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.
Yeah, like আপনি don’t know already: a very old man who gets younger flies around in a blue box. He’s incredibly important, bad guys hate him, he has a magic screwdriver, yada yada yada. Whatevs.
