Revealing mistake: When Nick is in the shed in the desert, sunlight is coming in through hundreds of holes in the walls and roof. Since the sun is in one spot, all beams of light should be in the general same direction. In this scene they come from at least 5 different directions, with some originating from a light source very close to the outer wall (causing beams in a radial pattern).
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: At the end of the episode when they view flashbacks of what happened when Zack died, there is a scene when Tyler is performing CPR on Zack. You can see that Zack is a dummy. (00:39:55)
Revealing mistake: The elements of the miniature crime scene are not glued. They should not be in their respective locations, but all over the floor of the miniature.
A Bullet Runs Through It (Part 2) - S6-E8
Revealing mistake: When the dead Cirque de Soleil investor guy (the one that bled out in Super Dave's body bags) is on the exam table, you can see him breathe twice, despite that his stomach and ribs are cut way open for Doc Robbins autopsy.
Revealing mistake: You can see naked fitness guy breathe while he's lying on the morgue table.
Revealing mistake: The dead kids head on the blanket in Death Valley keeps changing position between shots.
Revealing mistake: When Grissom and the Coroner are discussing the short cadaver's injuries you can see the little guy breathe between takes.
Cool Change - S1-E2
Revealing mistake: Dead Hotel guy's torso moves slightly up and down during his autopsy.
Revealing mistake: The woman in the trash bin blinks as the flash light is shine on her after the team retrieved her from the bin. (00:07:03)
Turn On, Tune In, Drop Dead - S11-E16
Revealing mistake: When David Phillips (assistant medical examiner) answers his phone in the morgue, you can see the 'lock screen' on his iPhone. It flashes for several moments then goes on sleep mode.
Take the Money and Run - S14-E2
Revealing mistake: When the shot security guard's wife demands to see him before he's taken out of the casino, the body bag he's in is unzipped, and the "dead" body very swallows, a fraction of a second before the focus is pulled back to his wife.
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.
Living Doll - S7-E24
Revealing mistake: Grissom and Brass enter the darkened apt. and Grissom spots another doll figurine on the book shelf as Brass takes notice of the dead guy on the bathroom floor. As Grissom comments on this being yet another 'miniature killer' scene, the cam flips to a shot of Dead Guy and he wiggles just slightly, even though he's supposed to be dead.
Built to Kill (Part 1) - S7-E1
Revealing mistake: During Katherine's visit with Dr. Robbins, they are overlooking Suicide Guys' body, discussing his autopsy. Just as the doc's hand touches the corpse's mouth, the corpse's lower lip twitches slightly.
Built to Kill (Part 1) - S7-E1
Revealing mistake: When Sarah visits Dr. Robbins to get an update on Suicide Guy, who is being autopsied, the camera moves to the right and you can see Suicide Guy breathe twice, even though he's supposed to be dead.
Revealing mistake: Throughout varied episodes you can see the cadavers breathe while on the examining table.
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.
Revealing mistake: Willows discloses a laptop with the city's grid layout inside the welder's truck, and grabs her cell to call Grissom. Just as she presses last number, he immediately answers, without so much even a ring.