Parents learn from this episode that sending kids to any room other than their own rooms for time-out is more effective to where they do not have access to toys or things they like and have time to think about what they've done. The boys are each sent into the family's guest bedroom (presumably for wherever the grandparents would sleep if they visited) using the Naughty Room technique.
This is the first episode where one of the kids is seen running away from home and getting lost, much to the parents' concern for their disappearances.