Continuity mistake: When Crockett tries to stop a rapist in a white Lamborghini the Lamborghini's taillights switches design during the chase.
Funeral at Fifty-Mile - S1-E22
Continuity mistake: When Jessica walks from the house to the barn at the end, she is wearing knee high brown boots. By the time she reaches the barn they have been replaced with court shoes.
Continuity mistake: Season 19, Episode 159. When Des Taviner flips and drives the area car wildly around an industrial estate and into a gas storage facility, you can see that during the sequence the Vauxhall Vectra he is driving starts off as a Y registration, then changes for several shots to a P registration, and then finally back to a Y registration when it blows up inside the building.
Revealing mistake: When the thief places The Blue Carbuncle in the goose's throat, it's obvious he actually doesn't put the gem in the bird's mouth. He pretends to, but then drops the gem into his other hand. This is all visible in the shot.
Episode #1.1 - S1-E1
Continuity mistake: Episode 1 - When the commissioner kisses his wife at the beginning of the first episode, he is holding the holstered gun in his left hand and his ID in the right hand. That's in the first shot, because his daughter enters the room bringing coffee, and now the two items swapped hand. (00:05:10)
The Hottest Guy in Town - S1-E2
Continuity mistake: It's stated in the pilot episode that Syndey married Raymond first. Yet in episode two it's said Carole married him first.
Continuity mistake: See Dee is slashed across the back of her left shoulder by the killer but the wound when she is on the ground is to her front shoulder.