Tonight the Doctor conquered Dinosaurs on a Spaceship, but what’s up next on his timey-wimey to-do list? Well…

Next weekend our heroes are goin’ straight to the Wild Wild West as they take a journey to A Town Called Mercy. And yes… the Stetson will be making another appearance!

Written by Toby Whithouse, the Doctor poses as a sheriff in the episode, which was filmed in Spain. But just who – or what – is holding the town under siege?

Watch all the latest previews and share your anticipation for next week’s episode below!

A Town Called Mercy premieres next Saturday (15th September) at 7:35pm on BBC1.

See the latest Series 7 headlines to discuss all the developments as and when…