Saturday the 14th(1981)
"If you thought friday the 13th was bad, saturday the 14th is worse!"
This is a comedy parody of a horror film in which a family inherits a home and opens a book which unleashes horrific monsters which must be overcome by the unsuspecting family. Complete with the necessary scary doctor (Severn Darden) and evil style horror mansion. Stars Richard Benjamin and Paula Prentiss.