Scooby-Doo, Where Are You!

A Highland Fling with a Monstrous Thing (3x6)

Air date: Oct 14, 1978

The gang travel to Scotland to visit their friend Aggie MacDuff, who says people have left her castle in fear after ghost sightings. It seems the ghost plays bagpipes to call on the Loch Ness Monster to help him scare people away from the castle.