Flight of the Navigator

A twelve year old boy disapears in 1978 reappears eight years later in 1986. During these eight years, David has not aged. When he returns at home, residents have changed. The Police take him to his parents, where he learns that he has been absent for eight years and presumed dead. His brother is now an adolescent. Tests reveal that our hero generates strange cerebral waves. A computer allows to transform these signals in images...