Scooby-Doo! Mystery Incorporated (Scooby-Doo! Gizem Avcıları) 1. Sezon 23. Bölüm (A Haunting in Crystal Cove)

When Fred's dad is being attacked by an unknown shadowy figure it's up to Scooby and the gang to get to the bottom of the mystery. Will they be able to, or will Fred have to give up mystery solving forever? And what does the puzzle piece Fred's dad possesses have to do with it all?