The 13 Ghosts of Scooby-Doo: The Complete Series [DVD]All 13 episodes from the animated series. After Scooby (voice of Don Messick) and Shaggy (Casey Kasem) are tricked into opening the Chest of Demons, they accidentally unleash 13 monstrous spirits. With the help of Daphne (Heather North), Scrappy Doo (Messick) and a con artist called Flim Flam (Susan Blu), Scooby and the gang are the only ones who can round up the ghosts and return them to where they came from before they wreak havoc on the mortal