The Great Ball Game King Fussifuss is in trouble when the crown trophy goes missing. Without the trophy the great ball players who populate the land will turn against him and his kingdom will be lost to his evil step-brother. Waldo and Woof are on the case. The two traveling companions follow a trail of riddles and clues to find the crown trophy. Waldo dodges ball-players, jumps down the giant ball pit, navigates the "maze of no return", meets monsters and weirdos, rides a balloon, and still manages to stays one step ahead of Odlaw. Waldo races to unravel the mystery before the final ball game finishes, and the players discover the trophy is gone. He even gets involved in the sports himself when he helps win the giant tie-breaking game for the missing trophy.