A Frightened Hound Meets Demons Underground
- Episode aired Nov 13, 1976
- 1h
Scooby and the gang solve the mystery of the red, hissing demon menacing a Seattle construction site; Blue Falcon and Dynomutt battle the Swamp Rat.Scooby and the gang solve the mystery of the red, hissing demon menacing a Seattle construction site; Blue Falcon and Dynomutt battle the Swamp Rat.Scooby and the gang solve the mystery of the red, hissing demon menacing a Seattle construction site; Blue Falcon and Dynomutt battle the Swamp Rat.