Season 5

1. S05E01

   Prophet Five

   2005-09-29

   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.

2. S05E02

   ...1...

   2005-10-06

   Sydney visits Sloane in his jail cell. Jack meets with Thomas Grace, a new agent he is recruiting into APO.

3. S05E03

   The Shed

   2005-10-13

   The team interrogates Rachel, a hacker working for Dean, as Sydney realizes they have a lot of similarities.

4. S05E04

   Mockingbird

   2005-10-20

   A shipping crane lifts Sydney's car hundreds of feet off the ground. Sydney answers her phone - it's Gordon Dean saying he wants Mockingbird.

5. S05E05

   Out of the Box

   2005-10-27

   Sloane asks to be reinstated in APO so he can find a cure for Nadia. Syd and Tom meet Renee in Marseilles and return to her loft, where the now revived but disoriented man from the box suprises them.

6. S05E06

   Solo

   2005-11-10

   Sydney must guide a nervous and pensive Rachel on her first solo mission. Sloane must decide whether or not to betray the trust he's recently earned with APO.

7. S05E07

   Fait Accompli

   2005-11-17

   Sloane confesses to Jack and Sydney that he had been working with Dean, as they come up with a plan to trap him.

8. S05E08

   Bob

   2005-12-07

   Unaware of who the other really is, Rachel and Sark fall for each other while both undercover.

9. S05E09

   The Horizon

   2005-12-14

   Hoping to gain information from her, Prophet Five capture Sydney and makes her relive moments of her past with Vaughn.

10. S05E10

    S.O.S.

    2006-04-19

    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.

11. S05E11

    Maternal Instinct

    2006-04-19

    Irina returns and claiming to want to help, convinces Jack and Sydney to take her on a mission to retrieve The Horizon.

12. S05E12

    There's Only One Sydney Bristow

    2006-04-26

    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.

13. S05E13

    30 Seconds

    2006-05-03

    Sloane is distressed to learn that Prophet Five's cure for Nadia is just as likely to kill her. Meanwhile, the search for Anna Espinosa continues, Rambaldi's prophetic Page 47 resurfaces, and Sydney offers Renee a job at APO.

14. S05E14

    I See Dead People

    2006-05-10

    Sydney must beat arch-nemesis Anna Espinosa to the punch when a mysterious chip found planted in Renee is tied to Vaughn. Meanwhile, Sloane struggles with ghostly visions while working for Prophet Five.

15. S05E15

    No Hard Feelings

    2006-05-17

    Sydney must stay undercover and partner with Sark to track down Rambaldi's final clue before Prophet Five finds it. Meanwhile, Vaughn sees daughter Isabelle for the first time, and Rachel discovers Tom's secret.

16. S05E16

    Reprisal

    2006-05-22

    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.

17. S05E17

    All the Time in the World

    2006-05-22

    Sydney and Jack must find a way to keep Sloane and Irina from putting their deadly plan into action.

More from the 2000s.