Stephen King's It

Stephen King's It is based upon his novel of the same name. The story is about a foreign life form on Earth that has the ability to transform itself into its prey's worst fears thus exploiting all phobias that the prey has. For most of the movie the life form takes the form of a sadistic clown in which a set of outcast teenagers vow to destroy the life form. The kids are successful but are later called back to their town as adults in order to rid the town of the clown once more.