Episode 23 of "Alias"
s02e01 The Enemy Walks In
Title: The Enemy Walks In
Original Air Date: 09/29/2002 on ABC
Director: Ken Olin
Writer: J.J. Abrams
Guest Stars: Jamie McShane (CIA Agent), Greg Grunberg (Agent Weiss), Tricia Nickell (Reporter #3), Danny Romero (Reporter #1), Chris Harrison (Reporter #2), Ron Yuan (Haz Mat Guy), Derrick O'Connor (Alexander Khasinau), Stuart Yee (The Tester), Todd Karli (Newscaster), Dayna Adams (Receptionist), Roger Lim (Gasping Soldier)
Plot Outline:
Sydney finds herself face-to-face with her mother, whose intentions for her daughter are made chillingly clear. Meanwhile Sydney continues her search for Vaughn, not knowing if he is dead or alive after being swept away by a wall of water in Taipei. Will's life is forever changed when he learns the truth about SD-6 and Sydney's life as a double agent. Dixon must decide whether or not to inform Sloane of Sydney's suspicious activities.