Sheldon doesn't take it well when his university parking spot is reassigned on The Big Bang Theory. "The Parking Spot Escalation" is the ninth episode of the show's sixth season.

The Big Bang Theory Season 6 Episode 9 Quotes

Raj: Okay, here's another one: if a zombie bites a vampire, and the vampire bites a human, does the human become a vampire or a zombie? Or, a zompire?

Sheldon: Lipid residue. An anal autograph. A colon calling card, if you will.
Cleaner: Tuesday okay?