TX Date: Saturday 27 May 2017
TX Time: 19:45
Network: BBC One / BBC One HD
An 'ancient' pyramid appears overnight. Every clock in the world begins counting down to the Earth's destruction. Three opposing armies lie ready to annihilate each other. An alien race stands ready to offer humanity a deal that could save them, but also enslave them. A terrifying race against time to save the world ensues.
A 5,000 year-old Pyramid stands at the centre of a war zone, where the Chinese, Russian and American armies are about to clash. There are many problems with that, but the one that intrigues the Doctor is this: there wasn’t a pyramid there yesterday.
The Doctor, Bill and Nardole face an alien invasion unlike any other, and before conquest can begin, these aliens need the consent of the human race…