Series 1 Episode 1

Sydney Bristow is a student by day, international spy by night. And she's ecstatic about her recent engagement. But her world is turned on its head when she learns some truths about who she works for.

Truth Be Told: Sydney is a student by day, international spy by night. But who does she really work for?

48 mins

Series 1 Episode 1

So It Begins: In her new role as a double agent, Sydney is intent upon destroying SD-6

44 mins

Series 1 Episode 2

Parity: While in Madrid to steal a mysterious artefact, Sydney runs into a deadly nemesis

40 mins

Series 1 Episode 3

A Broken Heart: Sydney and Dixon investigate a plot to eliminate the United Commerce Organisation

42 mins

Series 1 Episode 4

Doppelgänger: Sydney learns from Vaughn that her father may also be working for the FBI

43 mins

Series 1 Episode 5

Reckoning: Tensions deepen as Sydney suspects that her father's actions led to her mother's death

43 mins

Series 1 Episode 6

Color Blind: Sydney learns about Shepard's involvement in her past. Sloane believes SD-6 has a mole.

42 mins

Series 1 Episode 7

Time Will Tell: Sydney travels to Oxford to steal an ancient clock connected to the Rambaldi mystery

43 mins

Series 1 Episode 8

Mea Culpa: When Dixon is injured during a mission, Sydney risks her life trying to save him

43 mins

Series 1 Episode 9

Spirit: Sloane orders for Sydney to be tortured and killed. Will Jack come to his daughter's aid?

42 mins

Series 1 Episode 10

The Confession: Vaughn reveals to Sydney that her father may be responsible for over 12 CIA agents' deaths

43 mins

Series 1 Episode 11

The Box (Part 1): A group of heavily armed intruders sneak into SD-6 and take control of the building

43 mins

Series 1 Episode 12

The Box (Part 2): Opening the SD-6 vault will trigger a fatal explosion. Can Sydney disarm the trap in time?

43 mins

Series 1 Episode 13

The Coup: Sydney and Dixon head to Las Vegas to track down the group that nearly destroyed SD-6

43 mins

Series 1 Episode 14

Page 47: A Rambaldi manuscript is stowed on a yacht in Tunisia. Can Sydney reach it before Sark?

43 mins

Series 1 Episode 15

The Prophecy: The Department of Special Research try to determine Sydney's connection to the manuscript

43 mins

Series 1 Episode 16

Q&A: When the FBI questions Sydney, Jack and Vaughn scramble to maintain her cover

43 mins

Series 1 Episode 17

Masquerade: Sydney is reunited with Noah Hicks, an SD-6 agent she dated five years ago

43 mins

Series 1 Episode 18

Snowman: K-Directorate hires as assassin known as the Snowman to take out Khasinau

43 mins

Series 1 Episode 19

The Solution: Sydney's cover could be exposed when an SD-6 agent tries to stop a CIA operation

42 mins

Series 1 Episode 20

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