That's Monstertainment

Name: That's Monstertainment
Released: 1985-10-05
Duration: 22 min
Rating: 5.8

S1 E5 October 5, 1985 0h 22m ★ 5.8

Source:

Overview

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."