This isn't the only fantastic R-rated film from the 1970s though. Also released in the 1970s was "The Exorcist." Horror movies were all the rage in the '70s. "The Exorcist" was released on ...

The movie isn’t without plenty of lighter moments, though, thanks in large part to Margot Kidder’s Barb. Black Christmas pushed boundaries not only for its horror sensibilities, but also with ...