Trivia: The mug Chuck was using at the table in the bar had "World's Greatest Dad" written on it.
Sam says that when he was younger, he always worried when John and Dean went off to hunt that some "vamp or rougarou" got them. Neither of them knew vamps were real until Season One "Dead Man's Blood". Likewise the first they heard of a rougarou was Season Four 'Metamorphosis"
Three shows the babysitter channel surfs through are Neon Joe-Werewolf Hunter, Your Pretty Face is Going to Hell, and Rick and Morty. However, all three shows are only on Adult Swim and therefore can never be airing at the same time.
When Dean is on his rampage in the hotel room he breaks the light bulb of the lightbulb lamp that is sitting on the desk. A few seconds later, when Dean knocks the lamp off the desk, it's on.
Castiel and Sam both head toward the bunker to intercept Dean. Castiel is coming from Shreveport, Louisiana and Sam is coming from Concordia, Kansas. Castiel arrives well ahead of Sam despite the fact he no longer teleports due to his damaged wings
In the scene at the convenience store, when Dean is grabbed from behind his, his jacket sleeve is midway between his wrist and his forearm. The scene shifts to Styne and back to Dean and the sleeve is now pushed up above the elbow revealing the Mark of Cain. Styne grabs the sleeve and the camera angle shifts while Styne is still holding the sleeve but now the elbow is covered.
In the scene between Dean and Rowena, she reminds Dean of the girl she had spelled in the earlier "Girls, Girls, Girls" episode. Dean flashes back and sees Rowena put the spell on the girl, then he seemingly flashes back to the girl falling to the floor dead. However, only Dean didn't witness the girl dying as he had already taken off after Rowena. Sam saw the girl die, this was his memory, not Dean's.
When Young Dean returns to the motel room, he clomps around the room as he prepares to rescue Tina. However, as is shown when he kneels to pull his duffel bag from under the bed, and in the latter scene when he picks up the knife to stab Hansel, Dean is wearing sneakers not boots.
Trivia: The "rare" book that Sam sends Charlie off to Tuscany to find is Book of the Damned by Charles Fort.
At the blood bank, Sam takes type O blood which he later says is Dean's tpe. In an earlier episode, "Children Shouldn't Play with Dead Things", Sam deposits John's dog tags on Mary's gravestone and they show John was type AB. A type AB parent can not produce a type O offspring.
In Dean's karaoke scene where he shoves the guy trying to push him offstage, the music playing is "Imaginary Lover". However, the lyrics scrolling on the screen behind him are from "I'm too Sexy", the song he sang earlier.
Trivia: Crowley is shown watching the movie Casablanca and reading Little Women, by Louisa May Alcott.
Trivia: When Dean and Crowley enter the pawnshop, Tara is reading Locke & Key #1, a supernatural comic put out by IDW Publishing.
During the episode's premiere airing, the last part of the end credits were replaced by the last part of the end credits from the preceding episode of The Originals.
Miranda Bates' rank was actually Private First Class according to her uniform. Which, even if she were a Sergeant, she wouldn't have been in charge of that investigation or have been able to turn away the FBI.
While delirious, Sam mentions a time their father took them to the Grand Canyon. However, in "Croatoan," Dean says he's still never been despite them regularly driving across the country.
When Dean is in the mall with Charlie picking out her FBI outfit, as he calls Sam on Charlie's phone the phone is still on the lock screen as he holds it up against his ear.
Sam asks Dean if Castiel touching the angel tablet broke Heaven's control over him. However, as Dean saw earlier, Castiel spared Dean's life and then picked up the tablet. Neither Sam nor Dean would have any reason to think touching the tablet had anything to do with Castiel's freedom.
Trivia: The article in the newspaper below the one about Shane details a polar bear attacking a nuclear submarine at the North Pole.
Dean comes back to the motel and as Sam says that the abductions have stopped, he tosses his car keys on the counter. The camera cuts to a different angle and the keys disappear. Dean leans over Sam's shoulder and the next shot reveals the keys back on the counter.
dysfuntional families, Supernatural, demonic resurrection, absent parent, supernatural forces