Alias

A sexy, high-octane thrill ride filled with espionage, intrigue and cliffhangers. It chronicles the adventures of operative Sydney Bristow as she battles shadowy intelligence agencies, along with some seriously twisted family members. During season 2, executive producer J.J. Abrams abandoned the double-agent angle, then revived it in the fourth year aft (more…)

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Season 4, Episode 17 A Clean Conscience

First Aired: April 27, 2005

Dixon fears that an old colleague may have gone bad, until they wind up working together to stop a terrorist cell from getting hold of a toxic threat to the world's water supply. Back home, Sophia (Sonia Braga) visits Nadia and gives Sloane alarming news about someone who may want his daughter dead; and Jack struggles with the side effects of his treatment for radiation poisoning. Dr. Liddell: Michael McKean. Nadia: Mia Maestro.

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