My Three Suns

S1 E7: The crew visits a planet inhabited by liquid aliens. Fry, after delivering a package under the scorching heat of the planet's three suns, finds a bottle of cool blue liquid to quench his thirst. But when that liquid turns out to be the civilization's ruler, Fry finds he has become the new leader. Initially drunk with power, he soon discovers his life is in danger and must turn to his friends to help him dry out.