Disney sci-fi comedy starring a very young Kurt Russell as Dexter Riley, a student at Medfield College. The college is in need of a new computer, and the students convince rich businessman and college benefactor A.J. Arno (Cesar Romero) to donate one to the school. But when the computer arrives it promptly gets struck by lightning, and when problem kid Dexter tries to repair it, it imprints its hard drive on his brain. He soon finds himself in trouble when Arno realises that Dexter now knows all about his illegal gambling operations. Can Dexter's classmates rescue him from Arno's evil clutches?