If Damon Lindelof and Carlton Cuse are feeling generous, this Sunday's Lost series finale will finally answer the one question viewers have been asking for the past six seasons: What the hell is this damn show about, anyway? Or, more likely, they'll tell us nothing. Either way, now seems like an appropriate time to look back on all the awesome unofficial explanations concocted by impatient fans these past few years. Each week we round up the best of the Internet's realistic-seeming theories, but today, we appreciate the craziest, unlikeliest, and most thoroughly debunked hypotheses viewers have floated since the show's 2004 premiere. Herewith our list of the eight greatest probably wrong Lost theories ever, complete with our guesses on how the show would have ended if they'd actually been right.