The series heads to the very frontiers of space and science to produce the definitive television history of science fiction. The story of one of the liveliest and most stimulating genres in popular culture will be told through its impact on cinema, television and literature. Each episode will explore one of the enduring themes of science fiction: time travel; the exploration of space; robots and artificial intelligence; and aliens. It will be made with the help of the genre's greatest pioneers: the filmmakers, writers, actors, and graphic artists whose obsession and imagination has taken them into the unknown. Having explored the future, the past, parallel universes and galaxies far, far away, they are now ready to report back on their experiences.