Sam: Hold up. Are you the new Bobby?
Dean: You shut your mouth.
Dean: You shut your mouth. What?!?
Dean: I was in Purgatory.
Garth: Like the Purgatory Purgatory?
Dean: No, the one in Miami.
Garth: Man, that's balls
Dean: That's not how you say "balls."
Dean: What, you--you were a dentist?
Garth: Yeah, just for, like, for a hot minute. Where'd you think I got my first case?
Dean: Let me guess--Tooth Fairy.
Garth: Yeah. Man, I felt terrible when I ganked that SOB.
Sam: Uh, you killed the Toothy Fairy?
Garth: Yeah, man. I mean, not my proudest moment, but it happened.
Dean: So first the mom goes Natural Born Killer, and now the son? Well, what do we got--a ghost with an Oedipus complex? (Sam stares) I don't know what that means.
Music: Fell on Black Days (Soundgarden)
Canada: November 11, 2012 on SPACE
Australia: November 19, 2012 on Eleven
Norway: December 20, 2012 on FEM
UK: July 17, 2012 on Sky Living
Finland: October 16, 2014 on Sub
Dean: Hey, Chuck Norris.
Along with Garth posing as a Texas Ranger, referencing Walker, Texas Ranger, a popular CBS TV series that ran nine seasons on CBS. Chuck Norris plays Cordell Walker, a high-kicking martial arts expert and modern-day Texas Ranger.
Garth: Even if there was any sulfur, Barney Fife and his crew probably contaminated the whole crime scene and any evidence that was here with it.
Referencing the bumbling but good-hearted deputy played by Don Knotts on The Andy Griffith Show from 1960-1968.
Dean: So first the mom goes Natural Born Killer, and now the son?
Referencing the 1994 movie Natural Born Killers. Mickey and Mallory Knox are a loving couple who go on a killing spree and gain a cult following when their exploits are broadcast by a ratings-hungry journalist.
Dean: Yeah, but not before Casper had a chance to make a run for it.
Referencing the child-ghost created by Joe Oriolo and Seymour Reit in the early 40s. He appeared in early animated films and then was sold to Harvey Comics where he has enjoyed a long career. He has had several TV shows and live-action movies.