The Doctor has regenerated and all is not well. Confused, angry and acting strangely, the new Doctor decides to become a hermit, taking his concerned companion Peri to a desolate asteroid where he plans to live for several centuries with her serving him as his faithful disciple.

The time travellers soon uncover a plot that threatens the entire galaxy. But who is the mysterious Professor Edgeworth? Why has an alien Gastropod kidnapped twins? And will the Doctor recover in time to stop Gastropods taking over the universe?

Voted the WORST story of Doctor Who by Doctor Who Magazine in 3 separate polls, this is a real humdinger.