Sherlock » The Hounds of Baskerville

Something terrible has happened to Henry Knight; Sherlock and John investigate the truth about the monstrous creature which apparently killed their client's father. A hound from hell? What seems like fantasy in Baker Street is a very different prospect in the ultra-secret army base that looms over Dartmoor.

First Aired: 08 Jan 2012

This episode is seen by 294 users.