Episode 74 of "Alias"
s04e08 Echoes
Title: Echoes
Original Air Date: 02/23/2005 on ABC
Director: Daniel Attias
Writer: Josh Appelbaum, André Nemec
Guest Stars: W. Morgan Sheppard (Mr. Sabine), Sven Holmberg (Stranger), Nick Jaine (Dr. Jain), David Anders (Julian Sark), Sebastian Roché (Willem Karg), Darrel Guilbeau (Desk Clerk), Scott Vinci (Waiter), Paul Green (Prison Guard)
Plot Outline:
Sloane temporarily steps down as Director of his Task Force and gives Jack full authority over the next assignment, which involves Anna Espinosa, Sydney's old foe. However, Anna turns the tables on APO when she captures Nadia and forces Sydney to do her biddings. Sydney tells Nadia about the Rambaldi's prophecy which dictates that two sisters will fight and only one will survive. Meanwhile, Vaughn visits Sark and tries to trick him into helping them to catch Anna. In the end, one of the sisters is mortally wounded by Anna.