It's nearly Christmas, and a brush with the upholstery brush of Philip Van Doren Stern bears Pete from his wonderful life into a world where he's never been born. ...

Helena and Sarah were able to escape from Coady, but not before Helena's water broke. Still in the Dyad facility, they have to remain elusive from Coady, Westmorland and ...

Sarah, Felix and Kira mourning the death of S coincides with they and the other sisters learning from Sister Irina that Helena has been kidnapped. The sisters' first thou ...

Now that Sarah and Mrs. S have Kira back, they need to get her into a safe place. The activity around their house is remarkably quiet which Sarah believes is not a good s ...

Beyond Mrs. S's dismay in she allowing Rachel's operatives to take Kira back to Dyad, Sarah and Mrs. S have to figure out what their next step is in regard to getting Kir ...

Sarah and Mrs. S., now knowing what Rachel and her associates at Dyad are planning with Kira, are trying whatever they can for Kira not to return to the institute beyond ...

As Mrs. S continues to find out more about Westmorland and Neolutionists with Scott and Hell Wizard doing most of the academic research, Sarah reaches a new agreement wit ...

Sarah is feeling even more detached from Kira, especially after she learns what Kira has done to herself partly as a result of her time with Rachel. Regardless, Mrs. S ha ...

Sarah is trying to adjust to Kira willingly cooperating with Rachel, the adjustment made even more difficult as Kira seems to be shutting her out, not telling her or Mrs. ...

Rachel, having apprehended Sarah, is able to bring her back to the Dyad headquarters. There, Rachel is able to get Sarah in touch with most of those adults in her life th ...

After killing her mother, Rachel is able to abscond with the cure to lead the project. Elsewhere, Ferdinand has kidnapped Mrs. S and Kira, their whereabouts unknown. Sara ...

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 ...

Despite not knowing where she's gone or why she's back, Sarah reconnects with MK, who is able to provide some information as to the fact that the Neolutionists under Evie ...

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, Cosim ...

With Sarah taking a mom day with Kira and Alison busy with a committee meeting, Cosima volunteers to accompany Donnie to the BrightBorn orientation session pretending to ...

As Sarah reels from the shocking discovery of Neolution's biotech, she's desperate to find answers. Always impulsive, she follows a lead into a harrowing encounter that r ...

After evading Neolution in Iceland, Sarah returns home to track down an elusive new ally. She uncovers the next facet of Neolution's agenda. As Cosima struggles with Delp ...

A flashback into the last several days in Beth's life acts as an extended prologue to the current day goings-on of the sisters. Beth has a source who she has not mentione ...

Sarah is all alone at the Castor compound now that Helena has managed to escape, although Rudy is tasked with locating her, she who they believe cannot get far being in t ...

Castor pursues the Leda clones for original tissue samples. Helena, who is pregnant and imprisoned, is examined by a mysterious new villain. The Castor boys are also out ...

Sarah pursues the missing Helena who is held in a faraway compound. Sarah must use her wiles - and acting chops - to deter a Topside investigator who threatens the Leda s ...

Now that she has Kira and her harvested bone marrow, Rachel is holding all the cards. She replaces Delphine with a Dr. Nealon as the facility and thus Cosima's chief phys ...

As Cosima watches Dr. Duncan re-assemble the missing artificial genetic sequencing, Rachel places Delphine in the executive vacancy created by the sudden demise of Dr. Le ...

Aldous' death affects most of the clones either directly or indirectly and in different ways. With Paul missing in action, Rachel, who does not know Aldous is dead, is ta ...

Sarah and Mrs. S are helping Ethan Duncan gather together his necessary materials to bring into Dyad as a bargaining chip. Despite this action, Sarah still does not fully ...

Rachel returns home to find Rosen dead, which she takes out on Sarah and Cosima. She also makes Paul an offer he can't refuse, even if he wanted to. In this new position, ...

Sarah survives the car crash, is quickly reunited with Kira and sets off with Cal in his camper. She decides to head back to the city to find out from Mrs. S just what is ...

Sarah is able to escape with Kira from the bird watchers and Mrs. S, and now, along with Felix, are on the run with no money. They decide to take refuge at a secluded hou ...

On information from Art, Sarah learns that it is not Rachel who abducted Kira, but rather the Prolethians, the reasons she does not know behind the abduction. However, th ...

Rachel has kidnapped Kira and Mrs. S. While trying to elude Rachel's thugs herself, Sarah has to decide whether to trust Paul as the person who has the best access to Rac ...

With the revelation about her special connection to Helena, Sarah wants to make sure Helena understands she is not the original. Sarah is soon arrested however as Art has ...

Kira is rushed to hospital after having been struck by a car. Miraculously, she is unhurt and is soon home. Alison has moved in with Felix while she looks for a place to ...