Episode 62 of "Alias"
s03e18 Unveiled
Title: Unveiled
Original Air Date: 04/11/2004 on ABC
Director: Jack Bender
Writer: Monica Breen, Alison Schapker
Guest Stars: Morgan Weisser (Cypher), Geno Silva (Diego Machuca), Djimon Hounsou (Kazari Bomani), Jordi Caballero (Technician), Vincent Riotta (Dr. Viadro), Daniel A. Ortiz (Goth Raver (uncredited))
Plot Outline:
Sydney and Jack warn a disbelieving Vaughn about their suspicions of Lauren being the CIA mole. Meanwhile, Bomani and Sark take possession of the Rambaldi machine, Sydney and Vaughn must stop a Covenant virus that's crippling medical facilities around the world, Sloane's secret is revealed to Jack, and Bomani begins to lose faith in Lauren's ability to carry out her Covenant missions.