File:Scoob meets the Ghost of Dr. Coffin.png

Summary
Scooby-Doo sees the Ghost of Dr. Coffin out the window, while Shaggy & Fred are unaware, from the The Scooby-Doo Show episode, The Harum-Scarum Sanitarium. Screenshot from The Scooby-Doo!/Dynomutt Hour: The Complete Series.