Watch Scooby-Doo and the Witch's Ghost (1999) HD Full Movie Free on SolarMovie. Watch Scooby-Doo and the Witch's Ghost (1999) online free. Scooby-Doo and the Mystery Gang visit Oakhaven, Massachusetts to seek strange goings on involving a ...Scooby-Doo and the Mystery Gang visit Oakhaven, Massachusetts to seek strange goings on involving a famous horror novelist and his ancestor who is rumored be a witch.