After capturing the good witch, the villainous King Gnome creates havoc throughout Oz as he needs Dorothy's ruby slippers to take control of the Emerald City. So, it is up to Tom and Jerry to save the land of Oz!

After a deadly storm, Tom and Jerry find themselves stranded on an unknown island ruled by the evil Wizard of Oz. As they try to find their way back home, they worry for their master Dorothy's safety.