The official Doctor Who Twitter feed have revealed all the titles for the upcoming series:

1. The Magician's Apprentice
2. The Witch's Familiar
3. Under the Lake
4. Before the Flood
5. The Girl Who Died
6. The Woman Who Lived
7. The Zygon Invasion
8. The Zygon Inversion
9. Sleep No More
10. Face the Raven
11. Heaven Sent
12. Hell Bent