Judd Apatow was already an accomplished producer throughout the 90s and 2000s (with movies like
Anchorman and a classic show in
Freaks and Geeks on his resume), but it was his directorial debut in
The 40-Year-Old Virgin that really made him into a household name (and was a breakout vehicle for star Steve Carrell).
Virgin is the perfect film to see the evolution of this genre: the movie is chock full of funny, and often quite raunchy sex jokes, but at the end of the day it's a really sweet and charming story of several adult relationships.
Animal House (1978)
For one of the most formative films of the sex comedy genre, we jump back to 1978 for