Will V's alien invasion succeed? Will Peter and Walter Bishop be reunited on Fringe? Will Chuck and Sarah manage to hold their new relationship together?
Will this season's sci-fi finales answer all our questions—or leave us with nail-biting cliffhangers? We want—no, need—to know!
Yes, we're looking forward to May 23's Lost—which isn't just a season finale but a series finale—and we know you are, too. But what other season finale has you the most excited?