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 (TV series) have come from Adams' abandoned "Doctor Who and the Krikkitmen" project (instead of a TV version of the second radio series). However, Adams got into disputes with the BBC (accounts differ: problems with budget, scripts, and having Alan Bell and/or Geoffrey Perkins involved were all offered as causes), and the second series was never made. The elements of the "Doctor Who and the Krikketmen" project instead became the third novel, "Life, the Universe and Everything". In 1992, Kevin Davies wrote and directed a documentary entitled "The Making of the Hitchhiker's Guide to the Galaxy." Davies had previously worked on the