Quote from Adrian Monk in Mr. Monk and the UFO
Natalie: While I was at the library, I did some research on U- You know. Adrian Monk: UFOS. Natalie: Right. And they said it's usually swamp gas. Adrian Monk: Yeah, you could be right. Except we're 3,000 miles from the nearest swamp. I think I was just tired and seeing things. Natalie: Yeah, that's what I think.