Alias

Sydney finds herself face-to-face with her mother, Irina Derevko.

Sydney begins to question whether her mother is trying to help her or trying to get her killed.

Sydney must stay one step ahead of Mr Sark in retrieving a crucial piece of intel. Jack must face Sydney's mother while Will meets Vaughn.

Sydney's dealings with her mother lead Jack to take drastic measures to ensure his daughter's safety. Meanwhile Will is confronted by a mysterious woman about resurrecting his story on SD-6.

Sydney uncovers a chilling secret while on a case. Vaughn suspects Jack of setting up Sydney's mother to take the fall.

Jack does what it takes to earn back Sydney's trust, while Sydney and Vaughn may have been exposed to a deadly virus.

Sydney must make a deal with her nemesis, Mr Sark, in order to find a cure for an ailing Vaughn.

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Alliance counterintelligence head Ariana Kane is investigating the disappearance of Emily Sloane. Marshall is sent on his first mission.

Marshall's life is placed in mortal danger. Ariana Kane has her sights set on Jack as the prime suspect in the disapearence of Sloane's wife.

Ariana Kane tracks Sydney in order to catch Jack. Sydney and Vaughns covers may have been compromised after sharing a romantic dinner together in France.

Sydney and Jack scramble to get information on the new Director of SD-6, who is appointed when Sloane goes missing.

CIA Agent Lennox's identity is called into question by Sydney, Jack and Vaughn after his deep cover mission is blown.

Sydney thinks about leaving the agency. Sloane kidnaps a scientist to help him piece together the mysterious Rambaldi device.

Sloane discovers the powers of a mysterious Rambaldi device. Sydney senses that Francie is keeping secrets.

Sydney begins to lose trust in Vaughn when she discovers the he is under investigation by the Agency.

Sydney faces off with her mother, while Emily Sloane must decide whether to side with her husband or betray him.

Sydney defies her father in her attempt to rescue a kidnapped scientist, while Sloane, seeking revenge, becomes more dangerous than ever. Meanwhile, Allison manipulates an unsuspecting Will for his agency connections.

The Agency acts to stop an apocalyptic event prophesized by Rambaldi. Vaughn questions Dixon's state of mind.

Sydney begins to question Will's identity when he's arrested for espionage, under suspicion of being a double. Meanwhile Sark and Irina plot to recover the Di Regno heart, and Sloane makes Jack a business proposal.

Sydney confronts her mother, who reveals her true motivation. Will struggles to figure out who's behind his set-up.