Families can talk about whether or not they think slapstick violence is funny. Is it ever appropriate to laugh when someone gets hurt?
With younger kids, parents may also want to discuss the steps they should take in the event they ever do get left alone, especially if they sense they're in danger.
In the film, Kevin decides to take on the burglars himself and wins. Instead of attempting to foil them on his own, how could he have sought help?