Series 7 Episode 3 is “A Town Called Mercy”
They first showed a scene from Toby Whithouse’s western themed episode now confirmed to be called “A Town Called Mercy“.
The clip features the Doctor, Amy and Rory in the saloon bar. The Doctor orders a strong cup of tea and tells them to “leave the bag in”.
The locals ask the Doctor if he is an alien and despite Amy and Rory telling him not to, the Doctor says “yes” and they take him away.
