Leonard: Obviously, when I saw that you were in ours, I went and used another one.
Leonard: The gas station across the street.
Sheldon: In your pajamas?
Sheldon: Without shoes?
Sheldon: On a cold winter's night?
Sheldon: Seems unlikely. Did you bring your asthma inhaler?
Leonard: Uh, uh, uh. Yes, I did!
Sheldon: Well, then, I guess it's plausible.