If You Really Knew Me is an American reality television series which airs on MTV that focuses on youth subculture and different cliques in high schools. Students from each clique participate in Challenge Day, which is a program designed to break down stereotypes and unite students in schools. At Challenge Day, students from all walks of life gather together in one room. Then each student is assigned to a group where they must reveal something personal about themselves. It's at this point where each student begins their dialogue with the words "If you really knew me..." The goal of Challenge Day is to demonstrate to students the possibility of love and connection through the celebration of diversity, truth, and full expression. The show will focus on Challenge Day in various high schools. The series premiered on July 20, 2010 on MTV..