A mother and daughter hatch a scheme to murder their family's domineering and sadistic patriarch.
Koko takes Betty to the museum, where she's locked in overnight and forced to sing at the skeletons' dance.
Aliens from a dying world plot to conquer Earth by preying on man's superstitions. Bringing two dead scientists back to life, they use their knowledge to re-animate various monsters, including the werewolf Waldemar Daninsky, Frankenstein's monster, the mummy Tao-Tet, and the vampire Count de Meir...