Futurama Episodes

When the Planet Express crew lands on a previously undiscovered plant, they find that it is covered in a new and delicious animal life form which they call “popplers”. These edible and highly addictive “popplers” soon become a new business venture for the crew as Earthlings just can’t seem to get enough of these delicacies. The dreaded Omnicrons reveal just what these “popplers” actually are, and seek restitution for Earth’s “poppler” consumption.
wikipedia.org summary:
The crew discovers an irresistible source of food on a distant planet, and brings it back to Earth to be sold at the Fishy Joe’s restaurant chain. But when it’s discovered that the so-called “Popplers” are actually Omicronian babies, the Omicronians demand recompense.
imdb.com summary:
The Planet Express crew discovers a delicious snack food on a remote planet, but Leela has a change of heart when she discovers a disturbing fact about the snack food that endangers Earth.