Okay so these are supposedly the titles to 614-616...not sure if they are real or not...They came from SpoilerTV...
Episode 6.14 - Cross
Heath and Tara are still out on their supply run. Instead of finding goods for Alexandria, they find trouble.
Episode 6.15 - The Calm Before
Rick's group confront a horrible situation they may not be able to overcome
Episode 6.16 - Something to Fear
In the aftermath of a tragic blow, Eugene falls captured by Dwight, a member of the Saviors, whom are hell bent on getting even with Alexandria, Negan teaches Rick and co a brutal lesson, which shows that Rick and co finally have something to fear.
Source:
SpoilerTV