<Tr> <Td_colspan="8"> Ferdinand rescues Rachel from Dyad . Though Sarah is suspicious, Siobhan wants everyone to focus on the opening of Felix's art show that night . Siobhan and Delphine are revealed to be working with Ferdinand as a source . Their efforts have finally figured out Neolution's ultimate goals but they need hard data from Rachel to prove it all and warn the world . Ferdinand says he and Rachel can use this to blackmail Westmoreland's backers and build an empire . Rachel betrays him and gives the real data to Siobhan to bring down Neolution; Delphine and Cosima upload it . Sarah, Alison and Cosima become performance art posing as one person in Felix's show . Felix thanks his family for their support, especially Siobhan for taking him and Sarah in as children . Meanwhile, Gracie decides not to betray Helena but the Neolutionists trace her phone, capturing Helena and Detective Engers kills Gracie . Ferdinand attacks Siobhan in her home and the two kill each other . Sarah senses Siobhan's death . </Td> </Tr> <Tr> <Th> 49 </Th> <Td> 9 </Td> <Td> "One Fettered Slave" </Td> <Td> David Frazee </Td> <Td> Alex Levine </Td> <Td> August 5, 2017 (2017 - 08 - 05) </Td> <Td> 224086 - 48 </Td> <Td> 0.305 </Td> </Tr> <Tr> <Td_colspan="8"> After Siobhan's funeral, the sisters learn Helena has been kidnapped and Neolution are trying to force the birth of her twins immediately . Westmoreland's backers have started to be murdered but Felix and Art are able to get information with help from Rachel . They are hiding Helena in the abandoned asylum wing next to Dyad's main building; which is swarming with police and media with Neolution exposed . Sarah is taken there by Detective Engers while disguised as Rachel . But Sarah is caught before she can kill Westmoreland / Mathieson . Meanwhile, Coady follows orders and euthanizes Mark, ending the Castors . Helena slits her wrist to die so her babies won't be abused like she was . Helena is saved with Sarah's blood . Scott and Hell - Wizard sneak into Dyad to let Art inside the old wing . Helena bashes Coady's head against the gurney . Before she and Sarah can escape, Helena's water breaks . </Td> </Tr> <Tr> <Th> 50 </Th> <Td> 10 </Td> <Td> "To Right the Wrongs of Many" </Td> <Td> John Fawcett </Td> <Td> Renée St. Cyr & Graeme Manson </Td> <Td> August 12, 2017 (2017 - 08 - 12) </Td> <Td> 224086 - 49 </Td> <Td> 0.376 </Td> </Tr>

When does the next episode of orphan black come out