Alias - Season 3 Episode 6 -

Sydney's emotions are turned inside-out when she once again comes face-to-face with Allison Doren, the murdered Francie's doppelgänger, who was presumed dead but is now a key assassin working for the Covenant. Meanwhile Lauren's search for Lazarey's murderer leads her closer to discovering the connection to Sydney, and Sydney begrudgingly is assigned as Sloane's CIA handler.