1 scene of kissing.

A boy is shown in his underwear a couple of times.

Although there is some blood and gore, it is not bad enough to deserve an R rating.

A man has his face dunked into a container of acid. His burned face is shown for a couple of seconds.

A man beats a teenage boy and forces him to drink chemicals. Some blood is shown on the teenager's face.

A dead cat is shown lying on the floor next to a puddle of blood.

After a fight scene in a classroom, there is blood on the blinds, curtains, floor, etc.

The monster jumps on the gym teacher's stomach while wearing cleats. He has a bloody stomach and is than hanged. The bloody body is briefly shown swinging on a rope.

Surprisingly 1 use of f**k

A couple uses of "damn" and "hell"

A couple of religious profanities such as "for God sake"

1 use of "crap"

Other than that, the movie has seldom swearing.

Some cigarattes are smoked.

The formula that the main character creates to make him evil can be considered a drug.

When the movie came out in 1973, it was originally rated X for violence then it got cut down to an R rating in 1974. When Crown International bought the movie, they cut it down even more to get a PG rating.

The monster may be frightening to young children.

The teenage boy has a rough life.

This is a horror movie so it is somewhat scary. The sudden noises and music in between scenes and the dark lighting of the camera may be considered frightening.

This movie is fairly scary because of the sudden noises, dark lighting, and drama.