The BBC has released two trailers for the next episode of Doctor Who.

Penned by Australian writer Sarah Dollard (Being Human, The Game), ‘Face the Raven’ will air at 8.10pm on Saturday 21 November on BBC One.

> Buy Season 9 on DVD on Amazon.

> Buy Season 9 on Blu-ray on Amazon.

Watch the trailers…

The official synopsis reads: “The Doctor and Clara, with their old friend Rigsy, find themselves in a magical alien world, hidden on a street in the heart of London. “Sheltered within are some of the most fearsome creatures of the universe… and Ashildr (Maisie Williams)! With a death sentence hanging over their heads, not all of the intruders will get out alive.”

Doctor Who showrunner Steven Moffat hinted earlier this year: “Have you ever found yourself in a street you’ve never seen before? The next day, could you not find that street again? You weren’t dreaming. Your memory isn’t playing tricks. Like many lost souls throughout the ages, you have stumbled on an extraordinary secret – be grateful you survived it. The Doctor and Clara, with their old friend Rigsy, find themselves in a secret alien world, folded away among the streets of London.”

He added: “Not all of them will get out alive. One of the three intruders must face the raven…”

> Here’s everything we know about Season 9 so far.

Are you looking forward to ‘Face the Raven’? Let us know below…