Dr Jeffery Stewart and Dr Dan Forbes, two scientists, from the Office of Scientific Investigation must stop a creature that threatens to destroy Earth.
Anatasia offers Lois Cavendish her old mansion for business. However, she lays down a condition that the place is haunted and they have to free it from ghosts.
After the death of Cyrus, his attorney Corby invites his relatives and Joyce Norman is declared as the sole beneficiary. Cyrus has drafted a second will that puts Joyce's life in danger.
In this satire of 1950s sci-fi matinees, Lou Costello plays an amateur scientist who invents a time machine that also has a way of changing people into strange things as it moves them through time.