The best R-rated movie musicals ever made include 8 Mile, All That Jazz, and The Rocky Horror Picture Show.

Some classic movies had to make changes to avoid getting slapped with the dreaded NC-17 rating. Here are 14 movies that made edits to be rated R.

Classic horror movies like Psycho and The Innocents hold up as intense, frightening and overall excellent cinema to this day.

Here are 32 PG movies that would never be released with anything less than a PG-13 rating (and R in some cases) today.

R-rated comedies are making a comeback with movies like "No Hard Feelings" and "Joy Ride." You need to see movies like "The Blues Brothers," "Coming to America," and "Slap Shot." Below, a look ...