By Natalie Abrams
June 07, 2015 at 12:00 PM EDT
Steve Wilkie/BBCAmerica
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Orphan Black fans may want to start preparing themselves, because there could be a very real possibility that Cosima (Tatiana Maslany) might not survive another season finale of the BBC America drama.

Cosima has been living on borrowed time since season 1 after coming down with the same respiratory illness that now-dead clones Katja and Jennifer had. After Cosima’s near-death experience in the season 2 finale, it feels increasingly likely that the dreadlocked clone may not make it out of another finale alive.

“No one is safe,” executive producer Graeme Manson said Sunday at the ATX Festival’s Orphan Black panel, moderated by this reporter. “There is hope for Cosima. She had this health rebound this season because of the stem cell therapy from Kira. Delphine [Evelyne Brochu] wants to save her. I love Cosima a lot, but she’s still not safe.”

With Cosima’s prognosis looking dire, hope for Cophine (Cosima and Delphine’s ’shipper name) is looking grim. “You saw that kiss,” Manson said, giving one second of hope before adding, “Sorry about that, but ‘ships are made to be sunk—some ‘ships sink.”

Though Rachel escaped into the ether before deciphering Duncan’s code, which could possibly save Cosima, the proclone will return and is very much still a threat. In the wake of her exit, however, Sarah, Mrs. S (Maria Doyle Kennedy), and Felix (Jordan Gavaris) will return to England in hopes of finding the Castor original.

“You may or may not know that Maria Doyle Kennedy is an amazing musician/singer/songwriter, and Mrs. S rocks out next week,” Manson previewed of the penultimate episode. “Her music career, film career, and her TV career are very separate. Her creative heart lies in music. She has not performed on film since The Commitments. I went to her and was like, ‘What do you think about this?’ We had to see if she wanted to cross those creative lines.”

While Manson played coy on who the mystery person is acting as the Castor spy within Leda—and effectively hampering Cosima’s chances of survival now that Dyad is unable to translate the book—he promises we’ll find out before season’s end. “You can trust that that answer will come very soon,” Manson said.

Orphan Black airs Saturdays at 9 p.m. ET on BBC America.

Tatiana Maslany plays half the cast of BBC America’s paranoid clone thriller.
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