Alan Winfield talks to Jim Al-Khalili about the ethics of robots, from drones to androids.
Brian Aldiss talks to John Dunn about the detractors, fans and ambition of the genre.
Doris Lessing on science fiction and Tenith Lee on being a woman working in the genre
Malorie Blackman on her science fiction book for young adults Chasing the Stars
Robert Beckford and guests explore the role of religion in science fiction.
Robin Ince explores the scientific ideas hidden within the wonderful world of Dr Seuss.