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Ruthless in Purpose, and Insidious in Method

This episode is locked. New translations may be added.

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, Coady and Benchman scheme to track down the Castor Original, and Rudy descends on DYAD for a much needed asset.

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  • Originally Aired June 6, 2015
  • Runtime 42 minutes
  • Content Rating United States of America TV-MA
  • Network Space
  • On Other Sites IMDB
  • Created June 9, 2021 by
    PolarGeek admin
  • Modified May 26, 2025 by
    ynnoc
Name Type Role
Chris Roberts Writer
Graeme Manson Writer
Graeme Manson Showrunner
Tom McCamus Guest Star
Josh Vokey Guest Star
Rosemary Dunsmore Guest Star
Ksenia Solo Guest Star
Kyra Harper Guest Star
Justin Chatwin Guest Star
Aaron Morton Director