Orphan Black

The BEST episodes of Orphan Black

Every episode of Orphan Black ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Orphan Black!

A streetwise hustler is pulled into a compelling conspiracy after witnessing the suicide of a girl who looks just like her.

Last Updated: 7/2/2022Network: Space
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To Right the Wrongs of Many
star
8.43
1897 votes

#1 - To Right the Wrongs of Many

Season 5 - Episode 10 - Aired 8/12/2017

In the series finale, Helena prepares to deliver in the basement of Old Dyad while Sarah and Art fight to protect her from Neolution.

Directors: John Fawcett
Watch Now:AmazoniTunes
Endless Forms Most Beautiful
star
8.40
4250 votes

#2 - Endless Forms Most Beautiful

Season 1 - Episode 10 - Aired 6/1/2013

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.

Directors: John Fawcett
Watch Now:AmazoniTunes
History Yet to Be Written
star
8.23
2439 votes

#3 - History Yet to Be Written

Season 3 - Episode 10 - Aired 6/20/2015

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.

Directors: John Fawcett
Watch Now:AmazoniTunes
The Scandal of Altruism
star
8.22
2631 votes

#4 - The Scandal of Altruism

Season 4 - Episode 6 - Aired 5/19/2016

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.

Directors: Grant Harvey
Watch Now:AmazoniTunes
Unconscious Selection
star
8.18
4043 votes

#5 - Unconscious Selection

Season 1 - Episode 9 - Aired 5/25/2013

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.

Directors: T.J. Scott
Watch Now:AmazoniTunes
By Means Which Have Never Yet Been Tried
star
8.17
3234 votes

#6 - By Means Which Have Never Yet Been Tried

Season 2 - Episode 10 - Aired 6/21/2014

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.

Directors: John Fawcett
Watch Now:AmazoniTunes
Guillotines Decide
star
8.14
1946 votes

#7 - Guillotines Decide

Season 5 - Episode 8 - Aired 7/29/2017

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.

Directors: Aaron Morton
Watch Now:AmazoniTunes
Gag or Throttle
star
8.11
1855 votes

#8 - Gag or Throttle

Season 5 - Episode 7 - Aired 7/22/2017

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.

Directors: David Frazee
Watch Now:AmazoniTunes
The Mitigation of Competition
star
8.10
2488 votes

#9 - The Mitigation of Competition

Season 4 - Episode 9 - Aired 6/9/2016

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.

Directors: David Frazee
Watch Now:AmazoniTunes
Entangled Bank
star
8.10
4149 votes

#10 - Entangled Bank

Season 1 - Episode 8 - Aired 5/18/2013

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.

Directors: Ken Girotti
Watch Now:AmazoniTunes
From Dancing Mice to Psychopaths
star
8.08
2512 votes

#11 - From Dancing Mice to Psychopaths

Season 4 - Episode 10 - Aired 6/16/2016

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.

Directors: John Fawcett
Watch Now:AmazoniTunes
Conditions of Existence
star
8.07
4584 votes

#12 - Conditions of Existence

Season 1 - Episode 5 - Aired 4/27/2013

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.

Directors: T.J. Scott
Watch Now:AmazoniTunes
Parts Developed in an Unusual Manner
star
8.03
4254 votes

#13 - Parts Developed in an Unusual Manner

Season 1 - Episode 7 - Aired 5/11/2013

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.

Directors: Brett Sullivan
Watch Now:AmazoniTunes
Variations Under Domestication
star
8.02
4441 votes

#14 - Variations Under Domestication

Season 1 - Episode 6 - Aired 5/4/2013

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.

Directors: John Fawcett
Watch Now:AmazoniTunes
Certain Agony of the Battlefield
star
8.02
2395 votes

#15 - Certain Agony of the Battlefield

Season 3 - Episode 6 - Aired 5/23/2015

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.

Directors: Helen Shaver
Watch Now:AmazoniTunes
Insolvent Phantom of Tomorrow
star
8.01
2334 votes

#16 - Insolvent Phantom of Tomorrow

Season 3 - Episode 9 - Aired 6/13/2015

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.

Directors: Vincenzo Natali
Watch Now:AmazoniTunes
Things Which Have Never Yet Been Done
star
7.98
3163 votes

#17 - Things Which Have Never Yet Been Done

Season 2 - Episode 9 - Aired 6/14/2014

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.

Directors: T.J. Scott
Watch Now:AmazoniTunes
One Fettered Slave
star
7.98
1889 votes

#18 - One Fettered Slave

Season 5 - Episode 9 - Aired 8/5/2017

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.

Directors: David Frazee
Watch Now:AmazoniTunes
Knowledge of Causes, and Secret Motion of Things
star
7.98
3194 votes

#19 - Knowledge of Causes, and Secret Motion of Things

Season 2 - Episode 7 - Aired 5/31/2014

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.

Directors: Ken Girotti
Watch Now:AmazoniTunes
Transgressive Border Crossing
star
7.98
2654 votes

#20 - Transgressive Border Crossing

Season 4 - Episode 2 - Aired 4/21/2016

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.

Directors: John Fawcett
Watch Now:AmazoniTunes
Governed As It Were By Chance
star
7.95
3206 votes

#21 - Governed As It Were By Chance

Season 2 - Episode 4 - Aired 5/10/2014

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.

Directors: David Frazee
Watch Now:AmazoniTunes
Nature Under Constraint and Vexed
star
7.94
4039 votes

#22 - Nature Under Constraint and Vexed

Season 2 - Episode 1 - Aired 4/19/2014

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.

Directors: John Fawcett
Watch Now:AmazoniTunes
The Redesign of Natural Objects
star
7.92
2505 votes

#23 - The Redesign of Natural Objects

Season 4 - Episode 8 - Aired 6/2/2016

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.

Directors: Aaron Morton
Watch Now:AmazoniTunes
Effects of External Conditions
star
7.91
4665 votes

#24 - Effects of External Conditions

Season 1 - Episode 4 - Aired 4/20/2013

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.

Directors: Grant Harvey
Watch Now:AmazoniTunes
Ruthless in Purpose, and Insidious in Method
star
7.90
2279 votes

#25 - Ruthless in Purpose, and Insidious in Method

Season 3 - Episode 8 - Aired 6/6/2015

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.

Directors: Aaron Morton
Watch Now:AmazoniTunes

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