Continuity mistake: In Episode "Happily Never After": In the opening when the CSI team is looking at the puncture wound of Fiona Chisolm, there is no blood coming from the wound. It is actually mentioned that there is no blood. Then it is determined that she was dead for about 6 hours, but now there is an L-shaped blood drip pattern to the chest wound.
Continuity mistake: In Episode 4-03 You Only Die Once In the beginning of the episode when Flack calls in the address of the apartment he calls in the address of 260 W 72nd Street, however, when the burglar is shown repelling down the side of the building the address on the front of the building is 535.
Continuity mistake: Episode 19 - Personal Foul; Lindsay is going through the cheerleaders' photos to find a biometric match of the heavier woman, and she picks a head shot of a blond cheerleader. She removes it from the pile to scan it, seeing through the back, we can see what the actual picture looks like. It is a close up picture of a woman wearing big sunglasses. When the scan is complete, it is revealed as the original cheerleader photo.
Continuity mistake: when the bank manager's wife is being prepared for autopsy, Sid begins by taking pictures of the wife. In these shots you can see her wrists and ankles are bound with tape. First he cuts off the tape on the ankles and places it in the evidence envelope with Danny and Lindsay. Next he begins to cut the tape from the wrists. As he is doing so, the next shot cuts to a full body view of the wife in which she has the tape back on her ankles again.
Continuity mistake: When Flack, Lindsay, and Stella go to Kim Wey Imports, it's bright daylight out. But when Flack chases Wey out of the warehouse, the sky has suddenly become pitch black. They were only inside for a few minutes, so it shouldn't have been that dark. (00:25:05 - 00:26:30)