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17 Episodes 2005 - 2006
Episode 1
Thu, Sep 29, 200543 mins
After learning that the man she has known as Michael Vaughn is under investigation and suspected of being a double agent for another secret terrorist group called Prophet Five, Sydney begins to question whether their business and personal relationship over the years had all been a lie.

Episode 2
Thu, Oct 6, 200542 mins
Four months after Vaughn's murder by the traitorous Gordon Dean and his associate Ivan Curtis, a grief-stricken Sydney teams up with Renée Rienne, a French freelance assassin and fugitive on the CIA's most wanted list who knew Vaughn from their past association with Prophet Five.
Episode 3
Thu, Oct 13, 200543 mins
Sydney and Tom must persuade Rachel to infiltrate The Shed to download Dean's computer files to learn where Substance 33 is being hidden. Meanwhile, Dixon must accompany Sloane, who's given a 48-hour pass from prison to acquire a possible cure for his still-comatose daughter, Nadia, from a scientist in Russia.

Episode 4
Thu, Oct 20, 200543 mins
While Sloane awaits the outcome of his sentencing for treason, a mysterious associate of Gordon Dean approaches him for a favor in exchange for persuading the judges to rule in favor of acquittal. Meanwhile, Sydney and Tom must try to convince Rachel to help them catch the fugitive Gordon Dean.

Episode 5
Thu, Oct 27, 200542 mins
Sydney and Tom travel to Marseilles, France when they discover that Renée has stolen the cryo container which contains the cryogenically frozen body of her supposedly dead father. Rachel and Dixon travel to San Francisco to assist Marshall in the break-in of a vault facility to copy files to learn more about Renee's father.

Episode 6
Thu, Nov 10, 200542 mins
After Sydney and the APO team infiltrates a formal party at the Chinese embassy in India to locate a fugitive arms dealer, named Janos Vak, Rachel is chosen to begin very first solo mission by infiltrating an off-shore oil platform, with com-links from Sydney whose pregnancy now limits her role in missions.

Episode 7
Thu, Nov 17, 200542 mins
Sloane decides to betray Dean when he learns that Nadia's condition will probably not improve. They meet at a race track in Dubai to exchange a network access card which Sydney and Renee stole in Rome, leading to Dean finally being captured. The APO interrogates Dean for information on Prophet Five.

Episode 8
Wed, Dec 7, 200543 mins
An incident concerning a microwave bomb brings APO to send Rachel in Sao Paolo in order to take information about this weapon. However, another person who is named "Bob" is also after this information. Rachel has a fling with him, but back at APO, she finds out that he is Julian Sark.

Episode 9
Wed, Dec 14, 200541 mins
When Kelly Peyton steals some software from a CIA warehouse concerning the late Michael Vaughn, Sydney is soon abducted by Prophet Five agents where she is subjected to a hypnotic state making her flash back to her happier times with Vaughn in order to learn where a supposedly powerful device, called The Horizon, is located.

Episode 10
Wed, Apr 19, 200642 mins
After escaping from Peyton and her henchmen, and learning she's on a freighter at sea, Sydney goes to the communications room and sends a message to APO routed through the CIA to her whereabouts. Unbeknownst to her, the message is intercepted by a mole at the CIA working for Prophet Five.

Episode 11
Wed, Apr 19, 200642 mins
Now nine months pregnant and on maternity leave, Sydney is surprised when her mother, Irina Derevko, shows up at her front door pretending to be a victim pursued by Prophet Five to get information on the whereabouts of 'The Horizon'. Jack, Sydney and Irina travel to Vancouver to an high-rise office building to steal the Horizon.

Episode 12
Wed, Apr 26, 200642 mins
One month later, with Sydney on maternity leave, she gets forced back into the field when her old enemy, Anna Espinosa, returns after she's secretly sprung from prison by Peyton who gives her a job offer to work for Prophet Five whose leaders have secretly contact with Sloan.

Episode 13
Wed, May 3, 200643 mins
While Sydney and the rest of APO try to learn more about Prophet Five and what their plans for Sydney are, Sloane finally acquires a bottle of serum from Prophet Five as a cure for the comatose Nadia. But Sloane becomes distraught when he learns that for it to work, he must stop Nadia's heart for a full 30 seconds.

Episode 14
Wed, May 10, 200642 mins
In the aftermath of both Renee's and Nadia's murder, a vengeful Sydney becomes determined to find Sloan whom has abandoned his morals and joined Prophet Five in their search for Rimbaldi's great mystery. Meanwhile, visions of the dead Nadia plague Sloan as he tries to stall for time with Peyton over his deciphering of Page 47.

Episode 15
Wed, May 17, 200642 mins
After killing the Sydney double/Anna, the real Sydney decides to impersonate her to infiltrate Prophet Five to know about their intentions, which leads her to have a reunion with Julian Sark who are both sent by Sloan, Peyton, and the rest of Prophet Five to infiltrate a maximum security prison in Italy to find a mysterious artifact and the final Rimbaldi clue.

Episode 16
Mon, May 22, 200643 mins
Having finally learned the identities of all the 12 leaders of Prophet Five, Sydney, Jack, Tom, Dixon, and the rest of APO debate their next move when both Marshall and Rachel are abducted by Sloane whom has Sark and Peyton torture them to help him locate a Rimbaldi cave to where the ruby necklace can be deciphered.

Episode 17
Mon, May 22, 200643 mins
In the aftermath of the destruction of APO and death of Tom Grace, Sydney and Vaughn and the surviving members of APO try to stop Sloane from fulfilling the Rimbaldi endgame when Sloane takes over Prophet Five and acquires two Soviet nuclear missiles to use to bring on destruction to profit on reconstruction.
