The fourth season of Lost is under way, and we just know our readers can't wait until this Thursday to get their fix. We have two new videos that will give you a sneak peek into this week's episode, The Economist, which will air on Thursday, February 14 at 8 PM ET. Click below to check out the videos, but be warned. The videos do contain spoilers.

Locke's hostage may be the key to getting off the island, so Sayid and Kate go in search of their fellow castaway in an attempt to negotiate a peaceful deal