The show is based around two people reviewing the sex they had with monsters. Thus, graphic nudity is prelevant throughout the show.
Has lots of sex scenes and nudity, but they still censor some nude scenes
In one scene, males change into females to see what it is like for a woman to enjoy sex
In the uncensored version, it shows vaginas in the opening. This is however one of the few details in the Critical Mass Video blu ray release that was left censored.