Russian general have to find and bring back to St. Petersburg girl claiming her right to the throne...
What's New Scooby-Doo? Vol. 3: Halloween Boos and Clues
Scooby-Doo: Mystery in Motion
What's New Scooby-Doo? Vol. 10: Monstrous Tails
Scooby-Doo! and the Safari Creatures