Hawaii Five-0, Season 4

[Danno gets wind of Catherine's new job]

Danny Williams:
Law of nature says that if you take a boy rabbit, and you take a girl rabbit, and you put 'em into a cage together over a long period of time, what do you think is going to happen?

Steve McGarrett:
Are you real are you really doing it? Are you really gonna compare Billy and Catherine to rabbits?

Danny Williams:
We're all animals.

Steve McGarrett:
We're not rabbits.

Danny Williams:
But we are animals, and this is my point. It is a fact, after these long nights, long, hardworking nights, bad Chinese food, law of nature says, these two people are going to have a moment

Steve McGarrett:
A moment?

Danny Williams:
A moment.

Steve McGarrett:
A moment.

Danny Williams:
A moment where they look at each other in the eye, and bing, just like that, everything comes back. All those old feelings and you're gonna have nobody else to blame but yourself, because you let her take a job with her ex-boyfriend.