The networks have been pretty good to us this holiday season, providing quite a few spoilerish and teaser previews for shows that are currently in repeats (or off-air entirely). Lost has given us two videos this week alone that have been sneak peaks at scenes from the premiere episode for season 5, airing on January 21 at 9 PM EST. But a new promo video offers some of the most mysterious and tantilizing imagery yet, from season 5 of the hit ABC series. Take a look at the video below and judge for yourself. And then check out the gallery images for screen shots from the video.