script "Children of the Gods" as the series finale. In it, the Alphans are terrorised by a pair of sociopathic children with formidable mental powers. The children are revealed to be their distant descendants, brought back in time by an alien race. The aliens have caused these children to be raised alone, without any human contact, to prove that Mankind is inherently amoral. They intend to destroy Alpha in the present to prevent the birth of these future Alphans. Koenig then must prove Mankind's worthiness to survive. Novelisation The episode was adapted in the sixth Year Two Space: 1999 novel The Edge of the Infinite by Michael Butterworth published in 1977. This novel was not released in the United Kingdom and only as a limited edition in the United States and Germany. The adaptation was based on the earlier version "Return of the Dorcons". References External links Space: 1999 - "The Dorcons" - The Catacombs episode guide Space: 1999 - "The Dorcons" - Moonbase Alpha's Space: 1999 page 1977 British television episodes Space: 1999 episodes British television series finales