He-Man and the Masters of the Universe

Castle Numbskull
Fan art, fan fiction, episode schedule, KiSS dolls, mood icons, and one-second episode summaries.
http://www.c4vct.com/kym/numbskul

CastleGrayskull.org
Devoted to all things He-Man and She-Ra. Includes video and sound clips, fan art, desktop downloads, puzzles, episode guides, forum, picture galleries, news, FAQs, action figures, publications, and links.
http://castlegrayskull.org

Four Horsemen Studios
Designers of the new Masters of The Universe action figures. Figure galleries, design art, and forums.
http://www.fourhorsemen.biz/

Grayskull Hotspot
He-Man and She-Ra episode lists and DVD release information.
http://members.shaw.ca/grayskullhotspot/

The He-Man Page
History of the 80s phenomenon and its downfall, a fan-written parody script, and He-Man's worst morals: don't put mustard on the cat!
http://flyingmoose.org/heman/heman.htm

Internet Movie Database
Cast and crew list, reviews and other details.
http://imdb.com/title/tt0126158/

Masters Cast
A He-Man and She-Ra podcast.
http://www.masterscast.com/index.php

The Masters of the Universe Fortress
Desktop themes and skins, fan art, information on toys and colletibles, as well as minicomic and book reviews.
http://www.angelfire.com/80s/motu0/ghostsmotuhome.html

Masters of the Universe: New Millennium.
Fan fiction stories from every story line in the MOTU universe including She-Ra, New Adventures, Powers of Grayskull, and He-Ro: Son of He-Man. Also features a message board and character descriptions.
http://www.geocities.com/rik2k1uk/masters-of-the-universe-2001.html

Mosquitor's He-Man Realm
Episode guides, reviews, and character guides for both the old and new He-Man series, plus a fan fiction library.
http://www.geocities.com/Area51/Crater/5874/

MVCreations
Makers of the Masters of The Universe comic. News, discussion forums, and a gallery of cover art.
http://www.mvcreations.com/

Slime Pit
Includes merchandise checklists for both the old and new shows, a which character are you quiz, fan art, and custom figures.
http://www.slimepit.homestead.com

Stratos' Masters of the Universe Page
Character biographies for good and evil characters. Also includes a price guide for collectibles, articles, and artwork.
http://www.angelfire.com/md/stratosmacca2/heman.html