Chicken Little lives in Oakey Oaks where a piece of the sky falls on his head. Though his father says it's just an acorn and everyone laughs, Chicken Little remains convinced something is wrong. With his friends Abby Mallard, Runt of Litter, and Fish out of the Water, Chicken Little discovers the piece of sky is actually a UFO and aliens are attacking the town. In the end, Chicken Little saves the town and becomes a hero.