It is the most important day in the history of Earth: the dawn of a new age of harmony or the start of its final war.
In the latest episode of the time-travelling drama, written by Chris Chibnall, The Doctor must face his most difficult challenge yet. It is a battle in which he cannot take sides and a day when nobody must die…
The BBC have issued the official synopsis for Cold Blood, episode nine of the new series. Read it below and visit the episode section HERE.
It’s due to air 7pm, May 29 on BBC One