The season seven opening "splatter" is in clown colors.

Dean: Seriously, Frank, Pay phones? Come on, I'm getting the clap off this thing just touching it.

Sam: So, we got dick on Dick?
Dean: That's a vivid way of putting it.

Dean: Bite look a little vampy to you?
Sam: Yeah, no question.
Dean: So what are we looking for? Octo-Vamp? Vamptopus?
Sam: That's crazy, even for us, right?
Dean: Does push the envelope.

Dean: Mom, Dad, nanny. That is a love triangle right out of Casa Erotica. Of course, in those the jealous wife tends to channel her feelings more productively.

Sam: How's business?
Jean Holliday: It turns out not even Grim flippin' Death can slow down the birthday fun.

Sam: Go ahead, say it.
Dean: I'm sorry. You--you look like you got attacked by some PCP-crazed strippers.

Counting Clock:

The ticking countdown clock at the beginning of the commercial breaks is from the TV series 24.

Sam: "If it bleeds, you can kill it."

Sam is quoting from Predator (1987), when Arnold Schwarzenegger tells his men the same thing while hunting the alien.

Dean: Shark Week, man, how do you not watch that?

Shark Week is the Discovery Channel's annual summer marathon of shark-based programs.

Dean: Land Shark, what’s next?

The Land Shark is a recurring character in the early years of Saturday Night Live, voiced by Chevy Chase. It attacks women in their homes by tricking them into opening their doors by pretending to be some kind of door-to-door salesman or deliveryman.

Dean: While you were out being Dirty Harry, uh, Tyler’s mom got pissy with him.

Dirty Harry Callahan is the violent cop played by Clint Eastwood in the five Dirty Harry movies.

Dean: No Iron Giant.

Iron Giant is the main character, a giant alien robot, in the 1999 animated movie The Iron Giant.