The Scooby-Doo/Dynomutt Hour: Sinister Syphony (Dynomutt): Manyface, a villain of many disguises, used a sinister symphony to send Big City to sleep, stripping it clean. The Spirits of '76 (Scooby-Doo): The gang gets locked up in a museum with the Spirits of '76.

Starring:

Casey Kasem, John Stephenson

Genre:

Animation, Family