Two worlds collide when the Doctor meets Bill, and a chance encounter with a girl with a star in her eye leads to a terrifying chase across time and space. Bill's mind is opened to a universe that is bigger and more exciting than she could possibly have imagined. But who is the Doctor, and what is his secret mission on Earth?
|The Doctor||Peter Capaldi|
|Voice of the Daleks||Nicholas Briggs|
|Executive Producer||Steven Moffat|
|Executive Producer||Brian Minchin|