Drashigs were huge, six-eyed, snakelike creatures that were able to burst through steel and eat through virtually anything.
Podcast C067 Frontier in Space
Interstellar war, a lunar prison break and Roger Delgado’s final appearance as The Master
Podcast C066 Carnival of Monsters
Doc and Jo must escape giant graboids inside a jukebox while bureaucrats plot to put a pair of interstellar carnies out of business