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.
Continuity mistake: "The Time of the Wolf": Robin slays his evil twin and leaves him on the grass near the standing stones. The body then changes positions without anyone touching it. When Robin leaves, its head is pointing to screen-right. But when Marion arrives, Evil Robin has done an about-face: his corpse is now pointing to the left. (01:21:00)
Continuity mistake: "Hostages": During the raid, the bad guys' helicopter lifts off with the hostages aboard. In the next shot, it's still on the ground. Next shot after that, it's airborne again.
Another Song for Christmas - S1-E13
Continuity mistake: After Honest Eddy swaps cars with the old couple, there is a shot with him in the car. There is no smoke coming out of the back. Change angles, and smoke is coming out again.
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.