Doctor Who: Cold Blood - Next Time Trailer

Saturday 29th May, 7.00pm on BBC One.
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...