BBC One has released a 30-second trailer for the first episode of Doctor Who‘s new series.

‘Deep Breath’ airs on Saturday 23 August on BBC One.

The official synopsis reads: “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?”

> Here’s our round-up of the first reviews for ‘Deep Breath’.

Watch the trailer…

> Here’s everything we know about Series 8 so far.

What are your hopes for Series 8? Let us know below…