Omicronian Invasion of Earth . The appearance of the Omicronian ships, and their destruction of landmark buildings, parodies the Destroyer saucers that attack Earth in Independence Day . [ edit ] Additional Info [ edit ] Appearances "When Aliens Attack" (1ACV12) "The Problem with Popplers" (2ACV15) "Love and Rocket" (4ACV03) "Lrrreconcilable Ndndifferences"