Sevateem
![](https://whobackwhen.com/wp-content/uploads/sevateem-face-of-evil-doctor-who-back-when.jpg)
A society of tribal cavemen created by a supercomputer, Xoanon, whom they worshipped as a god.
Podcast
C089 The Face of Evil
The Fourth Doctor gets a brand new companion and someone’s carved a familiar face on Mount Rushmore