Gimme a Break! (1981) : 1x8

Julie wants to join Katie's club, and gets help from Nell and Katie on how to be cool, sitting, and dancing. When she shows up to Katie's group of friends, she totally messes up, as they ask her several questions about personal experieces such as kissing and virginity, and she is rejected into the club. In the end, she says she only wanted to be in the club because of the jacket they get, but cries hystericolly, because she knows she cannot be like Katie and her friends. Katie decides in the end to quit the clique that she is in, and decides that she and her sister need to stick together.