Orbit Gnats are creatures that would be fried when they flew too close to the heat shield of ALF's spaceship. A similar fate befell ALF's ant farm when he left it in the attic window. While ALF was not at all concerned with the orbit gnats, he was emotionally crushed when he realized that he had inadvertently caused the death of his beloved pet ants. The Tanners consqeuently prepare a funeral for the ants.
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