The Planet 51 movie opens like most of the 1950 's era science fiction motion pictures. You see a boy and girl alien from the Planet 51 sitting in a drive in viewing a film, when all of a sudden an alien appears. This stranger is known by the Planet 51 occupants as the Humaniacs and its mission is to goal the life on Planet 51 or to transform the Planet 51 people into zombies. The humaniac stalks the Planet 51 boy and girl and leads you to think it either think them or think them into zombies. At the height of this scene of the Planet 51 movie you realize that what you are actually watching on screen is a movie and a little boy is sitting in the cinema watching it, until his mother pulls him out of the theater.
Later on that day the inhabitants of Planet 51 hear a booming sound. Lem, as most people come from Planet 51 out from their houses. Lem sees a strange rocket, which they refer to as a flying saucer, ming down and land land on Planet 51. It lands and out strides Chuck the spaceman (from Earth, you can tell, because he appears quite human). The Cosmonaut is unaware that the Planet 51 residents are there behind him. Chuck steps off his lunar module and after placing the flag on Planet 51 soil planting on a rubber ducky. The Cosmonaut unknowing of know Planet 51 has life on it. He surveys the Planet 51 inhabitants and screams. Chuck rushes around and hides. During one part Chuck is trying to run away and falls and behind him you see the moon. The Cosmonaut goes up over the moon. This is an acknowledgement of the film ET the extraterrestrial. Chuck goes under cover and then the military shows up up checking out Chuck 's rocket. The military is commanded by General Grawl who does not want any Martians to come to his Planet 51 and he has no want to be transformed into a zombie.
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