The Best Episodes of Orphan Black

Endless Forms Most Beautiful

#1 - Endless Forms Most Beautiful 8.60

Season 1 - Episode 10

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.

Directors: John Fawcett
By Means Which Have Never Yet Been Tried

#2 - By Means Which Have Never Yet Been Tried 8.44

Season 2 - Episode 10

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.

Directors: John Fawcett
Guillotines Decide

#3 - Guillotines Decide 8.38

Season 5 - Episode 8

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.

Directors: Aaron Morton
Unconscious Selection

#4 - Unconscious Selection 8.34

Season 1 - Episode 9

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.

Directors: T.J. Scott
History Yet to Be Written

#5 - History Yet to Be Written 8.30

Season 3 - Episode 10

As Clone Club races towards the truth, Castor and Topside force Sarah to make uneasy alliances. But there is some rest for the wicked, when Donnie gives Helena an unexpected ‘gift’, and the results of Alison’s candidacy finally come in. Even as team Leda takes a moment to breathe, change is afoot and a life hangs in the balance.

Directors: John Fawcett
Gag or Throttle

#6 - Gag or Throttle 8.30

Season 5 - Episode 7

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.

Directors: David Frazee
The Scandal of Altruism

#7 - The Scandal of Altruism 8.29

Season 4 - Episode 6

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.

Directors: Grant Harvey
Entangled Bank

#8 - Entangled Bank 8.28

Season 1 - Episode 8

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.

Directors: Ken Girotti
Things Which Have Never Yet Been Done

#9 - Things Which Have Never Yet Been Done 8.20

Season 2 - Episode 9

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.

Directors: T.J. Scott
Conditions of Existence

#10 - Conditions of Existence 8.20

Season 1 - Episode 5

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.

Directors: T.J. Scott
One Fettered Slave

#11 - One Fettered Slave 8.19

Season 5 - Episode 9

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.

Directors: David Frazee
Knowledge of Causes, and Secret Motion of Things

#12 - Knowledge of Causes, and Secret Motion of Things 8.18

Season 2 - Episode 7

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.

Directors: Ken Girotti
Variations Under Domestication

#13 - Variations Under Domestication 8.18

Season 1 - Episode 6

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.

Directors: John Fawcett
Parts Developed in an Unusual Manner

#14 - Parts Developed in an Unusual Manner 8.18

Season 1 - Episode 7

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.

Directors: Brett Sullivan
From Dancing Mice to Psychopaths

#15 - From Dancing Mice to Psychopaths 8.15

Season 4 - Episode 10

In the season finale, 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.

Directors: John Fawcett
Governed As It Were By Chance

#16 - Governed As It Were By Chance 8.15

Season 2 - Episode 4

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.

Directors: David Frazee
Certain Agony of the Battlefield

#17 - Certain Agony of the Battlefield 8.13

Season 3 - Episode 6

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.

Directors: Helen Shaver
Nature Under Constraint and Vexed

#18 - Nature Under Constraint and Vexed 8.13

Season 2 - Episode 1

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.

Directors: John Fawcett
The Mitigation of Competition

#19 - The Mitigation of Competition 8.12

Season 4 - Episode 9

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.

Directors: David Frazee
Insolvent Phantom of Tomorrow

#20 - Insolvent Phantom of Tomorrow 8.08

Season 3 - Episode 9

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.

Directors: Vincenzo Natali
Ipsa Scientia Potestas Est

#21 - Ipsa Scientia Potestas Est 8.05

Season 2 - Episode 5

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.

Directors: Helen Shaver
Effects of External Conditions

#22 - Effects of External Conditions 8.04

Season 1 - Episode 4

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.

Directors: Grant Harvey
To Hound Nature in Her Wanderings

#23 - To Hound Nature in Her Wanderings 8.04

Season 2 - Episode 6

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.

Directors: Brett Sullivan
Variation Under Nature

#24 - Variation Under Nature 8.01

Season 1 - Episode 3

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.

Directors: David Frazee
Ruthless in Purpose, and Insidious in Method

#25 - Ruthless in Purpose, and Insidious in Method 8.01

Season 3 - Episode 8

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.

Directors: Aaron Morton