SEASON 1 | SEASON 2 | SEASON 3 | SEASON 4 | SEASON 5


Episode 1/1 – "Truth Be Told"
Grad student Sydney Bristow discovers that her unique after-school job as an agent for SD-6, a top-secret division of the CIA, holds some deadly secrets that threaten the security of the free world.

Episode 1/2 – "So It Begins"
In her new role as a double agent for the CIA, Sydney is intent upon destroying SD-6 within weeks. But Vaughn humbles her, explaining that SD-6 encompasses over 200 groups and contacts, not just the LA bureau where she works.


Episode 1/3 – "Parity"
Sydney is holding the nuclear weapon's plutonium core in her hand, when Hassan catches her — and puts a gun to her head. Using the core as a distraction, she knocks Hassan out, and dodges soldiers' bullets as she escapes.

Episode 1/4 – "A Broken Heart"
In the final moments of a cooperative mission, Sydney and her Russian nemesis Anna memorize a 500-year-old binary code written by Milo Rambaldi before it is destroyed. Sydney isn't sure if she should give the correct sequence to SD-6 but Vaughn makes it clear that her role as a double-agent is in constant jeopardy.

Episode 1/5 – "Doppleganger"
In Sao Paulo, Sydney evades Sawari's bodyguard after watching a paramedic team implant a bomb into the pacemaker of UCO speaker Patel. When Sydney awakens in a run-off canal, she contacts Dixon, who grabs a dazed Patel at the UCO conference, and steals an ambulance. As Dixon proceeds to surgically extract the bomb, they are being pursued by Jacqnoud, who controls the detonator to the device. While Sydney drives, Dixon removes the bomb — just as Jacqnoud activates it and launches it beneath his car — abruptly ending the chase.

Episode 1/6 – "Reckoning"
Following the tragedy in Badenweiler, Sydney remains shattered after watching four CIA agents die in a plant explosion triggered by Dixon as part of their SD-6 mission. She continues to struggle with a truth about SD-6 she cannot share with her fellow agent, while Vaughn convinces her that Dixon's life and family would be at peril if she ever crossed that line.

Episode 1/7 - "Color Blind"
Sydney is trapped within the walls of Mangalev institute in Bucharest, Romania. Moments after finding SD-6 Agent Fisher with his throat slashed she is immobilized by a tranquilizer, and awakens in an electroshock tub. K-Directorate agent Dr. Kreshnik interrogates her, demanding to know if she received information from inpatient Martin Shepard, the FTL-trained assassin. Sydney assures she can extract the coordinates of Parkashoff's body from Shepard, as they have now established a basis for trust — but only if Kreshnik allows her to live. K-Directorate grants her a stay of execution until nightfall.

Episode 1/8 - "Time Will Tell"
Sydney travels to Oxford to steal an ancient clock connected to the Rambaldi mystery. She successfully completes the mission, though Anna Espinosa is hot on her trail.


Episode 1/9 - "Mea Culpa"
Sydney crawls out of the underground tunnel and finds Dixon seriously wounded. She uses a satellite phone to call the CIA. A CIA helicopter flies Dixon to a nearby hospital, though Sydney conceals the truth from Sloane. Sydney is scared, as she thinks that Dixon may have heard her talking to the CIA.

Episode 1/10 – "Spirit"
Sydney is brought to a torture room but the interrogation is halted and Russek becomes the target of SD-6 suspicions. He is tortured, and finally executed.

Episode 1/11 – "The Confession"
While Jack aims the gun at Sydney, under orders from Ineni Hassan, he blinks a message to her in Morse code. With precision timing, Sydney and Jack take down Hassan's thugs and capture the arms dealer. They whisk Hassan away, and Jack photographs a "deceased" Hassan. Sloane is duped into thinking that Hassan is dead. In reality, the one-time ally of SD-6 is in CIA custody.

Episode 1/12 – "The Box (Part 1)"
The news her mother was KGB is too much and she tells Vaughn that she is going to resign from SD-6. At the same time, a group of heavily-armed intruders sneak into SD-6 and take control of the building.

Episode 1/13 – "The Box (Part 2)"
Sydney is hiding in the air ducts as McKenas Cole blasts away at the ceiling when suddenly Jack appears and surrenders, allowing Sydney to remain hidden.


Episode 1/14 – "The Coup"

After the assault on SD-6 by an unnamed organization, Sydney discovers that rivals FTL were attacked and wiped out, and their leader executed on exactly the same date.

Episode 1/15 – "Page 47"
With bullets whizzing by, Sydney swings into a nearby building. She returns to SD-6 with a video of the meeting between the mysterious Mr. Sark and K-Directorate and gives the same to Vaughn. Meanwhile, Will's investigation has attracted attention from SD-6. Sloane tells Jack that this reporter should be "silenced" while Jack insists otherwise.

Episode 1/16 – "The Prophecy"
The Department of Special Research is inquiring into Sydney's connection to the Rambaldi notebook. As the paranormal research division of the National Security Agency, they are searching for an explanation for the image. According to Vaughn, the partially decoded text around the drawing is being referred to as "The Prophecy."

Episode 1/17 – "Q&A"
Sydney wears a short-haired wig, and is driving a big American car, fleeing from a squad of police cars. The high-speed pursuit ends on a pier, with Syd surrounded by cops. With nowhere else to turn, she slams her foot to the accelerator and plunges her car into the water.

Episode 1/18 – "Masquerade"
Sydney has traveled to Mt. Subasio and scales the mountain, thereby proving that she is not the subject of the Rambaldi prophecy.

Episode 1/19 – "Snowman"
Sydney and Noah's sleep is interrupted when Khasinau's soldiers storm the house. They get away on a motorcycle seconds before the cabin is riddled with bullets.

Episode 1/20 – "The Solution"
Sydney is despondent after killing Noah Hicks so Vaughn bolsters her spirits by showing her all the groups that she has helped destroy.

Episode 1/21 – "Rendezvous"
As SD-6 agents break up the diamonds-for-ampule exchange in Denpassar, a veiled Sydney tries to escape and injures her shoulder while fighting Dixon — he has no idea that he's battling his own partner.

Episode 1/22 – "Almost 30 Years"
Mr. Sark asks a badly beaten Will about "the circumference." A sinister Taiwanese interrogator, "Suit And Glasses," who tortured Sydney months before enters with an array of frightening instruments. Sydney receives a call from Sark, and sets up the exchange of her friend for the Rambaldi page and the ampule of solution in Taipei, in 24 hours.