Sarah agrees to talk to Rachel face-to-face, and is forced to do her sister a favor in order to secure Duncan's clone research. Helena and Gracie settle in with the Hendrixes, and Alison confronts Jason about their relationship. Meanwhile, Felix must go undercover to introduce himself to another Leda clone.
U.S. air dates are in MM.DD.YY form. U.K. air dates are in DD.MM.YY form.