Oh my goodness. More “what-if” games (amusingly, what the showrunners are calling “flash sideways); suppose the bomb explosion did do what Daniel’s theory suggested it would, reversing everything and allowing Oceanic 815 to land undamaged in Los Angeles from the beginning.
A-n-d . . . Cuse and Lindelof explain their idea.
Alas, poor Juliet. As much as Sawyer misses her, I miss her nearly as much. And I thought for a few minutes that the writers were pulling a Hitchcock, killing off multiple main characters midway through the first reel (see Janet Leigh in Psycho), but then Sayid somehow, someway comes back to life (as Sayid? As a reincarnation of Jacob? As one of Jacob’s disciples? Stay tuned, I guess).
Ryan’s initial take here.
Alan Sepinwall’s take here.
Entertainment Weekly’s take here.