5 seasons available
Sarah fights for her life on the Island and tries to stay strong enough to rescue Cosima; Cosima and Delphine reunite.
Rachel gives Sarah an ultimatum, and her decision causes a clash with Kira; Felix brings an old ally into the mix.
Alison seeks to return to her community center, but Bailey Downs has moved on; the ghost of friendships past haunt.
Mrs. S. and Sarah set out to investigate a lead on a Neolution defector; an unexpected reunion takes place; Cosima has a terrible discovery.
Sarah and Kira spend time at home; secrets are unlocked about Kira's gifts; Cosima joins Delphine at the mansion.
Cosima is forced into an alliance that accelerates PT Westmorland's agenda; Krystal stumbles onto a vital clue.
Westmoreland demands a more aggressive action on Kira; Sarah fights to save her daughter; Rachel discovers a dark secret; Cosima has a clue about Westmoreland's identity.
Mrs. S orders the sisters to celebrate Felix's art opening; Sarah remains on edge with a nagging suspicion that S is hiding something.
A devastating loss is suffered; Sarah learns that Helena has been kidnapped; Clone Club bands together to find Helena before her babies are born.
Helena takes shelter behind enemy lines, and Sarah and Art struggle to protect her and end the siege.
Sarah's respite in Iceland is ruined by a Neolution attack; when Sarah is forced to flee, she realizes she can never truly escape.
Sarah returns home to track down a new ally, following breadcrumbs to uncover the next facet of Neolution's agenda.
Sarah reels from a shocking discovery, and becomes desperate to find answers; after following a lead, Sarah finds herself in a harrowing encounter.
After realizing her goals align with her former enemy, Sarah forms an alliance; Felix and Donnie infiltrate a fertility clinic.
Sarah takes the day off to reconnect with Kira; Cosima infiltrates an exclusive Neolutionist fertility research center and makes a shocking discovery of their clandestine experiments.
Sarah forges a dangerous deal that puts her family at risk; Art and Felix team up to protect naïve clone Krystal Goderitch.
Sarah regresses to old habits while struggling to cope with a loss; Sarah questions her strength to carry on.
Alison's loyalty to the clones is questioned; Cosima makes a final attempt to discover a cure.
Sarah and Rachel must come together for the greater good; Cosima and Susan disagree about the ethical implications of human experiments.
After losing communication with Cosima, Sarah's alliance with Rachel ends; Sarah lures a high-level Neolutionist into a trap.
Sarah pursues Helena, who is being held in a compound far away; Sarah must deter a Topside investigator.
Castor pursues the clones in order to obtain original tissue samples; Helena is examined by a new villain.
Leda and Castor hunt for the original clone DNA; Mark and Gracie pursue new leads; Art and Sarah reunite.
Helena works in a faraway military compound; Sarah's fate hangs in the balance as she tries to save her sister.
Sarah and Helena suffer a strained reunion; the Leda family worries about Sarah's absence; Cosima goes on a date with Shay.
Paul learns the truth about Coady's plans for Castor and has no choice but to make a dangerous play; Alison and Donnie hatch a plot of their own regarding Bubbles.
Alison must secure a storefront to take her business to the next level; Cosima faces health issues and asks for a favor.
Rachel bargains for her freedom with decoding Duncan's Moreau book; Sarah must pursue the Original Castor.
Clone Club heads to London to track down the Castor Original, but their enemies are not too far behind.
Clone Club races toward the truth; Sarah is forced to make uneasy alliances; Donnie gives Helena an unexpected gift; the candidacy results are in.
Sarah searches for her daughter, and suspects Rachel is behind the disappearance; Alison is despondent after attending a funeral.
Alison struggles with Aynsley's death; Cosima's symptoms worsen; Sarah asks Art to help her find Kira.
Sarah returns home to search for answers, digging into the origins of the clone experiment with Cosima's help.
Rachel lashes out at those close to Sarah; an unexpected visitor threatens Sarah's plans.
Sarah and an unlikely ally follow clues about the origins of the clone experiment; Cosima and Delphine make a discovery.
A rehab confidante betrays Alison, threatening to expose the truth; Donnie and the kids prepare to visit on Family Day.
A new player arrives on Felix's doorstep; Cosima nearly runs out of options; Sarah must decide whether to surrender a piece of leverage and make a deal.
Cosima takes a bad turn; Sarah takes action with tragic consequences; the Proletheans set their plan in motion; Alison and Donnie have a run-in with the law.
Rachel's latest ploy forces Sarah to concede; the Clone Club unites to save Sarah and gain freedom; Sarah finds a new ally.
After witnessing the suicide of her doppelganger, Sarah assumes her identity in hopes of escaping past troubles.
Sarah continues her con, earning "Beth" a second chance on the force; Alison may have answers.
Sarah wants to leave town after learning she is a clone; the police locate the buried body; Beth closes in on the killer.
Sarah's reunion with her daughter is hindered by her tracking; the killer gets closer to the truth.
Evidence suggests that the Orphans are part of an ongoing experiment; Sarah suspects Paul, but Paul begins to investigate as well.
Alison's paranoia puts the Orphans at risk; Sarah, Alison and Beth's worlds collide; Sarah must trust someone with her secret.
Sarah must confront the conspiracy head-on; Paul learns the truth; Cosima, Delphine and Dr. Leekie grow closer.
Sarah's actions set the Orphans against each other as she plans her next move; Paul tries desperately to hide Sarah's existence; Alison takes vengeance on her suspected monitor.
Sarah reconsiders revenge when Kira is threatened; Cosima faces the truth about Delphine; Sarah must decide the killer's fate.
Sarah's attempt at convincing the enemy is obstructed by Art's intervention; the Orphans must decide whether or not to make peace with their creators; Sarah confronts the enemy.