When Adam gives Kate the lollipop as a gift, Kate writes "IOU TLC" on a laundry ticket. As she takes the ticket out her bag, there is the number "6443" printed in red on it. When she hands him the ticket though, the number is now "6335". Later, when it is seen floating in the pond, the number is "6329".
In the scene where Dorothy is letting Campbell live in her home. He picks up his bag and puts it on his shoulder. Then the next scene when he leans in to kiss her, there is no strap on his shoulder. Then it's back again in the next shot.
When Kate is dipping her hair in the toilet bowl, both lid and seat are up. When it shows a different angle, the seat is down.
Kate's Beretta goes from unloaded to cocked and ready to fire, yet all she did was reinsert the clip.
Shelley is working on a cadaver and has surgical gloves on. When she thinks someone is after her they show a close up of her squeezing the surgical knife, with absolutely no gloves on.
The cadaver dissection starts with the back of the cadaver, not the stomach.
Shelley is bothered by seeing the face of her cadaver so she covers it. In fact, the face of the cadaver is usually kept covered from the start of dissection until the dissection of the head, which is done last.
A medical student wouldn't be starting a cadaver dissection the night before her final.
Obvious stunt double when Paige gets thrown headfirst into hot tub.
When the Cherub grabs Ruthie and throws her into the shower glass panel, look very closely and the glass is all smashed before she even touches it.
'Chad' the cadaver is seen breathing before Shelley leaves the autopsy table the first time.
When Kate is on the phone complaining about the water being cut off, the iron overheats. Kate then runs over to it, and the shadow of a crew member is cast on the iron and ironing board, then moves out of sight.
The killer is a short person yet, David Boreanaz is 6ft1.
When Shelly is making the incision on the corpse, she says that she is doing a transverse cut. However she was doing a sagittal incision.
Shelley refers to her cadaver as a corpse; no medical student would ever do such a thing.
When Shelly is preparing to perform the autopsy apart from she wearing surgical gloves, she should also have worn a lab coat.