Thanks to a note from Lyly and to my source at ABC. We now have the names of the first 6 Episodes of Season 5
Speculate away in the comments to what you think each episode resolves around and could mean. Episode 5.06 look like being related to Locke's suicide.
Season 5
Episode 5.01 - Because You Left
Episode 5.02 - The Lie
Episode 5.03 - Jughead
Episode 5.04 - The Little Prince
Episode 5.05 - This Place is Death
Episode 5.06 - The Life and Death of Jeremy Bentham
Source: DarkUFO