Scarred by Many Past Frustrations (S03E05)

Helena and her seestra are reunited at the Castor camp when Sarah is captured. As Sarah suffers testing, Paul appears to chide her; but his allegiances are beginning to strain. While the Leda family worries about Sarah's absence, Gracie 'breaks Amish' under the care of Mrs. S and an unwilling Felix. Cosima falls hard for an internet date, Shay. Ksenia Solo guest stars. (BBC America)