The Edge of Oz
As they draw nearer the Gnome King's palace, they encounter a group of evil Rock Monsters.
Aired 01/06/1987EP 35 - The Edge of Oz
1986
The Wonderful Wizard of Oz
Based on The Wonderful Wizard of Oz (1900), The Marvelous Land of Oz, Ozma of Oz, and The Emerald City of Oz (1900-1920) by L. Frank Baum (1856-1919).
(Source: AniDB)