The New Scooby-Doo Movies

Season 1, Episode 13

Episode Title: The Haunted Horseman of Hagglethorn Hall

Air Date: 1972-12-02

Overview:

To rejuvenate the tourism that's dropped off since the rumors of ghosts have circulated, the gang helps former-Monkee Davy Jones prove that the Horseman of his Hagglethorn Hall is a phony.