Invader Zim Ground Zero
Character profiles, episode guide, quotes, equipment, links, quiz, fan fiction, and polls.

Invader Zim
Official Nickelodeon site with character profiles, desktop downloads, sound clips, and pictures. [Requires Flash]

Implode: Do You Deny It
Fan art and fiction, trivia, scripts, sound clips, quotes, and links.

Invader Zim Wavs
Sound clips from GIR, Zim and Gaz.

Mission Goo II
Character profiles, place guide, episodes, images, hidden jokes, RPG, Gir shrine, multimedia, chat, polls, and links.

Zim of Irk
Images, sounds, movies, and personal information.

I Love This Show
A fansite with an episode guide, cast biographies, pictures, and quizzes.

Strange Nonsense
Images, fan fiction and art.

Melissa Invader Zim Site
Character biographies, an episode guide, and images.

Invader Zim Ring
An extensive listing and links to all member sites as well as joining instructions.

Invader Kias Invasion
A doodle chat, contests, and links to related sites.

GIR's Dog House
Includes episode guide, cast biographies, a small picture gallery, and chip switches.

Prepare to be Subjugated
Offers quizzes, downloadable games, a large .wav clip library, fan art, fan fiction, and an expanding collection of screenshots and video.

Gir's Doom Land
Pictures, wallpaper, and music.

The Invasion Is Here
Character profiles, games, video clips, and series information.

Invader Zim Doom Doom
Character adoptions, pictures, profiles, images, and a humor section.

Invader Zim's Secret Lair
Fan fiction, character profiles, games, and pictures.

Lord Krisman's Invader Zim Site
Images of a switch chip collection, fan art, wallpapers, and a message board, and links to episode information.

The Zone
Fansite which offers images, quizzes, and fonts.

The Moose Room
Pictures, episode and character guides, a guestbook, and zim zodes (fan fiction) showtimes.

Invader Cory's Invader Zim Quote thingy
Fansite with various quotes.

Bloaty's Pizza Hog
Fansite offering character profiles, quotes, sounds, and pictures. [Flash Reccomended]

The Scary Monkey Show Website
Full episode transcripts, hundreds of pictures, and descriptions of every character down to those with mere seconds of screen time.

Your Mom's House
Complete episode list with videos and a comprehensive links list to related 'toon sites.

Gir
Adoptions, wallpapers, chip switches, downloads, sounds, coloring pages, a message board, and doodle chat.

Temportal of Doom
Polls, quizzes, and a collection of pictures and chipswitches.

Zim-ness
Fan site with pictures, sound clips, and backgrounds.

Food Courtia
Episode descriptions, pictures, mp3s, news updates regarding the series.

Bad Bad Rubber Piggy - All Things Zim
Fan site with episode downloads, image gallery, audio files, games, and many more Invader Zim related goodies.

ToyKeeper.net Zim Videos
A selection of videos in divx (.avi) format as well as Jhonen fan art and wallpaper.