From Locke seeing the smoke monster for the first time to Juliet detonating Jughead, relive the miraculous moments from past seasons.
Are you a Man of Science or a Man of Faith? Take our quiz to see which character connects with your spirituality.
As the final season begins on February 2, 2010, talk about what answers you hope to get and which characters you hope will survive the journey.
There is plenty of religious imagery on "Lost," which makes the absence of Jewish characters noticeable.
From opening eyes to Dharma logos to the number 108, are the writers of the popular show trying to evoke the Buddhist world?
Blogging on 'Lost'
More 'Lost' Quizzes: Test Your Knowledge of Past Seasons
Even more spiritual and religious themes appeared in the latest season. Take the quiz to see how close you paid attention.
What spiritual themes did you notice during season two? Take the quiz to see how well you spotted the religious references.