The Hitchhiker's Guide to the Galaxy by Marvin, the Paranoid Android, who, although 37 times older than the universe itself (what with time travel and all), has just enough power left in his failing body to read the message and feel better about it all before expiring. This was the first "Hitchhiker's" novel which was not an adaptation of any previously written story or script. In 2005 it was adapted for radio as the Quandary Phase of the radio series. Finally, in "Mostly Harmless" (published in 1992), Vogons take over "The Hitchhiker's Guide" (under the name of InfiniDim Enterprises), to finish, once and for all, the
The Hitchhiker's Guide to the Galaxy Tertiary to Hexagonal Phases credits. There was even a cameo role by Adams himself (who had died in 2001) as Agrajag, edited from his BBC audiobook recording of the novel. The original novel was based on a treatment that Adams wrote for an unmade Doctor Who movie, Doctor Who and the Krikketmen. The idea was re-proposed during Tom Baker's tenure in the title role, and again for a potential (but unmade) second television series of "The Hitchhiker's Guide to the Galaxy". Before the final episode was broadcast, BBC Worldwide released the Tertiary Phase on CD, including additional material. A DVD of the series was