| The X-Files: The official site with an episode guide, live chat, episode previews, and a complete database with biographies of the characters, interviews, and awards. [Flash] |
| BBC - X Files: Featuring interviews, photo galleries, quizzes, quick facts and information about the show. |
| Fortress of Loligo: Essays about the show and its characters, drawn from posts to the alt.tv.x-files news group. |
| IMDb: The X-Files: Cast and crew details from the Internet Movie Database. |
| The Science Behind The X-Files: Takes an episode-by-episode look at the science fact behind the science-fiction of the television show. Covers the first six seasons. |
| The X-Toys: Gallery of custom action figures, Little People, and other toys. Also pictures toys based on Millennium. |
| TV Tome: The X-Files: Contains cast and crew information and episode guide. |
| Virgin.net - X-Files: Featuring character biographies, interactive quiz, and season seven DVD review. |
| White Noise: The Music of The X-Files: Lyrics to songs featured in the series and the film, along with information about composer Mark Snow. Also includes fan art. |
| X-Files Comics Checklist: Chronological list of comic books, with summaries and descriptions. |
Classical
