Sophie Oda

With Leonard away, Sheldon and Penny spend quality time together sharing intimate secrets. Also, Wolowitz helps Raj get over his ex-girlfriend.

Zack and Cody befriend gourmet cook Travis to help impress their dates. Maddie finds a phone she thinks belongs to her imaginary crush, David, but the reality is different.

Cody is graduating top of the class from 8th grade, but Zack's done badly and must attend summer school - a fact he tries to hide from his parents.

Unbeknown to each other, the twins each invite a girl to their father's apartment while he is out. Esteban's family becomes very wealthy, so London teaches him how to be rich.

Cody gets jealous when a famous teenage Russian violinist enrols at their school and flirts with Barbara. London tries to learn the hotel business by shadowing other employees.

London doesn't make the cheer-leading squad, so decides to form her own with Cody and friends. Zack is having some problems with the basketball team's coach, but it all works out.