Catherine: Definitely a crime of passion.

Grissom: You think a female did this?

Catherine: I could have.

Grissom: I'm scared of you.

Catherine and Grissom are in the break room
Sara: "Grissom can you come and tape me up?"
Grissom: I love my job."
Catherine: "It shows"

Oh. Now, how much time and effort went into this? I'm gonna guess five days a week a the gym, low carb, low fat, slow burn, and for what, Nicky? For what?

The eternal question: Why did the man in the raccoon suit cross the road?

Do you want to suck it? Just to be sure.

Doc: "Her ankles are swollen'' (referring to the corpse)
Catherine: "Well have you ever tried shakin your ass in 6 inch heels?"
Doc: Gives her a funny look
Catherine: "Don't... more

Blood. Coke. Semen. These people were doing everything in this kitchen but cook. '

Gil Grissom: Did you hear the one about the cop and the monkey who walk into a bar?

Catherine Willows: I'm not in the mood.

Gil Grissom: Neither was the monkey.

Catherine: I'm the senior CSI here

Grissom: Uh-uh. I'm the senior CSI here.

Grissom: "I come here for calamari"
Catherine: "Alone?"
Grissom: "No, sometimes I have a beer with it.