A.O. Scott in the New York Times:
“The Aristocrats” is – how shall I put it? – an essay film, a work of painstaking and penetrating scholarship, and, as such, one of the most original and rigorous pieces of criticism in any medium I have encountered in quite some time.
For those of you who have not already put down your newspaper and rushed off to buy tickets (and I hereby authorize the advertising department at ThinkFilm to plaster the previous sentence wherever it likes), perhaps I should add that “The Aristocrats” is also possibly the filthiest, vilest, most extravagantly obscene documentary ever made. Visually, it is as tame as anything on PBS or VH1’s “Behind the Music,” but there is scarcely a minute of screen time that does not contain a reference to scatology, incest, bestiality and practices for which no euphemisms or Latinate names have been invented.