Watch Orphan Black Season 4 Online
Watch Orphan Black Season 4 full episodes online, free and paid options via our partners and affiliates.
![Controlling Evolution - Orphan Black](https://tv-fanatic-res.cloudinary.com/iu/s--v6PSVKik--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1465950031/controlling-evolution-orphan-black.png)
On Orphan Black Season 4 Episode 10, Cosima is cut off from communication and Neolution moves in, as the alliance between Sarah and Rachel shatters.
![Sarah's New Situation - Orphan Black](https://tv-fanatic-res.cloudinary.com/iu/s--wRLD2jY0--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1465266714/sarahs-new-situation-orphan-black.png)
On Orphan Black Season 4 Episode 9, Sarah finds she's under the heel of a new HBIC and with Susan Duncan deposed, archenemies come together for the greater good.
![Donnie Is Threatened - Orphan Black](https://tv-fanatic-res.cloudinary.com/iu/s--lOgUfZ6q--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1464841511/donnie-is-threatened-orphan-black.png)
On Orphan Black Season 4 Episode 8, Siobhan sneaks out to seek vengeance while Sarah is distracted and Alison is terrified by threats made against Donnie.
![Old Habits - Orphan Black](https://tv-fanatic-res.cloudinary.com/iu/s--ru_TtCo3--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1464050925/old-habits-orphan-black.png)
On Orphan Black Season 4 Episode 7, Cosima attempts a Hail Mary back at the lab while Sarah falls back on old habits in order to cope with her decisions.
![Krystal Needs Protecting - Orphan Black](https://tv-fanatic-res.cloudinary.com/iu/s--Fso3upMu--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1463619840/krystal-needs-protecting-orphan-black.png)
On Orphan Black Season 4 Episode 6, Sarah makes a drastic decision that might expose Kendall to the people she has been trying to hide from.
![A Sleuthing Mission - Orphan Black](https://tv-fanatic-res.cloudinary.com/iu/s--oZNB2iCq--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1463016866/a-sleuthing-mission-orphan-black.png)
On Orphan Black Season 4 Episode 5, after reconnecting with Kira, Sarah has a sleuthing mission with the goal of discrediting Felix's new ties.
![Forming New Alliances - Orphan Black](https://tv-fanatic-res.cloudinary.com/iu/s--2B1AQjGH--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1462402849/forming-new-alliances-orphan-black.png)
On Orphan Black Season 4 Episode 4, Sarah begins to form an alliance with a former enemy in the hope of getting to the head of Neolution.
![A Traumatic Encounter - Orphan Black](https://tv-fanatic-res.cloudinary.com/iu/s--r3lufN0V--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1461810065/a-traumatic-encounter-orphan-black.jpg)
On Orphan Black Season 4 Episode 3, Sarah investigates a shocking discovery of Neolution's biotech and ends up having a traumatic encounter.
![The Next Aspect - Orphan Black](https://tv-fanatic-res.cloudinary.com/iu/s--el0_gVM3--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1461204839/the-next-aspect-orphan-black.png)
On Orphan Black Season 4 Episode 2, Sarah uncovers the next aspect of the Neolution's agenda while tracking down an elusive new ally.
![On the Run - Orphan Black](https://tv-fanatic-res.cloudinary.com/iu/s--c6l4n0gz--/t_small_l/cs_srgb,d_tv-fanatic-placeholder-square.png,f_auto,fl_strip_profile.lossy,q_auto:420/v1460601522/on-the-run-orphan-black.png)
On Orphan Black Season 4 Episode 1, Sarah's refuge in Iceland is destroyed when Neolution attacks and she is forced to flee once again in the season premiere.