On what the finale was all about: Carlton explained: "Very early on we had decided that even though Lost is a show about people on the island, really, metaphorically, it was about people who were lost and searching for meaning and purpose in their lives. And because of that, we felt the ending really had to be spiritual, and one that talks about destiny. We would have long discourses about the nature of the show, for many years, and we decided it needed to mean something to us and our belief system and the characters and how all of us are here to lift each other up in our lives." (Hence, the whole brilliang "Constant" concept. Swoon x infinity, Desmond and Penny.)
Damon added: "For us, one of the ongoing conversations with the audience and there was a very early perception, was that the island was purgatory and we were always out there saying 'It's not purgatory, this is real, we're not going to Sixth Sense you.' And we felt it too that the show had to become sort of meta in this way. And so the writers said, 'Obviously, there are all these mysteries. But what if we answered a mystery that was never asked, what's the meaning of life and what happens when you die?'"
Damon added that the idea for the "Flash Sideways" world came about between the planning of seasons four and five because "We were out of flashbacks and we were done with flash forwards. So we started to think about, what if we sort of Trojan horsed in a paradoxical sideways storyline?"
This creativity came into play after ABC sold the series oversees internationally for longer than the storyline was originally plotted out by Damon and Carlton and their brilliant team of writers, so...Things got more...creaitve.
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