Jack's decision to sabotage Sydney's last mission while pinning it on Irina not only brings him closer to his daughter - it sends his ex-wife to death row. But his foolproof plan begins to unravel when Vaughn begins to put the pieces together - and Sydney makes a startling discovery about her childhood. Written by
Did You Know?
The block puzzle Sydney discovers would later be featured on J.J. Abrams' other show Fringe. See more
Agent Sydney Bristow goes to Buenos Aires, Argentina, seeking a former KGB psychologist. The footage shows a villa surrounded by low hills, which Buenos Aires doesn't have. The whole city of Buenos Aires is a plain terrain. See more
When I was in sixth grade, I was sort of anonymous. You know, you had the smart kid, and the funny kid, and the good athlete. And I was just Will.
Written by J.J. Abrams
Performed by Michael Giacchino See more