This episode from the first run of Futurama - “The Cryonic Woman” - contains possibly the best joke ever about Los Angeles.

Fry: So you’re saying these aren’t the decaying ruins of New York in the year 4000? 

Professor Farnsworth: You wish. You’re in Los Angeles. 

Fry: But there was this gang of ten-year-olds with guns. 

Leela: Exactly. You’re in L.A. 

Fry: But everyone is driving around in cars shooting at each other. 

Bender: That’s L.A. for you. 

Fry: But the air is green and there’s no sign of civilization whatsoever. 

Bender: He just won’t stop with the social commentary. 

Fry: And the people are all phonies. No one reads. Everything has cilantro on it…