Plot
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.
Trailer
Cast
Casey Kasem
Shaggy Rogers (voice)
Frank Welker
Scooby-Doo / Fred Jones / Wiki-Tiki / Interviewer (voice)
Mindy Cohn
Velma Dinkley (voice)
Grey DeLisle
Daphne Blake / Auntie Mahina / Local Woman #2 (voice)
Ray Bumatai
Little Jim (voice)
Tia Carrere
Snookie / Local Woman #1 (voice)
Teri Garr
Mayor Molly Quinn (voice)
Mario López
Manu Tuiama / Mainland Surfer (voice)
Adam West
Jared Moon (voice)
Don Ho
Special Musical Guest (voice)
Dick Dale
Special Musical Guest #2 (voice)
Don Ho
Special Musical Guest #1 (voice)
Dee Bradley Baker
Tiny Tiki / Surfer on Bike / California Surfer Dude / Local Guy #1 / Wild Pig / Gecko / Flame Thrower (voice)
Tom Kenny
Ruben Laluna / California Surfer / Tiny Tiki (voice)