The Mystery Gang goes to Hawaii for the Big Kahuna of Hanahuna Surfing Contest. However, the gang and the locals find the island invaded by the vengeful Wiki Tiki spirit and his demons.
Stars: Frank Welker, Casey Kasem, Mindy Cohn, Grey DeLisle, Ray Bumatai, Tia Carrere, Adam West, Don Ho, Dick Dale, Don Ho, Dee Bradley Baker, Tom Kenny, Teri Garr, Mario López