Series: 9
Original Air date: October 3, 2015
Number Doctor: 12th
Companion(s): Clara Oswald
Writer(s): Toby Whithouse
Director(s): Daniel O’Hara
Guest Stars:
Colin McFarlane as Moran
Sophie Stone as Cass
Zaqi Ismail as Lunn
Morven Christie as O’Donnell
Arsher Ali as Bennett
Steven Robertson as Pritchard
Paul Kaye as Prentis
Synopsis: Under a lake a gleaming black spaceship is recovered but there is nothing inside. When the base crew start dying, they discover that ghosts are real. The Doctor and Clara arrive to find the base under siege and the Doctor discovers that this is more than a ghost story.