That's Monstertainment

That's Monstertainment is the fourth episode of The 13 Ghosts of Scooby-Doo.

Premise
Horror host and demon chest escapee Zomba magically transports Scooby and the gang into the film "The Son of the Bride of the Ghost of Frankenstein."

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

 * Zomba