From The Big Bang Theory Wiki
A language that Sheldon speaks, at least a bit.
- In Jerusalem Duality, Sheldon want to creat a "Nuevo Jerusalem" in Mexico desert. "Nuevo" is the Spanish for "new". Also, Sheldon deliberately pronounces "j" and "r" in "Jerusalem" in Spanish way. However, Sheldon seems to ignore that the Spanish for "Jerusalem" should actually be "Jerusalén" when he end this word with an "m".
- He is able to communicate with the Lunch Lady and convince her to join his Physics Bowl team. However, he does not understand whether she will bring her son or her butcher as the fourth member of the team (0113).