The episode focuses on the Planet Express crew discovering what they think is fast food they call "Popplers," but they turn out to be the young of the Omicron aliens, and the Omicronian leader Lrrr seeks revenge.
They land on a planet in search of food, finding that it abounds in a delicious edible life-form, which they call "Popplers."
The warlike natives of Omicron Persei 8, led by Lrrr, arrive to seek justice for humans devouring billions of their young.
The Omicronians are initially fooled because they have difficulty recognizing individual humans; however, hippie Free Waterfall Junior exposes the sham to protect "one of Mother Earth's most precious creatures".
The episode ends with the Planet Express Crew eating a smorgasbord buffet of unintelligent animals, including a suckling pig and a dolphin who wasted all his money on instant-lottery tickets.