When an acorn falls on a happy-go-lucky chicken's head he begins to panic and spreads the word that the sky is falling down, much to the amusement of the town's locals who are quick to prove him wrong. The little bird decides to keep his ideas to himself in future, only to hear warning of an alien invasion which could turn his prediction into reality. Disney animated adventure, with the voices of Zach Braff, Garry Marshall and Joan Cusack