Young Chicken Little throws his small town into panic by claiming the sky is falling. Unable to find the piece of ``sky'' that hit him, he earns the town's scorn. A year later, outcast Little tries to redeem himself by joining the baseball team, helping to win a crucial game. Later that night he is hit on the head again and discovers that the ``falling sky'' is actually from a UFO. Now, Little must convince the skeptical town that an alien invasion is about to happen.