I wonder if anyone at the BBC ever had the presence of mind to just go and buy a quarry? The "Doctor" (Tom Baker) and "Sarah Jane" (Elisabeth Sladen) duly arrive amidst the rockfalls and amongst the rubble, she discovers a disconnected hand. It appears to be made of stone, and is wearing a ring which she promptly puts on her finger. Really? She ought to have known better as soon it takes control over mais...