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) posthumous cameo role by Adams as Agrajag, edited from his BBC audiobook recording of the novel. In series 3, after the events of series 2 are revealed to be a hallucination, Arthur Dent and Ford Prefect find themselves again stuck on prehistoric Earth. After being rescued, they find themselves transported to Lord's Cricket Ground just before it is destroyed by 11 white robots. Slartibartfast teaches Dent how cricket is based on the history of the worst wars in the galaxy, and the pair travel to Krikkit in order to prevent another war. In the final part, Dent and Trillian meet