"Smart & Smarterer" is the eighteenth episode of The Suite Life of Zack & Cody.
Cody gets a good grade and Zack gets a bad grade in school and Carey threatens Zack that he will have to go to summer school if he can't keep his grades up. However, after he finds out that Bob gets more time to complete tests because he has dyslexia, Zack pretends that he has dyslexia too. Mr. Moseby loses his voice, causing havoc in the hotel. London and Maddie play chess but London keeps winning so they keep playing until Maddie wins. When she can't, London eventually lets Maddie win. Esteban helps Moseby get his voice back by giving him a special treatment and Zack is punished for being lazy and lying to his teacher and Carey about dyslexia and is forced to do extra homework as his punishment.
- Charlie Stewart as Bob, Adrian R'Mante as Esteban Ramirez
- This is the first appearance of Bob and Mr. Forgess.
- Carey tells Zack that he will have to go to summer school if he doesn't keep his grades up and Mr. Forgess telling Zack that he is lazy, foreshadowing Zack finding out that he is unable to graduate from 8th grade, due to failing English in "Graduation" and going to summer school in "Summer of Our Discontent".