The Wonderful Wizard of Oz - Season 1 Episode 37 The Deadly Guessing Game
Overview: The Nome King is prepared to release the Royal Family of Ev if the group play a dangerous game. His magic belt transformed the Royal Family into ornaments in the Ornament Room. The group each only have three guesses to identify which ornament is a Royal. Only a correct guess transforms them back! The friends agree its lucky Bellina is hidden inside Jack's hollow pumpkin head.