E.T. the Extra-Terrestrial (1982)

"He is afraid. He is alone. He is three million light years from home."

Overview

An alien is left behind on Earth and saved by the 10-year-old Elliot who decides to keep him hidden in his home. While a task force hunts for the extra-terrestrial, Elliot, his brother, and his little sister Gertie form an emotional bond with their new friend, and try to help him find his way home.