Scooby-Doo! and the Witch's Ghost

In "Scooby-Doo! and the Witch's Ghost" (1999), Scooby-Doo and the Mystery Inc. gang investigate a small New England town haunted by the ghost of a witch. They team up with a famous horror writer to solve the mystery and uncover a secret involving a coven of witches. The movie combines comedy, mystery, and supernatural elements, with the gang using their detective skills to unmask the villain and save the day.