Boogie Nights was only Paul Thomas Anderson's second film, but the story of an up-and-coming star in the waning days of the porn industry on film is exceedingly confident, especially for a director in his 20s. Clint, Cal, and Alex talk about the stacked cast that might be the best ensemble ever assembled, the origin of the most hilarious sub-genre (the "horny boy movie"), and why this movie about sex is not about sex at all.