All-Reviews.com: South Park: Bigger, Longer, & Uncut: Collection of reviews of the South Park movie.
Allwatchers Review - South Park: Bigger, Longer, and Uncut: Analytical review of the plot, setting, theme, and structure of the Trey Parker and Matt Stone film, and links to similar movies.
Apollo Movie Guide: Review, links, and cast information.
HARO Online: Haro reviews the South Park movie.
IMDb - South Park: Bigger, Longer and Uncut (1999): Cast/credits plus additional information about the film
Metacritic.com: South Park: Bigger, Longer, Uncut: A cross-section of reviews from the country's top critics.
Salon Entertainment Review: Beneath the veneer of fake dicks and fart jokes, it's really a righteous paean to saying whatever the hell you want.
South Park: Bigger, Longer & Uncut - Rotten Tomatoes: Reviews, profiles, links to trailers, articles, interviews, and pictures.