
E1
86
E2
20
E3
10K
E4
307
E5
32
E6
81
E7
37K
E8
580
E9
119
E10