| About.com: ER: Links, episode guide, photos, and news. |
| Alt.TV.ER Page: Frequently asked questions, episode summaries/reviews up to season 9 in 2003, usenet schedules, commentary, and links. |
| ER: Official UK site for the series; episode guide, behind the scenes and cast information, glossary of medical terms, and screensaver. |
| ER Files: Character biographies and relationships, cast information, fan fiction, and episode reviews. |
| ER Headquarters: Cast biographies, episode guide, multimedia, fan art and fiction, music, and forum. |
| ER Star Edwards to Leave: Actor Anthony Edwards says he is to leave top-rated medical drama ER at the end of his current contract. |
| ER Videos: Video clips and bloopers. |
| ER World: Includes trivia, polls, fan fiction, and cast information through year 2000 (season 6). |
| IMDb: ER: Cast crew and production information. |
| Karen's ER Page: Pictures, episode list and character biographies. |
| Kate's ER: Cast biographies, spoilers, news, links, and fan fiction. |
| Katie's ER Page: Scans of magazine covers featuring the cast. |
| Medspeak: The Language of ER: Analysis of the show from a medical perspective. Includes medical dictionary and episode reviews written by a doctor. |
| NBC: ER: Official network site. Show summary, episode guide, photo gallery, video clips, cast bios and extras. |
| Shelly's ER: Includes pictures, multimedia, and links. |
| Shirley's Corner: ER fan fiction. |
| Television Without Pity: ER: Episode recaps, polls, and discussion boards. |
| The Audience is Now Deaf: ER: News, videos, wallpapers, message board and character profiles. |
| The ER Site: Episode guide for seasons 1 through 8 and cast information. |
| The Lounge: Fansite includes songs, fan fiction, spoilers, multimedia, and TV schedules. |
| TNT: ER: Includes schedules, pictures, cast information and forum. |
| TV.com: ER: Episode guide, information on cast and crew, and viewers' comments. |
| TvZone: ER: Weekly recaps and reviews of the show, plus news and message board. |
| uk.media.tv.er: Information about the newsgroup uk.media.tv.er, including links. |
| Warner Brothers: ER: Official production site, includes cast and character information, episode guides, message board, and virtual tour of the set. |
| WWWF Ground Zero: M*A*S*H vs. ER: The battle for surgical supremacy. [Humor] |
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