The Harum-Scarum Sanitarium

On vacation in Niagara Falls,the gang ends up at a mental asylum haunted by a former doctor ghost, Dr. Coffin. When the kids notice. When the kids notice ambulances coming and going with no patients, they decide to find out what they are really carrying. Is the 7th episode of The Scooby-Doo Show.

Villain:Officer Oldfield/Doctor Coffin