'The Bells of St John'! 'The Rings of Akhaten'! 'The Cold War'! 'The Phantoms of Hex'! 'Journey to the Centre of the TARDIS'! 'The Crimson Horror'! 'The Last Cyberman'! Season Finale! Aaaaaarrrrrrrrrghhhhhh!!!!!!!
The Neil Gaiman penned episode is now Nightmare in Silver. It was previously known as The Last Cyberman. All the other episode titles are already known, except the finale, which is still being kept a secret.