When a Fury with an unfaithful spouse tries to hire Bo to kill her husband’s mistress, Bo instead takes the side of the unsuspecting human woman and puts her under…

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…

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,…

Cosima is forced into an alliance when an old enemy returns to the island, accelerating P. T. Westmorland’s sinister agenda. Meanwhile, on the mainland, Krystal stumbles onto a vital clue…

While Sarah and Kira spend some well-needed bonding time at home, secrets are unlocked about Kira’s special gifts that are surprisingly linked to the island’s creature. Meanwhile, Cosima joins Delphine…

Following up on intel from a mysterious source, Mrs. S heads on the road with Sarah to investigate a lead on a Neolution defector. Meanwhile, an unexpected reunion takes place…

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…

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…

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….

Sarah regresses to old habits while struggling to cope with the consequences of her decisions —reconnecting with Beth on a dark night of the soul. Back at the lab, Cosima,…

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,…

Sarah’s day off to reconnect with Kira quickly turns into a sleuthing mission aimed squarely at discrediting Felix’s new ties. Cosima steps up with Donnie to further investigate the Neolutionist…

Sarah realizes her goals have aligned with her once enemy and forms a precarious alliance in hopes of getting to the head of Neolution. Meanwhile, on her end, Alison dispatches…

As Sarah reels from the shocking discovery of Neolution’s biotech, she’s desperate to find answers. Rachel receives a visit from her keeper and takes a fraught step forward towards recovery….

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…