After finally discovering the identity of the Rambaldi "Passenger," who is Sloane's illegitimate daughter, Sydney and Jack seek the aid of Sloane, to track the "Passenger" down, first by ... See full summary »



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Episode cast overview:
Phillip Terrance


After finally discovering the identity of the Rambaldi "Passenger," who is Sloane's illegitimate daughter, Sydney and Jack seek the aid of Sloane, to track the "Passenger" down, first by Sloane meeting with the five key members of a secret government group called "The Trust" to gain access to a Rambaldi device to locate the "Passenger". Sydney then travels to Chechnya to a prison where she finally finds her half-sister, Nadia Santos, an Argentine national and secret agent in hiding. Meanwhile, after learning a secret about his father from Thomas Brill, Vaughn is kidnapped and tortured by Lauren and Sark, who are about to track "The Passenger" down themselves while Dixon, Weiss and Marshall race against the clock to find Vaughn before he is killed. Written by Anonymous

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Release Date:

25 April 2004 (USA)  »

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Aspect Ratio:

1.78 : 1
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Did You Know?


First appearance in the series of Mía Maestro as Nadia Santos, Sydney's sister. Maestro would become a series regular in the following season. See more »


Julian Sark: [to Vaughn] But there are three things that you should understand. The first involves this item I hold in my hands. It's capable of delivering up to 500,000 volts... not enough to kill you, just enough to let you wish it would. The second is I believe Mr. Brill disclosed the location of the Passenger, which means I won't stop until you tell me. And third, Mr. Vaughn, is that I'm going to enjoy this far more than I should.
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Alias Theme
Written by J.J. Abrams
Performed by Michael Giacchino
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User Reviews

Sydney finds her sister
7 August 2010 | by (United Kingdom) – See all my reviews

As series three draws to a close many of the plot lines have been fully revealed; Vaughn knows that his wife is a Covenant agent, Sloane has revealed that his daughter, Sydney's half sister is the passenger and he is free from CIA custody. This doesn't mean the action is over though; Sydney must still find her sister and Vaughn must keep a secret from his wife and Sark.

As this episode opens Sydney learns that Sloane is alive and he tells her that to find her sister she must steal a Rambaldi artefact from the Smithsonian. Of course it won't be a simple break in; to access the vault she needs a retinal scan from the five members of The Trust. Once she acquires the object things get even harder for her as it reveals her sister is in a prison in Chechnya. While she goes there to rescue her she doesn't know that the Covenant have a lead to her location as well. An old friend of Vaughn's father told him how his father died protecting the Passenger and told him where she was, unfortunately before he can act on the information he is captured and tortured by Sark.

Even though most of the questions posed in the season have been answered the season remains as exciting as ever as it approaches its dénouement. There is a well choreographed fight scene as Sydney and her sister Nadia break of of the prison, some tense scenes as Vaughn is tortured and once again it appears that Sloane has betrayed the trust placed in him.

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