Revealing mistake: In the scene where the CSI team first arrive at the crime scene and Grissom is taking photos, the first photo he takes, you can see that the victim's eyelids flutter a bit and his belly is seen contracting, a clear sign of breathing.
Revealing mistake: The dead baby is obviously a doll.
Getting Off - S4-E16
Revealing mistake: When Sarah and Catherine are looking over the body of the dead clown, in one scene his eye flutters and in the next he distinctly takes a breath.
Revealing mistake: You can see naked fitness guy breathe while he's lying on the morgue table.
Dead Ringer - S4-E20
Revealing mistake: At the beginning of the episode, when Grissom notices the body and pulls over, in the close up of him you can see that the steering wheel never moves: he just moves his hand to make it look like he's pulling over.
Revealing mistake: Dead antiepileptic guy is breathing while on the examining table.
Revealing mistake: The outline of dead Ice Guys underwear can be seen at the very bottom of the screen when Catherine and Nick take a DNA sample from his ear.
