Emily is ready to pack up and leave Burkitsville on short notice and depart for Boston. But there's no indication of how she's going to survive. She's been working as a glorified gas station attendant with her aunt and uncle, by all indications has no other means of support, and the townsfolk are hardly going to cooperate to let her liquidate any of her relatives' assets.
The Winchesters seem curiously satisfied with the outcome of their adventure. With the Vanir dead, Burkitsville shouldn't suffer any worse than the surrounding towns. Which seems a small price to suffer for having murdered two people a year for centuries. But even if the townsfolk are going to suffer along with their town for hundreds of murders... what about the professor? He clearly doesn't live in Burkitsville, and he appears knowledgeable enough that he may be the town's resident expert on their god. But at the end he gets off scot-free, and the brothers don't care.
The townsfolk fail to "fatten up" Emily and Dean by giving them a final meal, which means that the ritual would fail anyway.
When Dean is walking towards the door after talking to the college professor, you can see a camera move with Dean in the top left corner of the screen.
When Sam and Dean are arguing in the car, Sam states that its been six months since Jess died. If it had been six months, it wouldn't be the second week of April, it would be close to Sam's birthday, the first week of May.
There is no Burkitsville, Indiana.
When Meg kills that older man at the very end, she uses that chalice to gather the blood. The way it was positioned on the man's neck, under the cut, the blood would have hit the edge of the chalice and maybe even run down the outside. The edges were all clean. Even the edges on the inside were too clean.
When Harley is pointing the gun at Sam, Dean, and Emily, it's held in front of his chest. However, when the scarecrow stabs him through the chest, the gun disappears (presumably so the cameramen and F/X people could clearly show the blade emerging from his chest).
Trivia: The names in Dean's cell phone are: Bren, Carmelita, Christian, Curtis, Dad, Robin, and Sam. In Sam's phone the names are: Rebecca Warren, Jerry, John Marcynuk, Dean, and Mary Ann Liu.
The scene with Sam and Dean on the phone with John takes place at the end of "Asylum" and picks right back up in "Scarecrow." However, you can tell the scene was re-filmed. The covers on the beds are different. "Asylum" shows tan sheets and a red blanket, "Scarecrow" has both tan sheets and blankets. The pillows are stacked differently. Also, both Sam and Dean are in different positions in their beds from the end of "Asylum."
The trees in the orchard are not apple trees, they are in fact hazelnuts. Also, there were baskets of apples at the bases of the trees, implying that harvest was occurring. Apples are ripe in the fall, not April.
At the end, Emily tosses the flaming branch at the First Tree and is very close – within arms' reach. In the next several shots they're close to the tree, standing still. But then the camera cuts to a long shot from the rear and they've suddenly jumped much further back.
Meg: Here's to us. The food might be bad and the beds might be hard, but at least we're living our own lives and nobody else's.
Dean: All right, look, I know how you feel.
Sam: Do you? How old were you when Mom died? Four? Jess died six months ago. How the hell would you know how I feel?
Dean: Dad said it wasn't safe for any of us. But he obviously knows something that we don't. So he says to stay away, we stay away.
Sam: I don't understand the blind faith you have in that man. I mean, it's like you didn't even question him.
Dean: Yeah, it's called being a good son! You're a selfish bastard, you know that? You just do whatever you want. Don't care what anybody thinks.
Sam: That's what you really think?
Dean: Yes, it is.
Sam: Well, this selfish bastard is going to California.
Sam: So, Dad is sending us to Indiana to go hunting for something before another couple vanishes?
Dean: Yahtzee. Can you imagine putting together a pattern like this? All the different obits Dad had to go through? The man's a master.
Sam: You trust shady van guy and not me?
Dean: I'm actually on my way to a local community college. I got an appointment with a professor... you know, since I don't have my trusty sidekick geek boy to do all the research.
Dean: Sam, you were right, you gotta do your own thing, you gotta live your own life.
Sam: Are you serious?
Dean: You've always known what you want and you go after it. You stand up to Dad, and you always have. I wish... Anyway, I admire that about you. I'm proud of you, Sammy.
Sam: I don't even know what to say.
Dean: Say you'll take care of yourself.
Sam: I will.
Bus Station Clerk: Sorry, but the Sacramento bus doesn't run again til tomorrow, 5:05 p.m.
Sam: Tomorrow? There's got to be another way.
Bus Station Clerk: Well, there is. Buy a car.
Dean: Hold me, Sam. That was beautiful.
Sam: You should be kissing my ass--you were dead meat, dude.
Dean: Yeah right. I had a plan-- I'd have gotten out.
Dean: Scotty, you got a smile that lights up a room. Anyone tell you that? (Scotty stares blankly) Ah, never mind.
Sam: The scarecrow climbed off its cross?
Dean: Yeah, I'm telling you, Burkitsville, Indiana--fun town.
Emily: I don't understand. They're going to kill us?
Dean: Sacrifice us. Which is, I don't know, classier I guess.
Emily: So what's the plan?
Dean: I'm working on it.
(several hours later)
Emily: You don't have a plan, do you?
Dean: I'm working on it…
Dean: How'd you get here?
Sam: I, uh... stole a car.
Dean: That's my boy!
Dean: Dude, you fugly.
Dean: I hope your apple pie is freakin' worth it!
The contact names in Sam's phone are member of the crew or past characters. Rebecca Warren is the name of the girl the brothers helped in season 1 "Skin". John Marcynuk is this episode art director and Mary Ann Liu is a graphic designer.
This is the first episode to feature the episode title on-screen.
Denmark: March 19, 2006 on TV3
Portugal: December 18, 2006 on AXN
France: February 5, 2007 on TF6
Italy: April 17, 2007 on RaiDue
Germany: January 14, 2008 on ProSieben
The Netherlands: September 14, 2008 on NET5
Music: Bad Company by Bad Company, Lodi by Creedence Clearwater Revival, Puppet by Colepitz
Dean: Hi, my name's John Bonham.
Referencing John Bonham, an English drummer and songwriter best known for his work with Led Zeppelin who died in 1980 due to pulmonary edema.
Dean: Let's get out of here before Leatherface comes back.
Leatherface is the main villian of the horror series Texas Chainsaw Massacre. The reference is likely due to the fact that skin from the victim at the start of the show was found grafted to the arm of the scarecrow. Leatherface would often make masks out of the faces of his victims, stated in the 2001 remake because he hides a degenerative skin disease.
There are several references to the movie The Wizard of Oz: 1) The Scarecrow, 2) An "If I only had a brain" quote, 3) a "into the cellar!" moment, 4) apple trees; 5) the girl's name of Emily - "Em" for short and the same name as Dorothy's aunt; and 6) Emily living with her aunt and uncle.
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