The Hitchhiker's Guide to the Galaxy President; the depressed robot Marvin the Paranoid Android; and Trillian, formerly known as Tricia McMillan, a woman Arthur once met at a party in Islington and the only other human survivor of Earth's destruction thanks to Beeblebrox' intervention. The first radio series comes from a proposal called "The Ends of the Earth": six self-contained episodes, all ending with Earth's being destroyed in a different way. While writing the first episode, Adams realized that he needed someone on the planet who was an alien to provide some context, and that this alien needed a reason to be there. Adams finally settled
The Hitchhiker's Guide to the Galaxy (radio series) discussed the new series, directed and co-produced the radio adaptation as well as adaptations of the remaining "Hitchhiker's Guide" novels "So Long, and Thanks for All the Fish" and "Mostly Harmless". These became the third, fourth and fifth radio series, transmitted in 2004 and 2005. A sixth series, adapting Eoin Colfer's sixth part in the "trilogy", "And Another Thing..." was broadcast in March 2018. Douglas Adams had contributed comedy sketches for BBC radio programmes produced by Simon Brett (including "The Burkiss Way" and "Week Ending"), and was asked to pitch a radio sitcom in February 1977. Adams initially pitched a