Goof: In this episode, Goran Visnjic wore a boot to protect an injury to his left foot. It's visible in the opening sequence in the chair area.
Charlie: You never knew your dad?
Charlie: That's too bad.
Pratt: I don't let it bother me.
Charlie: I'll bet it bothers him.
Kovac: Hey, Pratt, can you spare Jane?
(Kovac hands Jane a clipboard)
Kovac: Document everything we do at the time we do it.
Jane: Isn't that usually a nurse's job?
Sam: There's a nursing shortage, Jane. Haven't you heard?
Sam: And I got a real winner for you: belly pain with combustible breath.
Pratt: (points to Charlie in waiting room) You talking about that creepy homeless guy?
Sam: "Creepy," I'll give you, but I don't think he's homeless.
Pratt: How about we wait till he sobers up? I'll be home and in bed by then.
Sam: He needs to be examined, Pratt.
Kovac: I'll take care of it.
Kovac: How long has he been here?
Sam: Oh, about two hours. He thinks he's in an airport or something.
Kovac: He's altered?
Sam: Yeah, a little.
Pratt: If you ask me, we need to have one line for legitimate patients, another line for all the rest.
Sam: Yeah, well, good thing nobody asked you.
Pratt: So, what were you in for?
Charlie: A mistake.
Pratt: What, you mean you weren't framed? (pauses) What kind of mistake?
Charlie: I killed a guy.
Pratt: Oh yeah? For what?
Charlie: For asking too many damn questions, that's for what!
Charlie: I never believed in God. That might bite me in the ass how, huh?
Kovac: God will get over it.
Pratt: You know what? It's Friday. I don't do lost causes on Friday. It's a religious thing.
Woman: Who do I have to screw to get some help around here?
Sam: Find an intern. They're always hard-up.
Pratt: You like riding me, don't you?
Kovac: I don't think I do.
Pratt: Ever since I was an intern, you've been on my back.
Kovac: Maybe a couple of times.
Kovac: You're good, Pratt. But I think you could be better.
This is the first episode of the series not to feature any original cast member.
A 48 continuous minute "rough cut" version of the episode was distributed to the press prior to airing. It contained no commercial breaks and had some additional footage, including a scene where Charlie tells Kovac what to do with his body once he dies.
The scenes in which Charlie hallucinates that he is in a train station were filmed in Los Angeles's Union Station, one of the city's architectural masterpieces.
Ray Liotta's portrayal of Charlie Metcalf garnered him an Emmy Award in the Outstanding Guest Actor in a Drama Series category.
This episode takes place in real time, with all 44 onscreen minutes depicting 44 continuous minutes in the ER. Because of this, the theme song is not played; the opening credits begin about 90 seconds into the episode and run over the action.
Music: "Out of Time," The Rolling Stones
Ray: There is such a thing as a free lunch, my friend.
This is a reference to the phrase "There's no such thing as a free lunch," which implies no one can acquire something without giving up something else.