Alias premiered on the American broadcast network ABC, introducing audiences to the spy drama starring Jennifer Garner as Sydney Bristow.
The first season of Alias concluded after 22 episodes, establishing the show's fan base and critical acclaim.
The second season of Alias began airing on ABC, continuing the spy thriller storyline.
The second season of Alias ended, further developing its plot and characters.
The third season of Alias premiered on ABC as the show’s popularity continued.
The third season concluded after 22 episodes.
Season four of Alias began airing, continuing the espionage storylines and character arcs.
The fourth season of Alias concluded on ABC.
The final season of Alias premiered with a reduced episode count, aiming to wrap up the series’ storylines.
Alias ended its run on ABC with the series finale, concluding the story of Sydney Bristow.
Sydney Bristow is recruited by SD-6, believing it to be a black ops division of the CIA.
Sydney learns SD-6 is actually a criminal organization masquerading as a CIA black ops unit.
After discovering the truth, Sydney agrees to work as a double agent within SD-6 to help take it down.
With Sydney's help, the CIA destroys SD-6, ending its global criminal operations.
Sydney officially becomes an agent of the CIA and works on missions for them directly.
Sydney uncovers ancient artifacts and secrets connected to the mysterious Rambaldi, sparking a long-term investigation.
Sydney learns that her father, Jack Bristow, is alive and also a CIA agent, deepening the family espionage history.
Sydney develops a complex relationship with Russian agent Nikolai, involving trust and betrayal.
Sydney and the CIA dismantle The Prophet organization, linked to Rambaldi fanatics and terrorist threats.
Sydney marries CIA agent Michael Vaughn, solidifying personal connections within spy life.
Sydney discovers she has a daughter, further complicating her life as an agent.
