IMDb: Mad TV: Cast, crew, and production information, as well as viewer comments.
MADtv.com: The official site for the series.
Nicole Sullivan Transcripts: A collection of MADtv transcripts featuring former cast member Nicole Sullivan.
Planet MADtv: Home of the largest MADtv community on the internet. Also includes news and downloads.
TV.com: MADtv: A semi-comprehensive episode guide.