The Return of Dogtanian - Season 1 Episode 22 A Terrific Surprise
Overview: The King charges the Muskehounds with the task of catching the mysterious masked man in black. For his part, Richelieu suspects the Muskehounds; the masked man could be another Pedigreen Hood and be a friend of Dogtanian; after all, Dogtanian did not capture him at the banquet.