Rutan -- There appears to be one on Tharlot's screen. The coelenterate-like Rutans are the blood foes of the Sontarans. The Doctor took care of a Rutan in the episode "Horror of Fang Rock". The Doctor first met the belicose Sontarans in "The Two Doctors" although they first appeared on screen in the earlier episode "The Time Warrior". Well, it's a time travel show, isn't it? Read Full Review