The Doctor has regenerated and all is not well. Confused, angry and acting strangely, the new Doctor decides to become a hermit, so takes his concerned companion Peri to a desolate asteroid where he plans to live for several centuries. However, the time travellers soon uncover a plot that threatens the entire galaxy. Why has an alien Gastropod kidnapped a pair of genius twins, and will the Doctor recover in time to find out?

Genres

Cast

Colin Baker

The Doctor

Nicola Bryant

Peri Brown

Maurice Denham

Edgeworth

Edwin Richfield

Mestor

Kevin McNally

Hugo Lang

Oliver Smith

Drak

Barry Stanton

Noma

Graham Cole

Jacondan