A creature called The Hodag of Horror attacks Crystal Cove. Meanwhile, Brad Chiles and Judy Reeves (Fred's real parents) have suddenly appeared along with a dog named Nova whom Scooby has taken a fancy to.
Judy Reeves is Fred's biological mother, Judy reeves was one of the original team members of the Old Mystery Incorporated. She conceived a child Fred with Brad Chiles,at a young age Fred was kidnapped by Mayor Jones forcing Judy and Brad to leave Crystal Cove. Now mysteriously she is back in Fred's life...
Scooby Dooby Doooo!