When the CIA intercepts a secret message, Sydney discovers that the life of Neil Caplan, the mathematician still held captive by Sloane and Irina, may be in danger from t ...

Following her betrayal, the CIA try desperately to track down Irina Derevko. Their trail on Derevko leads them to Stuttgart and closer to Sark and Sloane, even as Sloane ...

When Sydney learns that Vaughn is under investigation for being a double agent, Jack and Irina forge an unlikely partnership in their attempt to get their daughter out of ...

When Sloane gets his hands on a terrifying Rimbaldi weapon that causes internal spontaneous combustion, Sydney must turn to a betrayed and hurt Dixon for help. But when h ...

Sydney finally has the opportunity to leave the CIA for good, but a startling phone call from Sloane, combined with the kidnapping of a brilliant mathematician, brings he ...

When a young CIA agent dies, suspicion immediately falls on her parter and lover, agent Jim Lennox. But after Sydney rescues Lennox from captivity, She trikes up an insta ...

The entire world of 'ALIAS' is turned upside down. Sloane disappears mysteriously and Anthony Geiger becomes the new head of SD-6. As the Bristows struggle to keep their ...

Sydney and Vaughn reach a crossroads as they try to turn a professional relationship into a personal one during a mission to recover an experimental gyroscope. Meanwhile, ...

When Sydney learns that Marshall has been kidnapped, she struggles against a heartless Sloane to bring Marshall back whom is being tortured by the same Taiwanese torturer ...

Backed into a corner, Sark cuts a desperate deal Sloane using Sydney to recover a state-of-the-art surveillance system. But when the plan goes awry, SD-6 sends Marshall w ...

Still trapped in hostile territory in Pakistan, Sydney, Jack, and Irina continue their search for the missing nuclear warheads held by PRF's leader Gerard Cuvee. After se ...

Sark's alliance with SD-6 suddenly puts Sydney at risk of being exposed as a double agent. She has no choice but to cooperate with his plan, until his alliance with Sloan ...

As Vaughn's life hangs in the balance, Sydney has no choice but to turn to Sark for help in securing an antidote for the virus. But when Sark demands She help him to kill ...

Sydney's fury at Jack's present betrayal and past sins leads her father to a desperate act to prove his love for her. Meanwhile, Vaughn - after enlisting Will in a seemin ...

Jack's decision to sabotage Sydney's last mission while pinning it on Irina not only brings him closer to his daughter - it sends his ex-wife to death row. But his foolpr ...

Past demons revisit all the characters as Sloane becomes confused and desperate over clues that his wife may not be dead. At the same time, Will meets a woman who claims ...

Sydney must travel to Sri Lanka to outwit Sark in order to find a crucial piece of Intel from a computer disk that she recovers from Rabal. Meanwhile, Jack faces Sydney's ...

After turning herself in to the CIA, Irina won't communicate with anyone - except her daughter. Sydney refuses to cooperate, until a mission goes awry and crucial informa ...

Sydney finds herself face-to-face with her long-lost mother, Irina Derevko, whose intentions for her daughter are made chillingly clear. However, Sydney manages to escape ...

Sloane must take a difficult decision in order to get to the Alliance's council. After being captured by Sark, Tippin is tortured by a Taiwanese would-be dentist to extra ...

While Sloane is desperate to buy few more days for his wife, Will, with a help of Jack, sets up a meeting with his contact Deepthroat in Paris. As the luck would have it, ...

Francie is having a rat problem in her house and gives an inspiring speech about catching them which gives Sydney idea how to catch Khasinau. She and Vaughn set up fake t ...

As Sydney and Noah go to Cape Town to get some data on The Man , Sloane begins to question where Noah's true allegiances lie when his team finds some suspicious bank acti ...

After she managed to prove her innocence to FBI, Sydney is sent to Vienna to retrieve data from SD-6 spy in Russian Embassy. There she runs into Noah Hicks, her ex who br ...

Sydney is being questioned by DSR regarding her life as double agent for CIA. Fearing that DSR and FBI might fully take advantage of directive 81A (hold her in custody wi ...

Department of Special Research gained interest in Sydney's role involving the page 47 and they began their own investigation regarding it. To save herself, Sydney needs t ...

Vaughn presents Sydney with a moral dilemma that includes Sloane's ill wife, Emily, in order to fulfill the mission whose outcome is an unpleasant surprise to everyone. S ...

After the SD-6 finds out that another terrorist organisation was attacked at the same time as them, Sydney and Dixon are sent to Las Vegas, and later Moscow, to try to fi ...

Vaughn disobeys the CIA in order to infiltrate SD-6 when he receives a desperate plea for help from Dixon. At SD-6, Cole continues his vendetta against Sloane and his sea ...

When former SD-6 agent McKenas Cole with his crew of bandits take over SD-6, Sydney has to forget her previous plan about quitting the agency and has to focus on her miss ...

Sydney is sent to Greece to retrieve information about new weapons that are being produced by a young tycoon. Meanwhile, Vaughn plans to report Jack for his apparent invo ...

After she manages to escape a certain death at SD-6 and still manages to maintain her cover as double agent, Sydney is sent on a private island to find new identity of In ...