When Sheldon meets Dennis, a 15-year-old physicist who is clearly much brighter than he is, his confidence is so badly shaken that Leonard agrees to help him discredit the precocious teenager's research.
Addie Singer looks forward to unveiling her new image on the first day of seventh grade.
Samantha bumps into a former boyfriend of hers while on a walk, who then proceeds to run away from her; Samantha later learns from Andrea that he has a restraining order against her; Samantha feels the need to reconnect with her father.
Addie draws up an honesty policy for her friends.
Mr Ward assigns every student to a new clique as part of a class assignment.