Peter Capaldi as Doctor Who in a New Episode 1 Trailer

I believe the saying goes "It's the deep breath before the plunge"...so it's all the more fitting the Season 8 episode opener starring new Doctor Peter Capaldi is titled "Deep Breath".

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. Hit the jump for the trailer!