You may check hereafter an episode guide of Lost Season 5:
Lost S5xE01 Because You Left
Lost S5xE02 The Lie
Lost S5xE03 Jughead
Lost S5xE04 The Little Prince
Lost S5xE05 This Place Is Death
Lost S5xE06 The Life And Death Of Jeremy Bentham
For now only the titles of the first 6 episodes have been unveiled. Shall try to update this Lost season 5 episode guide when the other titles become available.