Popplers are a tasty snack which the Planet Express Crew discovered on one of the Omicronian nursery planets. The Crew used their advantage on the market to cut a deal with the Earth fast food restaurant Fishy Joe's. Soon, Humans had eaten billions of the delicacy. However, one of the Popplers soon spoke to Leela. Shocked, Leela begins to protest against the consumption of the most popular food on Earth. In the midst of her "Poppler Rights" movement, Earth is invaded by the Omicronians, who announce that the Popplers are their children. The Omicronians demand to consume one Human for every Poppler eaten -- But there are not enough Humans on Earth. They settle for Leela instead: The first Human to eat a Poppler. But when a Poppler speaks out in defense of the Planet Express Ship Captain they devour a penniless hippy, Free Waterfall Jr.