Vampire Circus (1972) follows a vampire that was killed by an angry mob 15 years earlier only to plague a circus with a demonic curse.
Night of the Lepus (1972) is about an experimental hormonal drug which is tested on rabbits only to cause a horrible result for blood.
Night of the Cobra Woman (1972) is about a nurse who gets bit by a snake during World War II and continues her lust for youth years later.
Horror Express (1972) follows a Professor Saxton who captures a prehistoric specimen only for it to be released on the train ride home.
Garden of the Dead (1972) is about a group of inmates who try to escape prison, but before doing so, inject formaldehyde and subsequently become zombies.