In the quaint town of Oakey Oaks, a wave of uncertainty and chaos washes over the citizens when Chicken Little, a small but brave character, rings the schoolbell in a panic, declaring that the sky is falling. Drawing the curious townsfolk to the village square, he shares a bizarre tale about how a piece of sky, shaped ominously like a stop sign, fell and struck him on the head. However, amidst the gathering, the only evidence of such a phenomenon seems to be a scattering of acorns on the ground. Buck Cluck, Chicken Little’s father, skeptical and somewhat dismissive, theorizes that it was merely an acorn and suggests his son might have overreacted, leading to an apology for what he labels as a false alarm. Despite his good intentions, the townspeople do not easily forgive Chicken Little for his claims.

Fast forward a year later, and the repercussions of that fateful day continue to haunt Chicken Little. He faces relentless ridicule and isolation at school, his friends—Abbey Mallard, a quirky “ugly duckling,” Runt of the Litter, and Fish out of Water—try to support him through the daily trials. During a particularly challenging game of Dodge Ball, tension escalates when Foxy Loxey and her associate Goosey Loosey bully Chicken Little. In a moment of disorder, Chicken Little accidentally triggers the fire alarm, leading to an embarrassed trip home as his father comes to pick him up.

Despite the disappointment he senses from his father, Chicken Little yearns to make Buck proud, and thus he joins the school baseball team. Yet his dreams are momentarily dashed when Foxy Loxey rises to stardom as the team’s champion, helping propel them to the season’s climactic game. With the pressure mounting, Chicken Little finds himself called to bat, facing the overwhelming jeers of his peers. With surprising finesse, he hits the ball, leaving the opposing team stunned. This triumph blossoms into genuine pride from his father, a moment he has longed for.

That evening, a serendipitous yet alarming event occurs as Chicken Little gazes at the night sky. Suddenly, a star appears to plummet into his room, only for him to discover that it is indeed—surprisingly—another piece of sky, distinctively resembling that infamous stop sign. His heart races as he invites his friends over, and they realize that the object mirrors its surroundings, showcasing unusual properties. The ingenious Fish out of Water discovers a button that causes the object to hover. Without hesitation, Fish hops on it, taking flight into the sky.

Adventure beckons as Chicken Little, Abbey, and Runt follow Fish’s delightful antics to the baseball field, where they encounter an astonishing sight: an alien spacecraft. With curiosity piqued, they bravely venture into the spacecraft, only to find alien beings emerging, adorned with tentacles and three glowing eyes. In the midst of their exploration, Chicken Little stumbles upon a very peculiar orange mass with an eye, which quickly transforms, sprouting additional eyes and limbs—sneaking after them like an unwanted shadow.

As the group presses on, they ultimately locate Fish, but the stakes are raised when Runt discovers a chilling map of their galaxy, revealing multiple planets marked off—Earth being the next destination! In a frenzied rush, they seek an escape from the imminent danger posed by the tentacled aliens who now pursue them. The group hastily navigates through Oakey Oaks, aiming to ring the schoolbell as a warning to the townsfolk. Yet, when Chicken Little reaches the bell, fear grips him; memories of his past humiliation resurface, making him reconsider.

But hearing the urgent pleas of his friends as the alien threat closes in helps him conquer his fears. With resolve, he rings the bell, its echo compelling the aliens to retreat to their ship momentarily. Gathered townspeople soon follow Chicken Little, Abbey, and Runt to the baseball field, only to find no sign of the extraterrestrial visitors. Buck arrives on the scene, and the townsfolk’s earlier admiration for Chicken Little’s athletic victory is overshadowed once again by their annoyance, leading to another instance of doubt regarding Chicken Little’s claims of an actual alien encounter. Despite the mounting skepticism from his father, Chicken Little stands resolute, determined to prove that this time, his heart-stopping adventure is indeed genuine.