Watch The 13 Ghosts of Scooby-Doo full episodes online.
Synopsis: Scooby and Shaggy are tricked by ghosts Bogle and Wierd into opening a chest of demons. With the aide of Daphne, Scrappy, an orphan named Flim Flam and warlock Vincent Van Ghoul, they have to return the 13 demons to the chest.
Stars: Casey Kasem, Heather North, Vincent Price
More infor: IMDB, Wikipedia