While trying their hardest to find something on television that doesn't bore them, Huey, Dewey, and Louie stumble upon a transmission from a Blatismorkian museum security camera and witness the baffling disappearance of a treasured diamond. Their detectives' trail leads them to respected art historian Henry Villanova and a Wonkavision-type device.
Elenco: Pamela Adlon , Pat Fraley , Corey Burton , Jeannie Elias , Tony Anselmo , April Winchell , Kath Soucie , Tim Curry , Brad Garrett , Roger Rose , Elizabeth Daily , Bill Farmer , Rune Alstedt , Eirik Espolin Johnson , Nils-Martin Crawfurd , Siv Klynderud , Nicolay Lange-Nielsen , Erik Skøld .