Trivia: Sam and Dean were named after their maternal grandparents, Samuel and Deanna Campbell.
If Dean and Bobby were trying to trap Castiel inside the warehouse, why would they put down rock salt at the entrance, possibly preventing "it" from ever entering the trap?!
Trivia: The painting of the tiger on the wall of Sam's hotel room is the same tiger that was on the wall of Andy's van in the episode "Simon Said" (season 2).
Trivia: When Dean looks at the newspaper in the gas station, the date on the paper is September 18, 2008. This is the same date that the episode premiered.
At the end of the fight scene between Ruby and Dean and Ruby becomes stuck in the Devils Trap, we can see blood over and around her teeth. When the shot cuts to Dean walking up the stairs and Ruby is yelling at Dean, there is no blood.
When the Hellhound is tearing up Dean's chest, there is no sign of the tattoos he and Sam had during "Jus in Bello."
Trivia: Both Bela and Dean's last words were "bitch."
In the scene where Ruby and the Winchester brothers fight, the shot of Dean falling down when Ruby kicks him in the head is reused as the shot of him falling down when she head-butts him; it is frame-for-frame identical. Further, he is clearly holding her knife in his right hand held in front of him (although it disappears when he picks himself up), yet she did not notice even though she is looking right at him-both times.
When Dean says to Doc Benton, "Please, what? You've been killing poor bastards for over 150 years.." the way his mouth is moving does not match the words he is saying.
In the opening scene, the doctor is pushed into the trunk of his car and locked in. Ever since 2002, all cars in North America have been required to have internal trunk release handles which glow in the dark should anyone become so trapped.
When Bela makes the pact with Lilith, Lilith's eyes are red instead of white.
When the jogger wakes up strapped to the table his heart monitor, while right-side-up for the camera, is now upside-down on his wrist.
Dr. Benton begins to scoop out Sam's left eye, but when Dean shoots him, his hand is at Sam's left eye-which is now red, but is back to normal in the next shot.
When Sam is attacked in the hotel room, he drops his Blackberry phone. However, the wrong screen is shown on the phone. Since he was talking on the phone we should have seen a lighter screen with the caller ID. The screen shown is the one you see when you are not using the phone.
When Sam is trying to get out of the cables binding him there is blood on his wrist. When he is fighting the crocotta there is no sign of blood.
Near the end of the episode, it is revealed that the crocotta uses the phone lines to communicate with people, yet he still managed to call a toy phone earlier in the episode. During the episode's first scene, the crocotta was also able to call Ben Waters even after Ben had ripped his phone from the phone jack.
Trivia: BustyAsianBeauties was a website previously mentioned in "Tall Tales."
When Lanie is on the computer talking to her "mother," the closed captioning flashes lyrics to Scandal'us' Make Me Crazy even though no music is playing.
When Dean busts through the bomb shelter door Sam is wearing the party hat, but when he goes to untie Sam the hat is gone.
When the second echo shows up Dean asks the Ghostfacers if it was the same echo they saw before. Sam and Dean watched the video of the first echo so they would have known it was not the same one.
dysfuntional families, Supernatural, demonic resurrection, absent parent, supernatural forces