The Headless Horseman of Halloween (Scooby-Doo): A Halloween party at the crane manor becomes a mystery when the headless horseman shows up.
The Harbor Robber (Dynomutt):
Blue Falcon run into Fishface, a fishy villain who plans to blend dry the rich cargoes passing in and out of big city harbor.
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Ready to Watch The Scooby Doo Dynomutt Hour, Season 1, Episode 5?