Twenty years after detonating a bacteriological weapon over Samur, rendering it uninhabitable, the Sontarans are back: a select platoon of seven has landed here on a secret mission, carrying sealed orders given to them by Fleet Marshal Stabb.
The TARDIS has landed here, too, bringing the Doctor, Tegan, Turlough and Nyssa...
- Format: CD-Audio
- Publisher: Big Finish Productions Ltd
- Publication Date: 30/04/2011
- Category: Science fiction
- ISBN: 9781844355587