The Monkey Prince (1996)

"The Oz Kids have a mysterious riddle to solve!"

Neddie (Dorothy's son) programs a computer belonging to the Wizard's son, Frank, to take him and Toto 2 to China. Once there, they are met by the Monkey Prince who steals the computer. Unless the other Oz Kids can find them, Neddie and Toto 2 will never get back to Emerald City!