Seinfeld:Official site features show and star information, audio and video clips, pictures, live chat and online store from Columbia TriStar.
About.com: Seinfeld Syndication Schedule: The next two weeks of Seinfeld in syndication, updated weekly.
Apartment 5A: Episode liste, character information, and trivia.
Ben's Seinfeld Page: Photos, audio, episode guide, and merchandise.
IMDb: Seinfeld: Cast information, plot summaries, writing credits, and message board.
Kenny Kramer: Home of the "Real Kramer," inspiration for Cosmo. Generally a sales pitch for his Reality Tour.
Miss Rebecca's Seinfeld Page: Quotes, poll, trivia, syndication schedule, and links.
MovieProp.com - Seinfeld: Episode guide, biographies, movie references, and information about reoccurring characters. Site also features information about the real J Peterman, Elaine's boyfriends, Jerry's girlfriends, Jerry's fixation on Superman, as well as essays.
Much Ado About Nothing: A brief fan page with theme song, a couple of audio clips and character information.
Seinaholic: Schedule, icons, episode guide, pictures, sounds, cast biographies, trivia, and links.
Seinfeld: Character details, poll, quiz, and message board.
Seinfeld: Episode descriptions, quotes, and character bios.
Seinfeld 2k1: Sounds, pictures, message board, and links.
Seinfeld Blog: Includes episode videos, photos, scripts, links, and a forum.
Seinfeld By The SeinBoys: Includes news, pictures, sounds, videos, episode summaries, trivia, biographies, and links.
Seinfeld Lists and Scripts: Over 100 scripts, trivia, lists, and FAQ.
Seinfeld Online: Biographies, episode guide, pictures, quiz, audio, video, and guestbook.
Seinfeld Quotes: Quotes and quote ratings.
Seinfeld Scripts: Text from episodes of the series.
Seinfeld Sights and Sounds: Pictures and sounds of Kramer, Newman, Jerry, Elaine and George from Seinfeld.
Seinfeld Soundbites: MP3s and WAVs: Sound files for the show.
Seinfeldfan: Video, screen savers, icons, episode guide, biographies, scripts, quotes, trivia, forum, newsletter, guestbook, and links.
Seinfeldmania: Provides pictures, sound samples, and quotes.
Seinline, The Game About Nothing: Downloadable PC game based on the series.
Seinology: Video, audio, episode guide, lists, message board, chat, and links.
TBS Superstation - Seinfeld: The story, cast, TBS episode schedule, favorite clips, photos, and daily trivia.
The Seinfeld Palace: Seinfeld Sounds pictures movies video clips an episode guide with instant marking trivia with 3 levels and biographies.
The Seinfeld Web Ring: Web ring for Seinfeld sites.
The Soup Nazi Headquarters: From Seinfeld.
Totally Seinfilled: Pictures, sounds, scripts, movies, character information and trivia.
World of Justin - Seinfeld Sounds: Games, sound clips and pictures.
World of Seinfeld: Features a list of episodes, cast biographies, show history, and a forum.
Yahoo Groups: Seinfeld Preservation Society: Email discussion list for fans of the show.