A set of promotional images for the next episode of Doctor Who have been released.

The official synopsis reads: “In the mysterious world of the Nethersphere, plans have been drawn up. Missy is about to come face to face with the Doctor, and an impossible choice is looming. ‘Death is not an end’ promises the sinister organisation known only as 3W – but, as the Doctor and Clara discover, you might wish it was.”

Watch the trailer…

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

Are you looking forward to ‘Dark Water’? Let us know below…