Scooby-Doo! and the Witch's Ghost (1999)

Oakhaven, Massachusetts, a town steeped in eerie folklore, beckons Scooby-Doo and the Mystery Gang into its shadowy embrace. They arrive seeking answers to unsettling events surrounding a celebrated horror novelist. His family harbors a dark secret, whispers of a distant ancestor branded a witch. As the gang delves deeper, the line between reality and macabre fiction blurs, revealing a sinister mystery that threatens to engulf Oakhaven. Unmasking the truth might unleash something far more terrifying than they ever imagined.