Opposites Detract

Aladdin, Genie, Iago, Abu and Carpet travel to the far eastern city of Pei Ling, but not before rescuing a young youth, Zin, who fainted in the desert. Upon arrival, they find the town destroyed. Unbenownst to Aladdin and the gang, Zin is forced every night by his evil twin brother Zang to turn into a dragon, who used to be the city's protector, who destroys the town. Once Aladdin learns of this, it's up to he and the others to stop the dragon's destructiveness, and convince Zin to ward off his evil half.