WARNING: The synopsis contains mild spoilers some may want to avoid.
When the Doctor arrives in Victorian London, he finds a dinosaur rampant in the Thames and a spate of deadly spontaneous combustions.
Who is the new Doctor and will Clara’s friendship survive as they embark on a terrifying mission into the heart of an alien conspiracy? The Doctor has changed. It’s time you knew him.Deep Breath airs on Saturday 23rd August on BBC One and in cinemas. The broadcast time for the episode will be revealed next Wednesday.
[Source: BBC Media Centre]