The Harem Sacrem Sanitarium

The insane Dr. Coffin

While the gang is passing the border, they encounter an ambulance which mysteriously vanishes at a broken bridge. Linking the ambulance to the nearby sanitarium, the gang decides to stop and investigate for the night. After their eccentric and weird host leaves them, they are plauged by the ghost of a mad doctor, Dr. Coffin, and his two assistants, his strange dog experiments as he possesses Scooby, his silent patients and his mysterious disappearing ambulance.
7/10