Dorothy Meets Ozma of Oz is a 1987 directtovideo animated short film introduced by Michael Gross of Family Ties. It is based on Ozma of Oz by L. Frank Baum.
As the Wheelers try to attack Dorothys friends, Princess Ozma appears and orders them to halt. Dorothy approaches and introduces herself. Eventually, the Wheelers apologize for the behaviour and promise not to do it again. They explain that Toto was headed towards the land of the Nome King. Upon being reunited with her old friends, Dorothy is introduced to TikTok and Hungry Tiger and Ozma explains that they are on their way to rescue the Queen of Ev and her ten children from the evil Nome King and his Magic Belt.Suddenly the travelers come upon a metallic giant with a hammer. They manage to pass under the giant and are eventually greeted by the Nome Kings Rock Fairies. Upon hearing Dorothys plea, the Nome King allows them to enter. Ozma introduces herself and demands the Nome King release the Queen of Ev and the ten children. The Nome King explains that he changed them into ornaments and set them in his treasure room. He then offers them a chance to rescue the Queen and her children. They had to touch an ornament to which they believed were the Queen or her children if they were right, the Queen and her children would be restored but if they chose wrong, they would be transformed into ornaments themselves. As the Nome King takes the travellers into his treasure room, Billina stays behind under the throne. ........
Source: Wikipedia