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More than six months later, many of us Lost-ies still haven't let go of the ABC drama. But we can all take a note or two from the show's spiritual two-and-a-half-hour series finale, in which Jack learns from his dad, Christian, that he and all of his island-mates are, in fact, dead in the sideways world. In denial at first, Jack eventually accepts this truth, as a white light bathes the group and we see Jack's final living moments end in the blink of an eye. Don't even get us started on Vincent.