The Doctor arrives in the old western town of Mercy and finds them terrified of a killer cyborg hunting for a “doctor from space”. Who is the doctor the cyborg is looking for? Why is the cyborg so hellbent on revenge? What new language is the Doctor fluent in this time? Find out in the newest episode of The Doctor’s Companion! And remember, BEWARE OF SPOILERS!!
Next: Matt Smith and “The Power of Three”!!