Thanks to Imzadi for the following.
GoT is broadcast via Sky (PayTV) the next day after it premiered on HBO.
The schedule of Sky already list the German episode titles for the entire season. They do not list the original titles though. The titles translate as following:
6.08 - Niemand (No One)
6.09 - Die Schlacht der Bastarde (Battle of Bastards)
6.10 - Die Winde des Winters (The Winds of Winter)
Source: SKY Germany
