3. The Curse of the Viking Lake (1977)
A museum curator and two geology students impersonate Viking ghosts to keep people away from a lake and steal the area's thermal energy.
Release date: 1977-09-10
Season number: 1
Episode number: 3
Runtime: minutes
Cast
Don Messick
as Announcer / Boo Boo Bear / Scooby-Doo / Mr. Creeply (voice)
Daws Butler
as Snagglepuss / Yogi Bear / Quick Draw McGraw / Various (voice)
John Stephenson
as Mildew Wolf / Dread Baron / Great Fondoo / Doggie Daddy (voice)
Casey Kasem
as Shaggy Rogers (voice)
Scatman Crothers
as Hong Kong Phooey (voice)
Frank Welker
as Dynomutt / Jabberjaw / Magic Rabbit / Sooey Pig (voice)
Mel Blanc
as Barney Rubble / Captain Caveman / Speed Buggy (voice)
Julie Bennett
as Cindy Bear (voice)
Marilyn Schreffler
as Brenda Chance / Daisy Mayhem (voice)
Vernee Watson-Johnson
as Dee Dee Skyes (voice)
Laurel Page
as
Heather North
as (voices)
Alan Reed
as
Gary Owens
as
Bob Holt
as
Joe Besser
as
Doug Young
as
Julie McWhirter
as
Ashley Johnson
as