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!

BBC Launching New Doctor Who with Special Programming & Theatrical Events

It’s a new beginning for the iconic series that explores all of space and time, as award-winning actor Peter Capaldi takes on the role of the mysterious time traveler, the Doctor. BBC AMERICA will launch Peter Capaldi’s first season of Doctor Who with special programming on the channel and theatrical events across the country with Fathom Events. The new season of Doctor Who premieres Saturday, August 23, 8:00pm ET on BBC AMERICA. (Trailer, Photos)