The TARDIS brings the third Doctor, Jo, and Captain Yates to Nooma, a planet in the midst of an industrial revolution. There, they discover that survival of the fittest has become a religion and even the planet appears to be at war with itself....
Dreamstone allows people to record and play back their dreams; it can only be found on a certain moon. The Doctor and Sam travel there to prevent its destruction whilst Anton La Serre wants to know why his pleasant dreams have turned into nightmares....
It's swinging London, 1968. The Tardis crew are investigating an anarchist set using a drug that seems of an extra-terrestrial nature and how it connects to a series of bizarre, violent events worldwide....
A mysterious code is received at Bletchley and Alan Turing, the chief code-breaker, is unable to break it. He meets the Doctor in a club and when Turing tells him about the code, the Doctor reacts by running away, terrified. Turing confesses his indi...