Sheldon discovers that a classmate is making money selling video game cheat codes. Ever the entrepreneur, Sheldon decides to start his own business — selling hand-drawn maps for The Legend of Zelda . However, he quickly realizes that supply and demand are not as simple as he thought. Meanwhile, Georgie tries to impress Veronica by confronting her volatile ex-boyfriend, resulting in a literal "swat on the bottom" from George Sr., who grounds him.