Continuity: In the beginning of the film John and Detective O'Hara are driving. She suddenly gets really sick, so John stops the car so she can get out. She runs and then throws up. When she comes back to the car she trips on a log that was never there before.
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Mistakes
On Kimble's first day as the kindergarten teacher, he's wearing a white shirt with jeans and a jacket. When he shows up the next day and is talking with the mother of one kid, he's wearing a maroon shirt with khakis. They then cut to the kids doing the pledge of allegiance, then to the kid eating everybody's lunches. In that shot Arnold is wearing the white shirt, jeans, and jacket. But then, they cut to "Who is your daddy, and what does he do?" sequence, and Arnold is back in the maroon shirt and khakis. It seems the "Lunch-box kid" part was in the wrong spot. See more...
Trivia
When the cop is looking for the little kid, he runs into the kid's room, and his pillow and bedsheets are "Ghostbusters" themed. The director of this film,Ivan Reitman, directed "Ghostbusters." See more...
Kindergarten Cop (1990)
Directed by Ivan Reitman, starring Arnold Schwarzenegger, Penelope Ann Miller (add more)
Kindergarten Cop mistakes
Visible crew/equipment: When Mrs. Sullivan pulls up along the road, three crewmembers pushing the camera along are beautifully reflected in the side of her car.
Continuity: After Kimble walks in on Phoebe and Henry in the bedroom, the positions of the pillows change (in one shot a pillow falls of the bed, but is back on in the next), and the sheet of paper move around the bed sheets too.
Kindergarten Cop trivia
Ivan Reitman put his son, Jason Reitman, and daughter, Catherine Reitman in the film. Jason is the boy making out with the girl during the fire, and Catherine is one of the third grade students.
In most of Ah-nold's films he usually says the phrase "I'll be back." In this film, towards the end when he decides to be a teacher, he says "I'm back."
In the scene where Arnold meets his lady partner before getting on an airplane, she asks him where he is from and he says Austria, which is where he really is from.