Alias Season 5 Episode Guide
Season 5 has 17 episodes, from September 29, 2005 to May 22, 2006. Descriptions stay brief and spoiler-light.
Episode 1: Prophet Five
Airdate: September 29, 2005
Description: After learning that the man she has known as Michael Vaughn is under investigation and suspected of being a double agent, Sydney begins to question whether their business and personal relationship over the years had all been a lie.
Episode 2: …1…
Airdate: October 6, 2005
Description: Sydney visits Sloane in his jail cell.
Episode 3: The Shed
Airdate: October 13, 2005
Description: The team interrogates Rachel, a hacker working for Dean, as Sydney realizes they have a lot of similarities.
Episode 4: Mockingbird
Airdate: October 20, 2005
Description: A shipping crane lifts Sydney's car hundreds of feet off the ground.
Episode 5: Out of the Box
Airdate: October 27, 2005
Description: Sloane asks to be reinstated in APO so he can find a cure for Nadia.
Episode 6: Solo
Airdate: November 10, 2005
Description: Sydney must guide a nervous and pensive Rachel on her first solo mission.
Episode 7: Fait Accompli
Airdate: November 17, 2005
Description: Sloane confesses to Jack and Sydney that he had been working with Dean, as they come up with a plan to trap him.
Episode 8: Bob
Airdate: December 7, 2005
Description: Unaware of who the other really is, Rachel and Sark fall for each other while both undercover.
Episode 9: The Horizon
Airdate: December 14, 2005
Description: Hoping to gain information from her, Prophet Five capture Sydney and makes her relive moments of her past with Vaughn.
Episode 10: S.O.S.
Airdate: April 19, 2006
Description: Marshall recovers an emergency transmission from Sydney but it's deleted by a Langley insider before he could listen to it – meaning Prophet Five has infiltrated the CIA.
Episode 11: Maternal Instinct
Airdate: April 19, 2006
Description: Irina returns and claiming to want to help, convinces Jack and Sydney to take her on a mission to retrieve The Horizon.
Episode 12: There's Only One Sydney Bristow
Airdate: April 26, 2006
Description: As part of a plan to bring Sydney back into the field for Prophet Five's own purposes, Peyton has Anna Espinova kidnap Will Tippin.
Episode 13: 30 Seconds
Airdate: May 3, 2006
Description: Sloane is distressed to learn that Prophet Five's cure for Nadia is just as likely to kill her.
Episode 14: I See Dead People
Airdate: May 10, 2006
Description: Sydney must beat arch-nemesis Anna Espinosa to the punch when a mysterious chip found planted in Renee is tied to Vaughn.
Episode 15: No Hard Feelings
Airdate: May 17, 2006
Description: Sydney must stay undercover and partner with Sark to track down Rambaldi's final clue before Prophet Five finds it.
Episode 16: Reprisal
Airdate: May 22, 2006
Description: Sloane takes Marshall and Rachel hostage in order to discover a crucial clue to Rambaldi's ultimate endgame, as Sydney, Vaughn and APO race to stop him.
Episode 17: All the Time in the World
Airdate: May 22, 2006
Description: Sydney and Jack must find a way to keep Sloane and Irina from putting their deadly plan into action.