Uncle Albert Alert Uncle Albert sends Shaggy and Scooby a message revealing that he has been working undercover for Phibes all along. Phibes soon learns that there is a mole in his organization and plans to expose the person. After finding their uncle, the duo face an even bigger challenge as Phibes escapes and launches the self-destruct mechanism of his lair. Shaggy and Scooby rescue Uncle Albert as well as the agents trapped inside the lair, with Scooby using a "Hyper Speed Scooby Snack" given by Uncle Albert.