Chicken Little's troubles begin when he is rouses his town with the panicked cry of "THE SKY IS FALLING!" The town residents believe an acorn simply hit him on the head and Chicken Little is crushed when his father won't believe him either. A year later, the 'acorn incident' still lingers and just when Chicken Little starts to turn things around, the sky falls again... this time a chunk of it landing in his bedroom. Now Chicken Little must decide whether to keep his mouth shut about this crazy oddity or step up and save his town from an army of invading aliens...