"Kindergarten Cop" is a 1990 comedy film directed by Ivan Reitman and stars Arnold Schwarzenegger as John Kimble, a tough police detective. He goes undercover as a kindergarten teacher to catch a drug dealer, whose ex-wife has taken their son to a school in Oregon. The film combines action and humor as Kimble navigates the challenges of teaching young children while trying to maintain his cover. The story highlights themes of family, responsibility, and the unexpected joys of working with kids, making it a memorable film for audiences of all ages.