The Land of the Clouds is a location that appears in the Sonic Underground television series. It is an area where the Sonic Underground was trained in teamwork for their involvement in the Resistance.
Soon after completing their training with Gandar, the Sonic Underground were teleported by a magic map to the Land of the Clouds. There, the three siblings soon encountered Thelonious. The monk taught the three siblings how to fight in harmony and how to look out for one another by pitting them against a monster.