Season two of the BBC’s reboot of the Arthur Conan Doyle classics concludes with Sherlock coming full circle as he again faces off against his nemesis, James Moriarty. Our hero finds himself ensnared at the centre of a web of lies of Moriarty’s making, as he battles to save both his own reputation and the lives of his closest friends.

Spoilers below …

It’s a field trip with a difference in this week’s Sherlock, as Mark Gatiss takes on perhaps the best known Holmes story of them all: The Hound of the Baskervilles. Our heroes decamp to the bleakness of Dartmoor to deal with an apparently supernatural hound. Is it somehow linked to a nearby top-secret research facility named Baskerville? And can Holmes continue to function at his deductive best if he can’t fully rely on the evidence of his own senses?

Spoilers below …