When Chuck the astronaut (Dwayne Johnson) lands on a distant planet filled with little green people, he is surprised to discover that we are not alone in the galaxy. But he gets the shock of his life when the residents of Planet 51 mistakenly believe that his presence is the start of an alien invasion of the human kind! Luckily, Lem (Justin Long) quickly realizes that Chuck is friendly and makes it his personal mission to help him return safely to his ship.
Jessica Biel,Seann William Scott,Justin Long,Gary Oldman,John Cleese,Dwayne Johnson
The beings on Planet 51 are forever fearful of an alien invasion. Their worst fears are realized when an astronaut from Earth arrives.