Theory

• Narrative Theory and Television - An outstanding discussion of narrative structure in television from the University of Oregon

• The Po-Mo Page - Descriptions and definitions of Postmodern Theory from Georgetown University

• Sitcom: What It Is, How It Works - A "NeoAristotelian analysis" by a University of Washington Communications professor; very comprehensive

Encyclopedias and Guides

• Encyclopedia of Television - This is the electronic version of the definitive print encyclopedia. It is quite comprehensive.
  
  
• MZTV Museum of Television - Digital version of a physical museum in Canada, maintained by Moses Znaimer; emphasis on technological developments, with many photos.
  
  
• Popular Culture: Television - Contains many links under various categories, including criticism; from Washington State University

• TV Acres - A great source of facts on many television programs, inlcuding character bios; contains many links.

• Episode Guides - Lists and summarizes individual episodes for more than 3,500 shows; includes quotes from episodes.

• Television Tunes - Over a thousand TV show theme songs, streaming or downloadable in MP3 format.

Miscellaneous

• Ten Television Analysis Writing Projects - Thought-provoking ideas for papers on television from Traci Gardner of the National Council of Teachers of English.
  
  
• Reality Blurred - An intelligent culture blog/digest devoted to reality TV shows; it includes a large archive.
  
  
• After Ellen - A site devoted to lesbian issues across media, including television.

• History of Cable TV - A good overview from Kansas State University