A central theme is the conflict between science (as exemplified by Jack) and spirituality (as exemplified by Locke). In the first few seasons science pretty much wins out. Then towards the end the writers give up on reason and the show just becomes spiritual gobbledygook.   See 3 other replies

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Well, I think you are in for one heck of a great ride! No matter what, stick with the series.....I watched my first episode a little over a year ago and am still trying to figure out all the parts of this series....I think it's really complex and deep, and you have to pay close attention to get all the connections....not to mention the fact that the characters and their stories are great!
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Anyway to answer your question, I think there is something for everyone in this series.....without giving anything away, I think there are undertones for both pure science and a spiritual (not really classic religion) points of view in the series.....the eye really is in the beholder when watching the series.....hope you come back and post your thoughts as you go through the series!....have fun and enjoy it!   See 3 other replies