Gretchen explains the rules of the lunch table to Cady. The rules cover how each member of The Plastics should behave and dress on different days of the week. If an individual doesn't follow the rules, then that person will not be able to sit with The Plastics at lunch that day.
Chuckie bikes with new friends to try and fit in with them. He falls into a mud pit, and all the kids think he is cool for being so brave. Chuckie realizes he does not want to hang out with these kids and goes back to his real friends.