Lucifer: Castiel, right? Castiel. I'm told you came here in an automobile.
Castiel: Yes.
Lucifer: What was that like?
Castiel: Um, slow. Confining.
Lucifer: What a peculiar thing you are.

Dean: Okay, and why exactly would you want the Devil dead?
Crowley: It's called survival. But I forgot you two are at best functioning morons.
Dean: You're a functioning... morons... moron.

Sam: Oh, hey, Chuck, look. If you really want to publish more books, I guess that's okay with us.
Chuck: Wow. Really?
Sam: No, not really. We have guns and we will find you.

Look, Sam, I'm not going to lie. We had undeniable chemistry. But like a monkey on the sun, it was too hot to live.

Becky

Uh, no, there's really no such thing as a Croatoan Virus for... down there. You really should see a doctor.

Chuck

So what does the future hold for Sam and Dean? Well, uh, how do you feel about angels? Yeah. you know, because let me tell you, they're not nearly as lame as you think.

Chuck

Dean: Well, you sure look lovely tonight. Especially for a dead chick.
Latisha Actress: Buddy, I have heard that line 17 times tonight, okay? And all from dudes wearing MacGyver jackets. But you seem different.
Dean: How so?
Latisha Actress: Well, you don't seem scared of women.

Con Manager: Welcome to the first annual Supernatural convention. Uh, at 3:45 in the Magnolia Room we have the panel "Frightened Little Boy to Secret Life of Dean." And at 4:30, there's the "Homoerotic Subtext of Supernatural." And of course, the big hunt starts at 7 p.m. sharp.

You sorry sons of bitches. Why do you think you two are the vessels? Think about it. Michael, the big brother, loyal to an absent father. And Lucifer, the little brother, rebellious of daddy's plan. You two were born to this, boys! It's your destiny. It was always you. As it is in Heaven, so it must be on Earth. One brother has to kill the other.

Trickster

Dean: Ally with the Trickster?
Sam: Yeah.
Dean: A bloody, violent monster... and you wanna be Facebook friends with him? Nice, Sammy.

Dr. Piccolo: Doctor, seriously.
Sam: What?
Dr. Picolo: Seriously, you are brilliant, you know that, and a coward. You're a brilliant coward.
Sam: Uh, what are you talking about?
Dr. Picolo: As if you don't know.

Trickster/Gabriel: Where'd I screw up.
Sam: You didn't. Nobody gets the jump on Castiel like you did.
Dean: Mostly it was the way you talked about Armageddon.
Trickster/Gabriel: Meaning?
Dean: Well, call it personal experience. Nobody gets that angry unless they're talking about their own family.
Sam: So which one are you? Grumpy, Sleepy, or Douchy?

Supernatural Season 5 Quotes

Dean: Where's Cass?
Chuck: He's dead. Or gone. The archangel smote the crap out of him. I'm sorry.
Dean: You're sure? I mean, maybe he just vanished into the light or something.
Chuck: Oh, no. He exploded. Like a water balloon of chunky soup.

Dean: Do I know you?
Becky: No, but I know you.