Clara is alone in Victorian London with a man she doesn’t know, a dinosaur in the Thames, and a spate of deadly spontaneous combustions. The Doctor has changed. It’s time you knew him.
The Doctor's greatest secret is discovered.
Scientists discover something isn't right beneath Earth's crust while drilling.
Bodies with waxy, glowing, red skin are found in Victorian Yorkshire.
The Doctor assembles an alien army to fight the Battle of Demons Run.