Taken from USA Today, this caught my eye.....As writer Edward Kitsis lays out the episode, broken down into five acts on a dry-erase board, Lindelof and Cuse do much of the talking. Lindelof free-associates more, as Cuse crystallizes points of the discussion. The episode is part of a season the producers say will offer more romance and adventure, examine the dynamic of Us vs. Them and — in one of their many cryptic references — play with our conceptions of time....
Source: USA Today - Full Article