Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Skip it

The film is inaccurate (ignorant of how early porno films began), shows boring parts of boring films (explicitly cuts hard-core scenes), a know-it-all narrator won't shut up with his useless unimaginative commentary, absurd newsreel intercuts that the director thinks gives the film "weight". Gets two stars instead of one for a contribution to history of cinema. The real history of porno is a 1970s film called "History of the Blue Movie" which apparently was allowed to copy some early stuff from the Kinsey archives; this film was definitely available on VHS at one time, and is well-worth tracking down.