Alias

Episode Guide

Season One | Season Two | Season Three | Season Four | Season Five

Season One

1.01 - Truth Be Told

Original Air Date: September 30, 2001
Written by: J.J. Abrams
Directed by: J.J. Abrams
Summary: Sydney Bristow discovers that the agency she worked for is not in fact affiliated with the C.I.A. but is actually the enemy. When he fiance is murdered she is faced with having to learn who she can really trust and learns some surprising things about those close to her.

1.02 - So It Begins

Original Air Date: October 7, 2001
Written by: J.J. Abrams
Directed by: Ken Olin
Summary: On a mission with Dixon to Moscow, Sydney inadvertantly gives SD-6 access to a nuclear weapon. Feeling bad for Sydney, Will begins to investigate Danny's murder.

1.03 - Parity

Original Air Date: October 14, 2001
Written by: Alex Kutrzman and Roberto Orci
Directed by: Mikael Soloman
Summary: Sydney is sent to Madrid to retrieve a 500 year-old sketch by Milo Rambaldi that contains binary code. There she meets with her nemesis, Anna Espinosa. Will continues his investigation.

1.04 - A Broken Heart

Original Air Date: October 21, 2001
Written by: Vanessa Taylor
Directed by: Harry Winer
Summary: On a mission in Morocco, a friend of Sydney's and Dixon's is killed. Sydney attempts to reach out to Jack by inviting him to dinner. Francie confronts Charlie and she and Will become more suspicious of Sydney's activities.

1.05 - Doppelgänger

Original Air Date: October 28, 2001
Written by: Daniel Arkin
Directed by: Ken Olin
Summary: A biotech engineer threatens Sydney's status as a double agent after a mission in Berlin. Will meets with a woman named Kate Jones who claims to have had an affair with Danny. The C.I.A. plants a worm in the SD-6 computers.

1.06 - Reckoning

Original Air Date: November 18, 2001
Written by: Jesse Alexander
Directed by: Dan Attias
Summary: As Sydney must go undercover in an insane asylum in Bucharest she begins to suspect that her father may have worked for the KGB and been involved in her mother's death. Will discovers the true identity of Kate Jones and Francie is relieved to find out Charlie has been faithful.

1.07 - Color Blind

Original Air Date: November 25, 2001
Written by: Alex Kurtzman and Roberto Orci
Directed by: Jack Bender
Summary: At the asylum Sydney finds out that Martin Shepard killed Danny. Will finds out that Eloise Kurtz is dead. Jack explains his involvement with the FBI and Laura's accident to Sydney.

1.08 - Time Will Tell

Original Air Date: December 2, 2001
Written by: Jeff Pinkner
Directed by: Perry Lang
Summary: Sydney encounters Anna on a mission to Italy. Sloane's suspicions about a mole in SD-6 force Sydney to take an extensive lie detector test. Will discovers a microphone that belonged to Eloise Kurtz and Sydney finds something in the books Jack bought for his wife.

1.09 - Mea Culpa

Original Air Date: December 9, 2001
Written by: Debra J. Fisher and Erica Messer
Directed by: Ken Olin
Summary: Sydney is in danger when Sloane is informed of the presence of a mole in SD-6. Dixon's life is also in danger after he is shot on a mission in Argentina. Will believes his discovery of the pin/microphone belonging to Eloise Kurtz could lead to something.

1.10 - Spirit

Original Air Date: December 16, 2001
Written by: J.J. Abrams and Vanessa Taylor
Directed by: Jack Bender
Summary: Sydney tells Vaughn about her questioning by SD-6 and their feelings deepen as he gives her a Christmas gift. Sloane still suspects Sydney and Jack tries to find a way to save her. Will overhears the name SD-6 and beings to investigate.

1.11 - The Confession

Original Air Date: January 6, 2002
Written by: J.J. Abrams and Daniel Arkin
Directed by: Harry Winer
Summary: Sydney is impressed by Jack's efforts on a mission in Havana but the feeling is short lived. After conversations with Vaughn, Sydney begins to suspect that Jack was responsible for the deaths of a dozen C.I.A. agents and she decides to discuss it with the C.I.A., where she learns something surprising.

1.12 - The Box, Part One

Original Air Date: January 20, 2002
Written by: Jesse Alexander and John Eisendrath
Directed by: Jack Bender
Summary: Armed intruders take over SD-6, intent on exacting revenge on Sloane. Sydney and Jack work together to stop the intruders. Will begins to worry that his investigation into SD-6 could put his life in danger.

1.13 - The Box, Part Two

Original Air Date: February 10, 2002
Written by: Jesse Alexander and John Eisendrath
Directed by: Jack Bender
Summary: McKenas Cole continues his breach of SD-6 and his personal vendetta against Sloane. Will meets with someone who knows something about SD-6. Dixon contacts the C.I.A. for help, believing that they'll come and help. Vaughn and Weiss receive his message.

1.14 - The Coup

Original Air Date: February 24, 2002
Written by: Alex Kurtzman and Roberto Orci
Directed by: Thomas J. Wright
Summary: Sydney and Dixon are sent on a mission to Las Vegas where Sydney runs into Francie and Charlie as they're about to get married. Will continues to investigate SD-6. Jack tries to make more progress in his relationship with Sydney. Sydney struggles with whether or not to share her news about Charlie with Francie.

1.15 - Page 47

Original Air Date: March 3, 2002
Written by: J.J. Abrams and Jeff Pinkner
Directed by: Ken Olin
Summary: Vaughn asks Sydney to use her friendship with Sloane's wife Emily to get into Sloane's house. Vaughn asks Sydney to steal the page from Rambaldi's book from Sloane's house. Will continues to dig up information about SD-6 and is kidnapped and told to stop writing his story.

1.16 - The Prophecy

Original Air Date: March 10, 2002
Written by: John Eisendrath
Directed by: Davis Guggenheim
Summary: Sydney is tested by the Department of Special Research due to her likeness to a 500 year-old Rambaldi drawing, and the prophecy involved in the drawing that states the woman in it will bring about great destruction. Sloane learns that his friend, a member of the Alliance, may be working for their enemy known simply as "The Man".

1.17 - Q&A

Original Air Date: March 17, 2002
Written by: J.J. Abrams
Directed by: Ken Olin
Summary: Sydney is faced with intense questioning from the DSR and FBI Assistant Director Kendall. Sydney's absence causes problems with her cover at SD-6. Jack, Vaughn and Weiss work together to get Sydney out of custody and prove the prophecy incorrect. Through her questioning, Sydney discovers something about her family in regards to Rambaldi.

1.18 - Masquerade

Original Air Date: April 7, 2002
Written by: Alex Kurtzman and Roberto Orci
Directed by: Craig Zisk
Summary: Sydney and Dixon are on a mission to track down information about "The Man" who they know know is Alexander Khasinau. While there, Sydney runs into her former lover, SD-6 agent Noah Hicks. Sydney tells Sloane that she wants to try and find her mother. Jack is ordered to see a C.I.A. psychiatrist. Will and Francie become suspicious of Sydney's travels.

1.19 - Snowman

Original Air Date: April 14, 2002
Written by: Jess Alexander and Jeff Pinkner
Directed by: Barnet Kellman
Summary: Will and Francie confront Sydney about her work trips. Sloane doesn't trust Noah. Jack is unsettled by Sydney's investigation into her mother. An assassin known as The Snowman kills Ben Calder, who has information regarding Sydney's mother.

1.20 - The Solution

Original Air Date: April 21, 2002
Written by: John Eisendrath
Directed by: Dan Attias
Summary: Sydney and Vaughn attempt to track down Khasinau by meeting with Sark, however Dixon was sent by SD-6 to stop the meeting and apprehend Sark. Will is shocked to learn the identity of one of his kidnappers. Emily tells Sydney that she knows about SD-6, leaving Sloane to make a very difficult decision.

1.21 - Rendezvous

Original Air Date: May 5, 2002
Written by: Debra J. Fisher and Erica Messer
Directed by: Ken Olin
Summary: Will and Jack head to Paris in order to find out who has been feeding Will information about SD-6. Sydney and Dixon are sent to Paris to find Khasinau after SD-6 gets Sark into custody. Will's life is in danger as he gets more than he bargained for. Dixon finds Sydney's behavior suspicious.

1.22 - Almost Thirty Years

Original Air Date: May 12, 2002
Written by: J.J. Abrams
Directed by: J.J. Abrams
Summary: Will's life is again in danger as he is kidnapped from the C.I.A. safehouse. Sydney and Vaughn go on a mission to try and save Will. Jack meets with Sark to try and save Will. The Alliance comes to a decision regarding Emily and her knowledge of SD-6. Dixon becomes even more suspicious of Sydney and takes action. Sydney meets "The Man".


Season Two

2.01 - The Enemy Walks In

Original Air Date: September 29, 2002
Written by: J.J. Abrams
Directed by: Ken Olin
Summary: Sydney comes face to face with her mother and immediately knows what her mother's intentions are. With Will rescued, Jack and Sydney tell him about SD-6 and their roles as double agents. Will must change his life completely so that he can continue living. Sydney continues to search for Vaughn after losing him in Taipei.

2.02 - Trust Me

Original Air Date: October 6, 2002
Written by: John Eisendrath
Directed by: Craig Zisk
Summary: Sydney cannot decide if she feels that Irina's attempts to help are honest or if she's trying to get her daughter killed. Jack and Vaughn are reluctant to accept Irina's help. Will offers to help Francie with her new restaurant after seeing her talking to an unsavory character. Sloane is made a full partner of the Alliance.

2.03 - Cipher

Original Air Date: October 13, 2002
Written by: Alex Kurtzman and Roberto Orci
Directed by: Dan Attias
Summary: Sydney must face Sark on a mission. Jack meets with Irina for the first time since she faked her death decades earlier. Sloane is being haunted by Emily, finding her garden in full bloom. Will meets Vaughn for the first time.

2.04 - Dead Drop

Original Air Date: October 20, 2002
Written by: Jesse Alexander
Directed by: Guy Bee
Summary: Sydney begins talking more to her mother, which causes Jack to worry. Kendall continues his eagerness to use Irina as a source of intel. Jack takes drastic measures to protect Sydney from the threat he feels Irina poses. Will meets a woman who tells him she believes his story about SD-6.

2.05 - The Indicator

Original Air Date: November 3, 2002
Written by: Jeff Pinkner
Directed by: Ken Olin
Summary: When Sydney is sent on a mission to uncover a new generation of weapons she learns something shocking about her own past, leading her to further question Jack. Vaughn suspects Jack framed Irina and questions him. Sloane confesses details of Emily's death to Jack.

2.06 - Salvation

Original Air Date: November 10, 2002
Written by: Alex Kurtzman and Roberto Orci
Directed by: Perry Lang
Summary: Sydney's trust in her father continues to falter. Sydney and Vaughn learn that they may have been exposed to a toxic agent while in Taipei. Sloane begins to unravel following Emily's death. Vaughn enlists Will's help in research.

2.07 - Counteragent

Original Air Date: November 14, 2002
Written by: John Eisendrath
Directed by: Dan Attias
Summary: Sydney must join forces with Sark to save Vaughn. Sark has some very serious demands of Sydney in exchange for the antidote. Will continues working on the assignment from Vaughn, which has to do with 20 year-old standardized IQ tests.

2.08 - The Passage, Part One

Original Air Date: December 1, 2002
Written by: Debra J. Fisher and Erica Messer
Directed by: Ken Olin
Summary: Sydney, Jack and Irina must make peace in order to go on a mission to Kashmir to seize nuclear warheads. Sloane informs to people at SD-6 that Sark will now be working with them. Sloane is contacted by someone claiming that Emily is alive.

2.09 - The Passage, Part Two

Original Air Date: December 8, 2002
Written by: Crystal Nix Hines
Directed by: Ken Olin
Summary: While still on the mission to Kashmir, Sydney and Jack learn where Irina's loyalties lie when she meets a man from her past. Vaughn attempts to help Sydney and her parents on their mission. Sloane informs the Alliance that it's possible Emily may still be alive.

2.10 - The Abduction

Original Air Date: December 15, 2002
Written by: Alex Kurtzman and Roberto Orci
Directed by: Nelson McCormick
Summary: An Alliance counter intelligence agent arrives to investigate what is going on with Emily and who is trying to blackmail Sloane. Francie becomes curious about Will and Sydney's secrets. Vaughn schedules a C.I.A. psych test for Will. Marshall is sent on his first field mission alongside Sydney.

2.11 - A Higher Echelon

Original Air Date: January 5, 2003
Written by: John Eisendrath
Directed by: Guy Bee
Summary: After his mission with Sydney, Marshall is kidnapped. Sydney and Dixon implore Sloane to let them rescue Marshall. Ariana Kane believes Jack had something to do with Emily's disappearance. Vaughn learns that Jack may have been involved in the death of a C.I.A. agent. Sydney tells Francie she has feelings for a co-worker.

2.12 - The Getaway

Original Air Date: January 12, 2003
Written by: Jeff Pinkner
Directed by: Lawrence Trilling
Summary: Ariana Kane begins tracking Sydney as a way to get to Jack. Jack goes on the run from SD-6 and goes to Irina for help in regards to Kane. Sydney and Vaughn go to dinner together in France, risking her safety and her cover.

2.13 - Phase One

Original Air Date: January 26, 2003
Written by: J.J. Abrams
Directed by: Jack Bender
Summary: When Sloane goes missing a new director is brought to SD-6, who is immediately suspicious of Jack and Sydney. The C.I.A. receives intel that leads them to a way to take down the Alliance once and for all. Sydney and Vaughn's relationship is taken to another level. Francie is in danger.

2.14 - Double Agent

Original Air Date: February 2, 2003
Written by: Alex Kurtzman and Roberto Orci
Directed by: Ken Olin
Summary: After a deep cover mission in Berlin, C.I.A. agent Lennox is under suspicion. Evidence emerges of a technology that can make someone look exactly like someone else. Sydney and the C.I.A. learn that this technology was used on Lennox and was also used on one other person.

2.15 - A Free Agent

Original Air Date: February 9, 2003
Written by: Alex Kurtzman and Roberto Orci
Directed by: Alex Kurtzman
Summary: Sydney is faced with a decision regarding her placement at the C.I.A. now that the Alliance no longer exists. Sloane re-emerges, more obsessed with Rambaldi than ever, and kidnaps a scientist to help him in his quest. Dixon tells his wife about his involvement with SD-6.

2.16 - Firebomb

Original Air Date: February 23, 2003
Written by: John Eisendrath
Directed by: Craig Kisk
Summary: Will is asked to participate in his first C.I.A. briefing. Sydney notices that something is different about Francie. The meaning and workings of certain Rambaldi artifacts s revealed, with Sloane in control of them. Dixon is at home trying to repair his marriage when Vaughn comes to him asking for help.

2.17 - A Dark Turn

Original Air Date: March 2, 2003
Written by: Jesse Alexander
Directed by: Ken Olin
Summary: Sydney is left questioning Vaughn's loyalty when she learns he's being investigated by the C.I.A.. Irina and a Rambaldi document are both used as bait in an attempt to capture Sloane. Jack and Irina make a connection while on a mission. Sydney welcomes Dixon to the C.I.A.

2.18 - Truth Takes Time

Original Air Date: March 16, 2003
Written by: J.R. Orci
Directed by: Nelson McCormick
Summary: When she meets with Irina, Emily is left questioning her husband's motives. Emily goes to Sydney and the C.I.A. for help. As Sydney and the C.I.A. prepare to take Sloane in, Emily has second thoughts about her involvement. Sydney sees her mother for the first time since Irina escaped.

2.19 - Endgame

Original Air Date: March 30, 2003
Written by: Sean Gerace
Directed by: Perry Lang
Summary: Allison Doren, still disguised as Francie, continues to deceive Will. Sydney defies Jack in an effort to rescue Neil Caplan. Sloane is devestated over the death of Emily and orders retaliaton against those responsible.

2.20 - Countdown

Original Air Date: April 27, 2003
Written by: R.P. Gaborno and Jeff Pinkner
Directed by: Lawrence Trilling
Summary: Sydney and Vaughn search for someone who killed a man and took his heart, which will lead to the fulfillment of a Rambaldi prophecy. Dixon's grief over Diane's murder intensifies, leaving both Vaughn and Dr. Barnett to question whether or not he is fit for duty. Sloane finds out something that will change his life.

2.21 - Second Double

Original Air Date: May 4, 2003
Written by: Breen Frazier and Crystal Nix Hines
Directed by: Ken Olin
Summary: Sydney is forced to question Will's loyalty and the possibility that he may be a double when he's arrested for espionage. Sloane makes Jack an interesting business proposal. Irina and Sark attempt to recover the Di Regno heart.

2.22 - The Countdown

Original Air Date: May 4, 2003
Written by: J.J. Abrams
Directed by: J.J. Abrams
Summary: Sydney confronts Irina, who finally reveals her true motives. Sloane executes his plan with the Rambaldi device. Will works to figure out who set him up and comes to a shocking conclusion. Sydney and Allison Doren come to a violent showdown. Sydney's life changes in a way it never has before.



Season Three

3.01 - The Two

Original Air Date: September 28, 2003
Written by: J.J. Abrams
Directed by: Ken Olin
Summary: Sydney struggles with not remembering the past two years of her life. She returns to find that Dixon has been promoted, Vaughn has left the C.I.A. and married an NSC liason named Lauren Reed and that her father is in prison for trying to find out what happened to her. Sloane has also been released from prison and pardoned. Sydney is given temporary C.I.A. clearance.

3.02 - Succession

Original Air Date: October 5, 2003
Written by: Alex Kurtzman and Roberto Orci
Directed by: Dan Attias
Summary: Sydney continues searching for information about her past and goes to Sark for answers. The C.I.A. is asked to trade Sark in exchange for two agency scientists, which could be related to Sark's father. Jack looks for information about Sloane and Vaughn makes a decision about his life as an agent.

3.03 - Reunion

Original Air Date: October 12, 2003
Written by: Jeff Pinkner
Directed by: Jack Bender
Summary: Sark tries to destroy the nation's satellite communications system and Sydney and Vaughn work together for the first time since she returned to stop him. Marshall comes closer to finding out who killed Lazeray and Jack works to stop him. Sydney goes with Vaughn and Lauren to ask Sloane for a favor.

3.04 - A Missing Link

Original Air Date: October 19, 2003
Written by: Monica Breen and Alison Schapker
Directed by: Lawrence Trilling
Summary: Sydney encounters Simon Walker, a link to her two missing years. She infiltrates Walker's group, who works to retrieve biological weapons. Vaughn feels jealous over Sydney and her mission with Walker, knowing what it is doing to his marriage to Lauren. Jack confides valuable information to Dixon.

3.05 - Reprecussions

Original Air Date: October 26, 2003
Written by: Jesse Alexander
Directed by: Ken Olin
Summary: Lauren and Sydney butt heads when Lauren learns that Sydney was the one to save Vaughn. Sydney questions Sloane's loyalties after he is kidnapped by The Convenant. Jack meets with Simon Walker to find information for Sydney. Marshall accompanies Sydney on a mission.

3.06 - The Nemesis

Original Air Date: November 2, 2003
Written by: Crystal Nix Hines
Directed by: Lawrence Trilling
Summary: Sydney is faced with Allison Doren, who she believed was dead. Allison's appearance, she now works for The Convenant, brings up bad feelings for Sydney since she still looks like Francie. Lauren searches for Lazeray's killer. Sydney reluctantly agrees to be Sloane's C.I.A. handler as he acts as a double agent within The Covenent.

3.07 - Prelude

Original Air Date: November 9, 2003
Written by: J.R. Orci
Directed by: Jack Bender
Summary: Sydney is forced to accompany Sloane on a mission to China. Sloane provides Sydney with information about her missing two years with a message using code devised by Irina. Sydney's search takes her to an apartment in Rome. Vaughn and Lauren investigate one of Simon Walker's associates. Sark provides Lauren with information about who killed Lazeray.

3.08 - Breaking Point

Original Air Date: November 23, 2003
Written by: Breen Frazier
Directed by: Dan Attias
Summary: The NSC takes over the task force after Dixon withheld information. Sydney is subjected to extreme methods of interrogation after she is taken into custody. Jack, Sloane and Vaughn form a very unlikely alliance in an effort to get Sydney out. Marshall and Lauren both try to help in the efforts to get Sydney free.

3.09 - Conscious

Original Air Date: November 30, 2003
Written by: Josh Applebaum and Andre Nemec
Directed by: Ken Olin
Summary: Sydney and Jack follow the coordinates the found, which lead them to a box with Rambaldi's symbol on it containing a severed hand. Sydney visits a neuro researcher for more help regarding her missing years. Lauren helps with Sydney's escape from the NSC detention center by going back to the C.I.A.. Lindsay and Sloane meet about The Covenant.

3.10 - Remnants

Original Air Date: December 7, 2003
Written by: Jeff Pinkner
Directed by: Jack Bender
Summary: Sydney's search for what happened to her takes her to Will, who has been in Witness Protection. The two work together to find a former C.I.A. contact of Will's, who turns out to be Lazeray. Lazeray is kidnapped by Julian Sark, his son. Sydney and Will take further steps in their relationship and they soon find themselves facing Allison Doren. Robert Lindset attempts to have Sydney assassinated.

3.11 - Full Disclosure

Original Air Date: December 14, 2003
Written by: Jesse Alexander
Directed by: Lawrence Trilling
Summary: Sydney is abducted from her home and wakes up on a place with Kendall, who informs her that he's worked with DSR throughout the entire time he's known her. He also tells her that he knows exactly where she was during those two years and what she was doing. With this new information about her past, Sydney is faced with the consequences of one of Rambaldi's prophecies.

3.12 - Crossings

Original Air Date: January 18, 2004
Written by: Josh Applebaum and Andre Nemec
Directed by: Ken Olin
Summary: Sydney and Vaughn, their relationship strained, head to North Korea to find a Covenant defector. Their plane is sabotaged and after crossing paths with Sark, they are taken into custody by the North Koreans. Jack goes to Irina's sister Katya for help, but Katya has a rather surprising demand before giving Jack her help.

3.13 - After Six

Original Air Date: February 15, 2004
Written by: Monica Breen and Allison Schapker
Directed by: Maryann Brandon
Summary: The Covenant defector gives the C.I.A. a tip about something that contains information about six high ranking Covenant operatives. Sydney and Weiss go undercover to track down a security system designer who knows how to get them into the building where this item is. Sark and Lauren also seek to find these six Covenant operatives for their own gain.

3.14 - Blowback

Original Air Date: March 7, 2004
Written by: Laurence Andries
Directed by: Lawrence Trilling
Summary: Sydney and Vaughn are sent to Vancouver to retreive a plasma charge weapon. Lauren and Sark are on that same mission for The Covenant, but escape with Sydney and Vaughn finding out their identity. While on that mission, Sark proves to Laren that Vaughn still has feelings for Sydney.

3.15 - Facade

Original Air Date: March 14, 2004
Written by: R.P. Gaborno and Christopher Hollier
Directed by: Jack Bender
Summary: Sydney captures a bomb maker and the C.I.A. goes to great lengths to make him think they're Covenant - with Vaughn pretending to be Sark. As Sydney tries to talk him into doing what they want, he reveals that he holds a grudge against Julia Thorne - her identity during those missing two years. Vaughn is left trying to diffuse a bomb on a plane with Sark helping.

3.16 - Taken

Original Air Date: March 21, 2004
Written by: J.R. Orci
Directed by: Lawrence Trilling
Summary: Lauren's loyalty to the Covenant is tested when she has to work with her senator father. Dixon's children are kidnapped by Sark and Sydney races to save them. Sloane is framed as a C.I.A. mole.

3.17 - The Frame

Original Air Date: March 28, 2004
Written by: Crystal Nix Hines
Directed by: Max Mayer
Summary: Jack tells his suspicions about Lauren's involvment with The Covenant to her father. Vaughn makes a big decision regarding his marriage and Sydney. Sydney and Vaughn track Kazari Bomani to get a piece of the Rambaldi puzzle.

3.18 - Unveiled

Original Air Date: April 11, 2004
Written by: Monica Breen and Alison Schapker
Directed by: Jack Bender
Summary: Sydney and Jack tell Vaughn about their suspicions regarding Lauren. Bomani questions Lauren's ability to do her Covenant duties. Jack finds out a secret Sloane has been keeping. Sark and Bomani take control of a Rambald machine. The Covenant unleashes a virus that cripples medical facilities.

3.19 - Hourglass

Original Air Date: April 18, 2004
Written by: Josh Applebaum and Andre Nemec
Directed by: Ken Olin
Summary: After finding out about Lauren's work with The Covenant, Vaughn struggles to keep the facade of a happy marriage. While visiting Lauren's family home, Vaugh finds something out about her mother. Jack refuses to help Sloane be exonerated for his crimes and an execution is looming. Sydney finds out who The Passenger is.

3.20 - Blood Ties

Original Air Date: April 25, 2004
Written by: J.R. Orci
Directed by: Jack Bender
Summary: Sloane helps Sydney and Jack track down The Passenger, which requires breaking into a museum and using retinal scans for members of a group called The Trust. Vaughn finds out about a connection between his father and The Passenger. Vaughn is kidnapped and tortured by Sark.

3.21 - Legacy

Original Air Date: May 2, 2004
Written by: Jesse Alexander
Directed by: Lawrence Trilling
Summary: Sydney attempts to find Sloane and Nadia and goes to Toni Cummings for help. Vaughn's obsession with going after Lauren consumes him. Katya helps Sydney find her sister. Lauren and Sark, in their effort to uncover Rambaldi's mysteries, are hot on Sydney and Vaughn's trail.

3.22 - Resurrection

Original Air Date: May 23, 2004
Written by: Jeff Pinkner
Directed by: Ken Olin
Summary: Lauren makes a bold attempt to get C.I.A. files, putting Marshall's life in grave danger. Nadia must decide whether or not she can trust her father and his obsession with Rambaldi and his artifacts. Sydney is betrayed by someone she thought she could trust. During a showdown with Lauren, Sydney learns that her father may be hiding something from her.



Season Four

4.01 - Authorized Personnel Only, Part One

Original Air Date: January 5, 2005
Written by: J.J. Abrams and Jeff Melvoin
Directed by: Ken Olin
Summary: Sydney stages her resignation from the C.I.A. and then joins a black ops group of the C.I.A. along with Jack, Vaughn and Dixon. They are all shocked to find out that Sloane has been asked to head this group, known as Authorized Personnel Only. Sydney struggles with what she learned about her father after Lauren's revelation.

4.02 - Authorized Personnel Only, Part Two

Original Air Date: January 5, 2005
Written by: J.J. Abrams and Jeff Melvoin
Directed by: Ken Olin
Summary: Sydney reels from the information that Jack killed Irina to prevent Sydney's death. Her feelings interfere with a mission to recover a stolen sword. Sydney has to go to Nadia for help on a mission, but Nadia wants no part of being a spy anymore. Nadia reluctantly returns to life as a spy.

4.03 - The Awful Truth

Original Air Date: January 12, 2005
Written by: Jesse Alexander
Directed by: Lawrence Trilling
Summary: Sydney must seduce an arms dealer to get to a device that breaks NSA security codes. The C.I.A. sends a team in that accidentially endangers the APO mission. As Nadia becomes more integrated into APO, Jack manipulates her and Sydney struggles with telling her the truth about their mother.

4.04 - Ice

Original Air Date: January 19, 2005
Written by: Jeffrey Bell
Directed by: Jeffrey Bell
Summary: Sydney, Vaughn and Dixon go undercover in a refugee hosiptal to find a biological weapon. Disguised as a priest, Vaughn faces the demons of his past with Lauren and attempts to work through them in an effort to move on. Nadia has further questions about her mother.

4.05 - Welcome to Liberty Village

Original Air Date: January 26, 2005
Written by: Drew Goddard
Directed by: Kevin Hicks
Summary: Vaughn and Sydney go undercover in a village in Russia disguised as a suburban American neighborhood to track down a method they plan on using to destroy the United States economy. Marshall discovers something in a book that Irina used to own that may have led to a way to contacting her handlers.

4.06 - Nocturne

Original Air Date: February 9, 2005
Written by: Jeff Pinkner
Directed by: Lawrence Trilling
Summary: After being bitten by a potential suspect Sydney finds herself injected with a hallucinogen, causing her to lose touch with reality. Jack and Vaughn work together to find an antidote before it's too late.

4.07 - Detente

Original Air Date: February 16, 2005
Written by: Monica Breen and Alison Schapker
Directed by: Craig Zisk
Summary: Sydney and Nadia go on their first mission together as part of APO. Sloane's past connections to criminals comes in handy when Sydney and Nadia find themselves in a tough spot. Sydney finds it difficult tolerating and trusting Sloane.

4.08 - Echoes

Original Air Date: February 23, 2005
Written by: Josh Applebaum and Andre Nemec
Directed by: Dan Attias
Summary: Anna Espinosa abducts Nadia. Sydney recalls a Rambaldi prophecy that says she and Nadia will have to fight to the death. Sloane realizes that Anna is part of an organization of Rambaldi followers intent on making the prophecy come true. Sark claims to have information about this group.

4.09 - A Man of His Word

Original Air Date: March 2, 2005
Written by: Breen Frazier
Directed by: Marita Grabiak
Summary: Anna prepares to sell her bomb. Sydney must go undercover with Sark, posed as Lauren Reed. Sark promises to help Sydney, but soon join forces with Anna. Jack takes drastic measures with Nadia regarding Anna Espinosa and is confronted by Sloane.

4.10 - The Index

Original Air Date: March 9, 2005
Written by: J.R. Orci and Alison Schapker
Directed by: Lawrence Trilling
Summary: Sydney and Dixon learn that Sloane has contacted some of his old associates from The Alliance. Sydney uses Nadia's birthday party as an excuse to spy on Sloane, causing her to clash with her sister. Jack and Sloane work together to gain access to The Index.

4.11 - The Road Home

Original Air Date: March 16, 2005
Written by: Josh Applebaum and Andre Nemec
Directed by: Maryann Brandon
Summary: Sydney tries to get into the backroom of a club to gain access to a weapon. She does this by using the access card of a young bartender, accidentally putting his life in danger. Vaughn gets information that his father may be alive and may have been a traitor.

4.12 - The Orphan

Original Air Date: March 23, 2005
Written by: Monica Breen and Alison Schapker
Directed by: Craig Zisk
Summary: Nadia's upbringing in an Argentine orphanage is addressed. As a young girl she was involved with a petty crook named Cesar Marquez, both later recruited by Argentine intelligence. Nadia and Cesar meet again as he partakes in criminal activities. Vaughn's investigation into his father leads him to the headmistress of the orphange where Nadia was raised.

4.13 - Tuesday

Original Air Date: March 30, 2005
Written by: Breen Frazier and Drew Goddard
Directed by: Frederick E.O. Toye
Summary: On a mission in Havana Sydney is kidnapped and buried alive. An biological agent is unleashed in APO, leaving them unable to save Sydney. Marshall, being late for work, is then sent to Havana to save Sydney. Marshall and Sydney go to Germany to track down the man who buried Sydney alive.

4.14 - Nightingale

Original Air Date: April 6, 2005
Written by: Breen Frazier
Directed by: Lawrence Trilling
Summary: Sydney and Vaughn's search for information regarding Vaughn's father leads them to investigating a nuclear coil called Nightingale. Vaughn meets with a stranger who promises to give Vaughn information on his father in exchange for the coil. Jack and Sloane know of a connection between Nightingale and Elena Derevko. Jack risks his life to save Sydney.

4.15 - Pandora

Original Air Date: April 13, 2005
Written by: J.R. Orci and Jeff Pinkner
Directed by: Kevin Hooks
Summary: Vaughn goes rogue and helps a criminal group trying to steal a Rambaldi device. Vaughn and Dixon have a possibly deadly meeting. Nadia tells Sydney that she's been visiting Katya in prison. Sydney learns something about her mother than leads her to Sloane. Marshall has information for Jack regarding the radiation in his body.

4.16 - Another Mister Sloane

Original Air Date: April 20, 2005
Written by: Luke McMullen
Directed by: Greg Yaitanes
Summary: The imposter Sloane kidnaps a scientist. APO sets up a mission to capture the imposter Sloane, using Roberts to do so. Nadia questions Sloane. Sloane assures everyone that he is mentally stable enough to go to the DSR facility where all of the Rambaldi artifcats are kept.

4.17 - A Clean Conscience

Original Air Date: April 27, 2005
Written by: J. R. Orci
Directed by: Lawrence Trilling
Summary: Jack sees a doctor for help with the radiation but is told he must tell Sydney about his condition. Nadia's caregiver at the orphanage, Sophia Vargas, comes to Los Angeles and claims she was beaten by someone looking for Nadia. Vaughn and Dixon go to Amsterdam to locate an agent who may have gone rogue. Sloane searches for information abou Sophia. Sydney and Nadia find out that Elena Derevko has been watching them both.

4.18 - Mirage

Original Air Date: May 4, 2005
Written by: Steven Kane
Directed by: Brad Turner
Summary: Jack's condition deteriorates and he goes missing. The only person with information for how to cure Jack is a hallucinating Jack. Sydney must pretend to be her mother to get information about the doctor who can help Jack. Sophia steals the hydrosec and kills her cohort.

4.19 - In Dreams

Original Air Date: May 11, 2005
Written by: Jon Robin Baitz
Directed by: Jennifer Garner
Summary: Ned Bolger, the fake Sloane, is apprehended after he raids a monestary looking for an orchid connected to Rambaldi. In APO custody, they learn that Bolger was subjected to expiramentation developed by SD-6 and that he has all of Sloane's memories. Sloane is forced to re-visit the most painful memory of his past that sparked his obsession with Rambaldi.

4.20 - The Descent

Original Air Date: May 18, 2005
Written by: Jeffrey Bell
Directed by: Jeffrey Bell
Summary: Elena Derevko infiltrates the DSR facility holding the Rambaldi artifacts. Elena frames Nadia for the break in and her connection to Sophia Vargas is revealed to Nadia and Sydney. Sloane and Nadia's visit to a Rambaldi expert sheds light on Elena's intentions. Sloane betrays the C.I.A.. Dixon sees someone surprising before he is shot.

4.21 - Search and Rescue

Original Air Date: May 18, 2005
Written by: Monica Breen and Alison Schapker
Directed by: Lawrence Trilling
Summary: APO learns that Jack did not actually shoot Irina but that she was doubled using Project Helix. Irina's death was orchestrated by Elena. Sydney, Jack and Nadia travel to Guatmemala to find Irina. The Mueller Device is placed over Sovogda, Russia and the APO team must go there to stop it as it ravages the citizens of Sovogda.

4.22 - Before the Flood

Original Air Date: May 25, 2005
Written by: Josh Applebaum and Andre Nemec
Directed by: Lawrence Trilling
Summary: Jack, Sydney, Irina, Vaughn and Nadia race to stop the Mueller Device in Sovogda and find Elena. Sloane works with Elena but his loyalty is in question. Elena plans on destroying Sovogda, carrying out Rambaldi's prophecy. Irina and Elena come face to face for the first time since Irina was rescued. Irina informs Vaughn that she knows the truth about him. Sydney and Nadia face off, fulfilling Rambaldi's prophecy.



Season Five

5.01 - Prophet Five

Original Air Date: September 25, 2005
Written by: Monica Breen and Alison Schapker
Directed by: Ken Olin
Summary: Sydney and Vaughn survive the car crash but Vaughn is taken by a group posing as medical help. Sydney finds out that Vaughn is under suspicion for being a double agent. Vaughn tells Sydney about a group called Prophet Five and its connection to his father. Sloane pleads with Jack to help get him out of prison. Sydney and Vaughn's lives change drastically.

5.02 - ...1...

Original Air Date: October 6, 2005
Written by: J.R. Orci
Directed by: Frederick E.O. Toye
Summary: Sydney, Dixon and Weiss apprehend the man who took part in Vaughn's killing and try to stop him from unleashing a weapon that could have an effect worse than Hiroshima. They find something shocking in a cryogenic chamber but before they can find out what it is, it's stolen.

5.03 - The Shed

Original Air Date: October 13, 2005
Written by: Breen Frazier
Directed by: Tucker Gates
Summary: Marshall tracks a hacker that could be linked to Vaughn's death. In Prague Sydney and new APO addition Thomas Grace encounter Rachel Gibson who works for The Shed, a group strikingly similar to SD-6.

5.04 - Mockingbird

Original Air Date: October 20, 2005
Written by: Drew Goddard
Directed by: Frederick E.O. Toye
Summary: Sydney, Dixon and Tom search for an electronic dossier in a casino. On the way back, Sydney is trapped in her car. Sloane's trial begins with surprising results. Gordon Dean and Kelly Peyton try to get Rachel Gibson back in their hands.

5.05 - Out of the Box

Original Air Date: October 27, 2005
Written by: Jesse Alexander
Directed by: Jay Torres
Summary: Sloane asks Jack to help get him back working at APO. APO discovers who stole the cryogenic chamber. Sydney and Tom visit Renee Rienne in France and learn new information about Prophet Five and her past. Sloane uses underhanded methods to get his job back as his loyalties are divided.

5.06 - Solo

Original Air Date: November 10, 2005
Written by: Jeffrey Bell
Directed by: Jeffrey Bell
Summary: Rachel's family is placed in Witness Protection to keep them away from Gordon Dean. Gordon Dean slips information to APO via Sloane about technology that can stop a missile in mid-air. In order to get the missile software, APO must send a female agent to an oil rig - Rachel. Rachel faces Kelly Peyton and learsn her former friends true intentions.

5.07 - Fait Accompli

Original Air Date: November 17, 2005
Written by: Andi Bushell
Directed by: Richard Coad
Summary: Sloane considers betraying Gordon Dean when he gets bad news about Nadia's condition. APO gets the upper hand on Dean at a mission at a race track. Sloane is given orders regarding Dean from a mysterious force. Kelly Peyton is given a promotion.

5.08 - Bob

Original Air Date: December 7, 2005
Written by: Monica Breen and Alison Schapker
Directed by: Donald Thorin, Jr.
Summary: After completing her first successful solo mission out of the country, Rachel Gibson has a one night stand before heading home with someone with a connection to APO. Jack meets with an old MI-6 contact and the two find themselves in danger in Tunisia. Sark offers his help in getting Jack out safely.

5.09 - The Horizon

Original Air Date: December 14, 2005
Written by: Josh Applebaum and Andre Nemec
Directed by: Tucker Gates
Summary: While in Madrid visiting with Renee, Sydney is abducted. Memories of her life with Vaughn are triggered as a mysterious interregator attempts to get information regarding something called The Horizons. Jack and Renee work together to find Sydney and find hr abductors are planning for the arrival of Sydney's baby.

5.10 - S.O.S.

Original Air Date: April 19, 2006
Written by: J.R. Orci
Directed by: Karen Gaviola
Summary: Sydney tries to escape from the freighter where she's being held captive but experiences labor pains. APO attempts to break into a secure facility at Langley in order to find Sydney. An old friend aids them in their search. Jack discovers the identity of the Prophet Five mole in the C.I.A..

5.11 - Maternal Instinct

Original Air Date: April 19, 2006
Written by: Breen Frazier
Directed by: Tucker Gates
Summary: APO is temporarily shut down by Devlin. Sydney gets a surprise visit from her mother as she nears the end of her pregnancy. Dixon and Renee get more information about The Horizon and its location. Jack, Sydney and Irina go on a mission to Vancouver where they get more than they bragained for.

5.12 - There's Only One Sydney Bristow

Original Air Date: April 26, 2006
Written by: Drew Goddard
Directed by: Robert M. Williams, Jr.
Summary: Anna Espinosa is taken out of prison by someone with questionable intentions. Sydney's maternity leave is cut short when Anna Espinosa targets Will Tippin. Will and Sydney work together to figure out what Anna is up to. Anna makes a permanent change to her life.

5.13 - 30 Seconds

Original Air Date: May 3, 2006
Written by: Monica Breen and Alison Schapker
Directed by: Frederick E.O. Toye
Summary: Prophet Five gives Sloane the means with which to wake Nadia from her coma. Nadia's reunion with her family quickly turns tragic. Sydney offers a reluctant Renee a permanent place at APO, suggesting a pardon for her crimes. Sloane's obsession with Rambaldi re-surfaces. Anna Espinosa continues to cause problems.

5.14 - I See Dead People

Original Air Date: May 10, 2006
Written by: Andi Bushell and J.R. Orci
Directed by: Jamie Babbit
Summary: During autopsy a ship bearing Vaughn's real name is found inside Renee Rienne's body. Anna, looking like Sydney, goes to Nepal to meet with Vaughn and find the other piece of the chip. Sydney manages to track Vaughn and Anna to Germany where Vaughn has realized that the woman he is with isn't really Sydney. Sydney goes undercover as Anna.

5.15 - No Hard Feelings

Original Air Date: May 17, 2006
Written by: Sam Humphrey
Directed by: Tucker Gates
Summary: Sydney, as Anna, meets with Sloane to discuss the last Rambaldi artifact and she tells Sloane that she killed Sydney. Sloane tells Peyton his intentions for Anna Espinosa once her mission is completed. Sydney works with Sark in Rome to infiltrate a prison to get them to the last Rambaldi artifact. Sloane and Sydney meet in the Rome prison.

5.16 - Reprisal

Original Air Date: May 22, 2006
Written by: Monica Breen and Alison Schapker
Directed by: Frederick E.O. Toye
Summary: APO collects information regarding Prophet Five, putting together the final pieces of the puzzle. Sloane, Peyton and Sark seek to solidify their position with Prophet Five. Tom and Rachel grow closer, but she and Marshall are kidnapped and tortured by Sloane. Carrie aids in the rescue of her husband. Sloane, with Sark and Peyton's help, seeks to distract APO by causing a major disaster in Los Angeles. Sloane traps Sydney on Mount Subasio.

5.17 - All the Time in the World

Original Air Date: May 22, 2006
Written by: Drew Goddard and jeff Pinkner
Directed by: Tucker Gates
Summary: Sloane, Sark and Peyton make a deal with an unknown source in Hong Kong for control of The Horizon. Tom makes a sacrifice to help the team. Dixon interrogates Peyton. Sydney, Jack and Vaughn travel to Mongolia where they have a final confrontation with Sloane as he reaches his endgame. Sydney meets with Irina for one final confrontation regarding her obsession with Rambaldi and her role in Sydney's life.