Eight Legs

The Eight Legs were a race of spiders on Metabilis 3 that had stowed away aboard human ships only to be mutated by the local crystals into super intelligent, telepathic, trans-dimensional, lightning-firing mega creatures in a sort of reverse-Peter-Parker scenario.
Podcast A020 The Eight Truths & Worldwide Web > >

The Headhunter returns for an epic double-feature. Metebelis III crystals for everyone!
Podcast C074 Planet of The Spiders > > > > > > > >

Pertwee shines in a his farewell serial as he faces off against a spider senate and runs over vagabonds with a hovercraft