CinemaReview.com: The Hitchhiker's Guide to the Galaxy: Production notes, reviews, pictures, and content information.
Counting Down: The Hitchhiker's Guide to the Galaxy: News and forum.
Douglas Adams Continuum: Forum with extensive movie discussion, news, and general information on Douglas Adams.
Douglas Adams.com: The Movie: An official source of information about the movie.
HHGTTGOnline.com: Fan page with multimedia, forums, quotes, character descriptions, and actor information, with content from the movie, books, and television series.
IMDb: The Hitchhiker's Guide to the Galaxy (2005): Plot summary, cast and crew information, and message board.
MovieWeb: The Hitchhiker's Guide to the Galaxy: A collection of video clips and interviews, plus reviews, news stories, and articles.
Planet Magrathea: News on the movie and other Douglas Adams-related events.
The Hitchhiker's Guide to the Galaxy: Official UK site with production information, multimedia, and character profiles.
The Hitchhiker's Guide to the Galaxy: Official site with news and pictures
The Z Review: The Hitchhiker's Guide to the Galaxy: News updates and preview information.
Yahoo! Movies: The Hitchhiker's Guide to the Galaxy: Preview information, news, and message board.