The Hitchhiker's Guide to the Galaxy a human-like alien writer for the eccentric, electronic travel guide "The Hitchhiker's Guide to the Galaxy", by hitchhiking onto a passing Vogon spacecraft. Following his rescue, Dent explores the galaxy with Prefect and encounters Trillian, another human who had been taken from Earth prior to its destruction by the President of the Galaxy, the two-headed Zaphod Beeblebrox, and the depressed Marvin, the Paranoid Android. Certain narrative details were changed between the various adaptations. The various versions follow the same basic plot but they are in many places mutually contradictory, as Adams rewrote the story substantially for each new adaptation. Throughout
The Hitchhiker's Guide to the Galaxy (radio series) production on the Secondary Phase had ceased, a new radio adaptation of Adams' unadapted novel "Life, the Universe and Everything" was announced. This would become the third series of the "Hitchhiker's Guide to the Galaxy" on radio. Dirk Maggs, a friend of Adams, was chosen to create, direct and co-produce the adaptations. Maggs had previously consulted with Adams on potential radio adaptations for the final three books in 1993 and 1997. The project was restarted in September 2001 by Maggs, Helen Chattwell and Bruce Hyman, with help from Jane Belson and Ed Victor. At the time of the announcement, it