10 Best Episodes of Alias

Sydney Bristow, an agent who has been tricked to believe she is working for the U.S. government, is actually working for a criminal organization named the Alliance of Twelve. Upon learning this, Sydney becomes a double agent for the real CIA.

Written by Sophie and last updated on feb 02, 2023.

PS: The following content contains spoilers!

PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!

Alias - S2E8

#15 - Passage (1) (Season 2 - Episode 8)

Sydney, Jack and Irina must put aside their differences and go undercover as a loving family in order to seize six nuclear warheads from an unfriendly nation. Meanwhile, Sloane announces to a suspicious staff that Mr. Sark will be working with SD-6, and later he is contacted by an unknown group claiming that Emily is still alive.

The episode was rated 7.88 from 203 votes.

Alias - S5E14

#14 - I See Dead People (Season 5 - Episode 14)


Marshall reports to Jack that a microchip, found in Renée Rienne's body, is etched with the name 'Andre Micheaux'. Peyton tells Sloane that Sydney is being sent to Nepal to meet with someone regarding the chip. Sloane sends Anna, now Sydney's doppelgänger, to intercept. When Marshall discovers that the APO office is bugged, Jack frantically tries to reach Sydney to warn her before it is too late.

The episode was rated 7.89 from 140 votes.

Alias - S3E12

#13 - Crossings (Season 3 - Episode 12)

Jack contacts a mysterious woman with ties to Irina to help him free Sydney and Vaughn, who have been captured and face a North Korean firing squad. But Jack is faced with a curious conundrum when the woman tells him that she will not put the rescue plan in motion until he fulfills a favor - assassinate Sloane.

The episode was rated 7.89 from 179 votes.

Alias - S3E1

#12 - The Two (Season 3 - Episode 1)


Sydney tries to piece together the last two years of her life and discovers the fates of her friends and family. She confronts Vaughn about his marriage and learns the shocking fates of Jack and Sloane. Meanwhile, she is granted temporary CIA clearance on a case that may help her regain her memory.

The episode was rated 7.91 from 204 votes.

Alias - S3E11

#11 - Full Disclosure (Season 3 - Episode 11)

Sydney finally learns the shocking truth about her missing two years from an unlikely source.

The episode was rated 7.92 from 190 votes.

Alias - S1E12

#10 - The Box (1) (Season 1 - Episode 12)


When armed intruders take over SD-6, led by McKenas Cole, a man bent on exacting revenge on ex-boss Sloane, Sydney and Jack must work together to save their colleagues. Meanwhile, Will fears that his investigation of SD-6 and its link to the murder of Eloise Kurtz is placing his life in jeopardy.

The episode was rated 7.92 from 235 votes.

Alias - S1E13

#9 - The Box (2) (Season 1 - Episode 13)

Vaughn disobeys orders and attempts to help Sydney and Jack avert the destruction of SD-6 headquarters and all its occupants. Meanwhile, McKenas Cole continues his vendetta against Sloane and searches for a mysterious device. A desperate but determined woman convince Will to continue his investigation of SD-6 and the imprisonment of David McNeil.

The episode was rated 7.92 from 239 votes.

Alias - S3E10

#8 - Remnants (Season 3 - Episode 10)


The identity of the mysterious "St. Aidan" forces Sydney to pull a stunned Will out of witness protection. But the pursuit sends the two old friends on a collision course with Allison -- the woman who ruined both their lives. Meanwhile, a zealous Lindsey arrests Jack and Vaughn as conspirators in Sydney's escape from NSC custody, Sloane, still under pressure from Lindsey, puts a plan in motion to eliminate Sydney, and Dr. Brezzel has an unpleasant run-in with Sark.

The episode was rated 7.96 from 191 votes.

Alias - S3E22

#7 - Resurrection (Season 3 - Episode 22)

Lauren stages a stunning betrayal to steal classified materials from the CIA. Meanwhile, Vaughn comes face to face with his darkest demons in pursuit of his wife; Nadia must decide whether or not she can trust her father, Sloane, in the pursuit of Rambaldi's most priceless artifact; and Sydney receives a shattering revelation that will make her question everything - and everyone - she thought she could trust.

The episode was rated 7.99 from 175 votes.

Alias - S4E22

#6 - Before the Flood (Season 4 - Episode 22)


Jack, Sydney, Irina, Vaughn and Nadia parachute into Sovogda. They're supposed to dismantle a giant red ball turning people into zombies. At APO, Marshall and Weiss use the Blackwell Index to blackmail the Russian minister into giving them the access codes to a Russian satellite, they discover that Elena is uplinking the satellite. A CIA agent, Brodien reminds them that the Rambaldi device is broadcasting a subaudible frequency that physiologically alters people who drink it and it is irreversible. Elena learns of the APO team's arrival.

The episode was rated 8.04 from 145 votes.

Alias - S1E22

#5 - Almost Thirty Years (Season 1 - Episode 22)

In order to save Will's life, Sydney and Vaughn must destroy a familiar looking Rambaldi device, while Jack makes a risky deal with Khasinau's representative, Mr. Sark. Meanwhile, the CIA believes that one of their own is a mole for "The Man"; the Alliance comes to a decision regarding the fate of Emily Sloane; Dixon's suspicions about Sydney intensify; and Sydney finds herself face-to-face with "The Man."

The episode was rated 8.08 from 221 votes.

Alias - S5E16

#4 - Reprisal (Season 5 - Episode 16)


In the first part of [the] Alias two-hour finale event, 'Reprisal,' 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.

The episode was rated 8.09 from 138 votes.

Alias - S2E13

#3 - Phase One (Season 2 - Episode 13)

Sydney and Jack are confronted by the new director of SD-6 who replaces Sloane, whose whereabouts and intentions are unknown. Meanwhile, romantic sparks begin to fly between Francie and Will.

The episode was rated 8.17 from 229 votes.

Alias - S2E22

#2 - The Telling (Season 2 - Episode 22)


Sydney finally confronts her mother, who reveals her true motivation. Sloane, for his part, begins to execute his new grand plan and Will struggles to figure out who's behind his set-up.

The episode was rated 8.18 from 193 votes.

Alias - S5E17

#1 - All the Time in the World (Season 5 - Episode 17)

Peyton tells Sloane that she has made a deal for the Rambaldi Sphere with an ally in China. Sloane arranges for stolen missiles to be sent to Hong Kong. Sloane's plan is revealed to the APO members, who race to stop him before he can use the Rambaldi Sphere to put the plan in motion. But this all leads to a long awaited confrontation between Sydney and Irina.

The episode was rated 8.33 from 153 votes.

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