Rotten Tomatoes: Dumb and Dumberer - Links to reviews, photos, trailer, news articles, and a public forum. - http://www.rottentomatoes.com/m/dumb_and_dumberer_when_harry_met_lloyd/
Dumb and Dumberer: When Harry Met Lloyd - Concise review detailing major plot points, with a list of the movie's principle cast and crew. By David Kehr [New York Times]. - http://query.nytimes.com/gst/fullpage.html?res=9F02E4D81F39F930A25755C0A9659C8B63
Cinema Savvy - Dumb and Dumberer - Includes a summary and review of the prequel, as well as box office details and soundtrack listing. - http://www.cinemasavvy.com/d/dumbanddumberermovie.html
KillerMovies: Dumb and Dumberer - Film information, links to trailers, and related news articles. - http://www.killermovies.com/d/dumbanddumberer/