The seventh highest-grossing R-rated movie franchise in the history of cinema, the 50 Shades of Grey trilogy has earned around $1.32 billion worldwide, underlining the status of James' brainchild ...

Scream, The Matrix, and Mad Max are all among the greatest R-rated movie series ever.

While not for the faint-hearted, these fantastic R-rated anime movies are perfect for those unafraid to open up new horizons of unsettling, gory, and unrestrained.