Anti-Matter Rock Creature
![](https://whobackwhen.com/wp-content/uploads/anti-matter-stone-creature-three-doctors-doctor-who-back-when-1.jpg)
Henchmen of Omega in the anti-matter universe, the rock creatures were impervious to most weapons.
Podcast
C065 The Three Doctors
The First and The Second join The Third on an adventure in an anti-matter universe for the Ten Year Anniversary of Doctor Who