Seasons & Episodes
Natural Selection
Sarah, a streetwise hustler on the run from a lifetime of bad decisions, witnesses the suicide of a stranger who looks j
Instinct
With a body in her car and nowhere to turn, Sarah is forced to continue her con and earn “Beth” a second chance on t
Variation Under Nature
Rocked by the revelation that she and her fellow "Orphans" are clones, Sarah just wants to get her hands on the money an
Effects of External Conditions
Sarah realizes that the Orphans’ survival is going to take more than police work. But tracking the killer threatens Sa
Conditions of Existence
When terrifying evidence suggests the Orphans are part of a sinister ongoing experiment, Sarah’s suspicions turn to Pa
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
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 inf
Entangled Bank
Sarah's actions pit the Orphans against each other as she tries to plan her next move. As Paul tries desperately to cove
Unconscious Selection
After Kira’s life is threatened, Sarah is on the warpath, but Dr. Leekie makes her think twice about her plans for rev
Endless Forms Most Beautiful
Sarah’s last chance to bring her nemesis back to sanity slips away as Art intervenes to get answers of his own. Meanwh
Nature Under Constraint and Vexed
Sarah is out of options, on the run, and pursued by deadly adversaries. Desperate to find her daughter Kira, Sarah suspe
Governed by Sound Reason and True Religion
While Alison struggles with Aynsley's death and Cosima grapples with the worsening symptoms of her mysterious sickness,
Mingling Its Own Nature with It
After hitting the road with Felix, Sarah is forced to turn to a ghost from her past - an old flame named Cal Morrison. W
Governed As It Were by Chance
Sarah comes home looking for answers, and with the help of Cosima, they begin digging into the origins of the clone expe
Ipsa Scientia Potestas Est
Rachel goes on the warpath, lashing out at Sarah's nearest and dearest. While she tries to keep her loved ones safe, an
To Hound Nature in Her Wanderings
Sarah joins forces with an unlikely and untrustworthy ally, following a trail of clues that she hopes will lead her to t
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 fal
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 o
Things Which Have Never Yet Been Done
Cosima takes a turn for the worse, forcing Sarah to take desperate action which results in tragic consequences for those
By Means Which Have Never Yet Been Tried
The war with Dyad is all but lost when Rachel’s latest ploy forces a broken Sarah to concede. The Clone Club springs i
The Weight of This Combination
When the menace of Castor rears its head once more, Sarah and her entire family must come together to survive.
Transitory Sacrifices of Crisis
Castor pursues the Leda clones for original tissue samples. Helena, who is pregnant and imprisoned, is examined by a mys
Formalized, Complex, and Costly
Leda and Castor are both on the hunt for original clone DNA. On-the-lam, Mark and Gracie pursue new leads to find the sa
Newer Elements of Our Defense
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
Scarred by Many Past Frustrations
Helena and Sarah are reunited at the Castor camp. As Sarah suffers testing, Paul appears to chide her; but his allegianc
Certain Agony of the Battlefield
Paul digs and finds the ugly truth behind the Castor Boys’ logbooks of names, pushing him into action. Meanwhile, Feli
Community of Dreadful Fear and Hate
Alison must secure a store front in order to take her and Donnie’s business to the “next level”. But things don’
Ruthless in Purpose, and Insidious in Method
When Rachel makes a promise to Sarah, it comes with a hefty price. Meanwhile, Helena and Gracie work with the Hendrixes,
Insolvent Phantom of Tomorrow
Sarah, Felix, and Mrs. S are in London to track down the Castor Original, but their enemies are not far behind.
History Yet to Be Written
Castor and Topside force Sarah to make uneasy alliances. But there is some rest for the wicked, when Donnie gives Helena
The Collapse of Nature
After two months of respite, Sarah’s hard-won refuge in Iceland is shattered by a Neolution attack. Once again forced
Transgressive Border Crossing
After evading a Neolution attack in Iceland, Sarah returns home to track down an elusive new ally. As Cosima struggles w
The Stigmata of Progress
As Sarah reels from the shocking discovery of Neolution’s biotech, she’s desperate to find answers. Rachel receives
From Instinct to Rational Control
Sarah realizes her goals have aligned with her once enemy and forms a precarious alliance in hopes of getting to the hea
Human Raw Material
Sarah’s day off to reconnect with Kira quickly turns into a sleuthing mission aimed squarely at discrediting Felix’s
The Scandal of Altruism
When Cosima admits doubts about finding a cure in time to save her life, Sarah makes a lone decision that exposes Kendal
The Antisocialism of Sex
Sarah regresses to old habits while struggling to cope with the consequences of her decisions —reconnecting with Beth
The Redesign of Natural Objects
As Alison is terrified by Neolution threats made against Donnie, Sarah and Mrs. S question her loyalty to her sisters. W
The Mitigation of Competition
With Susan Duncan deposed, Sarah finds herself in the same position as Rachel — under the heel of a new HBIC — causi
From Dancing Mice to Psychopaths
When communication with Cosima is cut off and Neolution appears to be within striking distance, Sarah's alliance with Ra
The Few Who Dare
Sarah is deeply wounded and struggling to stay alive on the Island. Driven deep into its forest by Neolutionists and wor
Clutch of Greed
Captured by Neolution Sarah receives a damning ultimatum from Rachel: come into the fold, or lose your family. Her decis
Beneath Her Heart
Stuck on the sidelines with Neolutionists crawling all over her home, Alison seeks to return to her community center, bu
Let the Children and Childbearers Toil
Following up on intel from a mysterious source, Mrs. S heads on the road with Sarah to investigate a lead on a Neolution
Ease for Idle Millionaires
While Sarah and Kira spend some well-needed bonding time at home, secrets are unlocked about Kira’s special gifts that
Manacled Slim Wrists
Cosima is forced into an alliance when an old enemy returns to the island, accelerating P. T. Westmorland's sinister age
Gag or Throttle
As P. T. Westmorland demands a more aggressive action on Kira, and Sarah fights to save her daughter, Rachel discovers a
Guillotines Decide
Mrs. S orders the sisters to take a night off from sleuthing to celebrate Felix's art opening. But while Felix attempts
One Fettered Slave
A devastating loss is eclipsed when word reaches Sarah that Helena has been kidnapped. Clone Club bands together in a ra
To Right the Wrongs of Many
With Helena forced to take shelter behind enemy lines, it’s a bloody last stand for survival as Sarah and Art struggle
