The Avengers on the Radio
The internet's only website devoted exclusively to Sonovision's radio adaptation of The Avengers, broadcast in South Africa in the 1970s. Produced in association with the radio Steed himself, Donald Monat.
http://theavengers.tv/radioavengers

The Avengers
Official site from Canal+, owners of the rights to the original series and distributors of the French video and DVD releases. In English and French.
http://www.theavengers-laserie.com

The Avengers Soundpage
Features dialogue clips, theme music and related items.
http://members.tripod.com/~avengers_soundpage/

The Avengers 2000
Includes fan fiction, a fan club, and episode guides.
http://www.angelfire.com/tv2/avengers2000/

ELAN - Avengers on the web
Featuring video information.
http://www.animus-web.demon.co.uk/elan/menu.htm

Los Vengadores
The internet's only Avengers site in Spanish. (English translation as well). Offers many perspectives on the series.
http://theavengers.tv/losvengadores

The Nitpicker's Guide to The Avengers
A fun look at all the goof-ups and missed lines in The Avengers and The New Avengers.
http://www.alexia.us/avengers

Original Avengers
fabulous-looking site from A&E, who are releasing the videos of the original series in the U.S
http://www.originalavengers.com/home.html

Police Surgeon
An obscure little site devoted to an obscure little 1960 crime drama from Great Britain. Predecesor to The Avengers.
http://theavengers.tv/police

Westray.org Avengers Web Page
Images, art, and cast biographies.
http://calwestray.tripod.com/avengers.htm

With Umbrella Charm and Bowler
Includes information on rare items of Avengers "merchandise", and images.
http://members.aol.com/hehehedc/avengers.html

The Authorised Guide to The New Avengers
Comprehensive site with episode guide, images, news,information, and postcards.
http://www.mark-1.co.uk/NewAvengers/

The Avengers - Noon: Doomsday
Covers some of the lesser-trodden areas, such as Avengers press material and merchandise.
http://www.theavengers.tv/doomsday/

The Avengers' Escape In Time Site
Features episode guides, links, and question of the month.
http://www.angelfire.com/ok3/mrspeel731/index.html

The Avengers Illustrated
A look at the comic book careers of the TV Avengers - Steed (of course) battles through a number of illustrated adventures with his leading ladies. Many exclusives!
http://www.theavengers.tv/comics/

The Avengers Mailing List
Subscribe, contribute, and discuss.
http://www.suburbia.com.au/avengers/

Boots, Bowlers and Umbrellas
Includes sections on news, the cast, and fan fiction.
http://groups.msn.com/Bootsbowlersandumbrellas

A Guide to Avengerland
A guide to the locations used during the filming of the classic British TV series.
http://www.geocities.com/avengerland/

IMDb: The Avengers
Cast bios, user comments, crew details, trivia, goofs, and production information.
http://www.imdb.com/title/tt0054518/

joodiff.com
Steedophilia includes trivia about the character and photos, as well as fan fiction.
http://www.joodiff.com