The Citadel Aladdin : Season 1 Episode 43

Agraba is plagued by a flying dragon and a serpent named Xerxes, but those are only meant as a test, which indicates Aladdin as the hero required for the purpose of their master, the sinister sorcerer Mozenrath, who forces him to come to his magical kingdom in the black sands, where he has overpowered the previous king, whom even mighty Jafar feared, and reduced him to one of his mamluks (undead skeleton slave-soldiers). Aladdin must help Mozenrath by putting a magical collar on the neck of a tirbac, a magical monster which swallows all magical beings, and therefore chases both his flying carpet and Genie...