Be Cool, Scooby-Doo! S01 E13 Where There's a Will, There's a Wraith

It's a classic haunted house caper when a rich man, whose life Scooby once saved, writes Scooby into his will! Now, to collect his share of the fortune the gang must spend a night in a creepy mansion along with the rich man's kooky relatives and a spooky phantom!