Xena: Warrior Princess (1995)

S5E7 Back in the Bottle

Following a prophetic vision, Xena, Gabrielle, and Joxer head back to Chin, where they reconnect with Kao Syn. Together, they face the formidable warlord Khan, who has allied himself with the malevolent spirits of Pao Tsu and Ming Ten, also known as The Green Dragon. Khan possesses the secret to creating a lethal black powder, and the group must stop him before it's too late.