The Ghouliest Show on Earth

The Ghouliest Show On Earth is the twelfth episode of The 13 Ghosts of Scooby-Doo.

Premise
While visiting Scooby's parents in Dooville, Flim-Flam becomes hypnotized by a circus ringmaster.

Cast

 * Don Messick – Scooby-Doo and Scrappy-Doo
 * Casey Kasem – Shaggy Rogers
 * Heather North – Daphne Blake
 * Susan Blu – Flim-Flam
 * Vincent Price – Vincent Van Ghoul
 * Howard Morris – Bogel
 * Arte Johnson – Weerd

Villains

 * Professor Phantasmo