Location: London, Earth
Date: December 2009
Enemies: The Master, The Time Lords, Joshua Naismith
Facing his mortality, the Doctor returns to Earth find the planet's population haunted by horrific nightmares all their own. Reuniting with Wilf, The Doctor investigates a lingering mystery that threatens to unravel the planet as an old enemy prepares to be reborn.
Aired: 25 Dec 2009