Episode 50 of "Alias"
s03e06 The Nemesis
Title: The Nemesis
Original Air Date: 11/02/2003 on ABC
Director: Lawrence Trilling
Writer: Crystal Nix Hines
Guest Stars: Colin Campbell (Heinrich Strauss), Peter J. Lucas (Tupikov), Martin Horsey (Man), Dougald Park (Robert Lange), Emma Bering (Receptionist), Krassimir (Bulgarian Coo), Zoran Radanovich (Cell Leader), Alex Mapa (NSC Technician)
Plot Outline:
Sydney's emotions are turned inside-out when she comes face-to-face with Allison, Francie's doppelgänger, who was presumed dead but is now a key figure in The Covenant. Meanwhile Lauren's search for Lazarey's murderer leads her closer to discovering a connection to Sydney, and Sydney begrudgingly is assigned as Sloane's CIA handler.