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 Primary and Secondary Phases The Hitchhiker's Guide to the Galaxy Primary and Secondary Phases The terms Primary Phase and Secondary Phase describe the first two radio series of "The Hitchhiker's Guide to the Galaxy", first broadcast in 1978. These were the first incarnations of the "Hitchhiker's Guide to the Galaxy" franchise. Both were written by Douglas Adams and consist of six episodes each. The series followed the aimless wanderings of Arthur Dent, Ford Prefect and his book, the eponymous "Guide". It introduced unfamiliar music, mind stretching concepts and the newest science mixed together with out of context parodies, unfeasibly rude names, "semantic and philosophical