The Tardis narrowly avoids becoming engulfed in a web-like substance in space. Arriving in the London underground railway system, the travellers also discover that the tunnels are overrun with the web. They find it is the web from the Great Intelligence's robot Yeti.

 

This book is part of a book series called Bbc Radio Collection .

This book was published 2000 by AudioGO Limited .

The Unknown Adventurer is still believed to be at large in the wild.