Shaggy & Scooby-Doo Get a Clue! (2006)

S1E1 Shags to Riches

When Shaggy's uncle mysteriously vanishes, he inherits a fortune, prompting Shaggy and Scooby-Doo to investigate the mansion left behind. As they explore the grand estate, they come across some of his bizarre inventions. During their search, Shaggy discovers a note revealing that someone is attempting to steal his uncle's latest creation, forcing him into hiding. With a new mystery on their hands, Shaggy and Scooby set out to uncover the truth and protect the valuable invention.