Arriving on the barren world of Androzani Minor, the Doctor and Peri find themselves embroiled in a long running war, fought between the ruthless Morgus and the sinister Sharaz Jek.

At the heart of the conflict is a substance called Spectrox - both valuable and deadly! The Doctor and Peri end up being poisoned by the material, which is killing them slowly and painfully, and there is no cure.

With death just hours away, how far must the Doctor go in order to save his friend’s life?

You can find the “Summons From Gallifrey” podcast on Apple, Spotify, wherever you listen to your podcasts.