This week's episode may be our most dense to date. John Locke finally exorcises the demon of his father, with the aid of a fellow Island companion whose past is tied into Anthony Cooper as well.

We also get something fans have wanted since Michael Emerson's debut on the series - the first ever Ben Linus flashback, where we learn his true origin, the mysterious Richard Alpert, and "the hostile incursion." In one of the best scenes in the shows history, we "meet" Two amazing LOST episodes bring us one of the most important episodes of this podcast yet.