All the customers are scared away by the ghost of Col. Beauregard, who is looking for Magnolia. She believed he stole her priceless emerald necklace, so she refused to marry him all those years ago
The 'Dooby Dooby Doo' Ado: The gang heads to Las Vegas's, Circus A Go-Go, to see cousin Dooby Dooby Doo in concert. It then seems that someone is out to steal kidnap Dooby and steal his fancy collar. Showboat Scooby: The gang heads to the Delta Queen to see Dixie Doo, but the customers are scared away by the ghost of Col. Beauregard, who is looking for Magnolia.