Director: Jamie Payne
Studio: BBC Cymru Wales
Audience Rating: 8.085
Genres: Drama, Science Fiction, TV Movie
Overview: Orbiting a quiet backwater planet, the massed forces of the universe's deadliest species gather, drawn to a mysterious message that echoes out to the stars. And amongst them, the Doctor. Rescuing Clara from a family Christmas dinner, the Time Lord and his best friend must learn what this enigmatic signal means for his own fate and that of the universe.