Monsters Crash the Pajama Party
Not 3-D but real flesh and blood monsters!
1/1/1965
Imdb: tt0059466
Tmdb: 78508
Popularity: 1.41
Vote: 3.9/10 (7)

A group of teenage girls spends the night in an old dark mansion as an initiation into a college sorority. What they don't know is that the building is actually the headquarters for a mad scientist and his hunchbacked assistant, who are experimenting with turning humans into gorillas.