Mystery Inc. is summoned to investigate occurrences in a haunted villa, where a black knight terrorizes anybody who tries to get close to treasure hidden by the former owner of the building.
Mystery Inc. is summoned to investigate occurrences in a haunted villa, where a black knight terrorizes anybody who tries to get close to treasure hidden by the former owner of the building.
Frank Welker ,Matthew Lillard ,Grey DeLisle
Rick Morales
Warner Bros. Animation ,
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as Scooby-Doo / Fred Jones (voice)
as Shaggy Rogers (voice)
as Daphne Blake (voice)
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