Scooby-Doo and the Power of the Rising Staff (1991)

Scooby and the gang meet the Guys and the N (Kyle, Roderick and Derek) at Miss Grimwood's Finishing School for Ghouls, but when a wicked gothic witch, uses a stew to attract monsters, and lead them to find an ancient weapon, known as the Rising Staff from a museum.

Premiered
1991

Characters

 * Scooby-Doo (Don Messick)
 * Shaggy Rogers (Casey Kasem)
 * Fred Jones (Frank Welker)
 * Daphne Blake (Heather North)
 * Velma Dinkley (B.J. Ward)
 * Kyle Tennyson (???)
 * Roderick Johnson (???)
 * Derek Kain (???)
 * Sibella Dracula (Susan Bleu) - appears as a love interest for Kyle
 * Tanis (Patty Moloney)
 * Elsa Frankenteen (Pat Musick)
 * Phantasma (Russi Taylor)
 * Winnie the Werewolf (???) - replaced Marilyn Schreffler
 * Miss Grimwood (Glynis Johns)
 * Matches (Frank Welker)
 * ??? (???) - the main antagonist, uses the Rising Staff (a golden staff with purple glow)

Plot
???