Visible crew/equipment: In the scene where James pulls up beside Gordon, studio equipment is visible in the top portion of the screen.
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: When Mike and his friend escape from the helicopters in El Salvador, Mike's hair, clothes and camera are wet just before they pass in the river. They were not wet in the previous shot. (00:04:10)
Visible crew/equipment: When Jack goes out to the main room half clothed to answer the door, the tip of the boom drops several times on the way out, and when he 'stumbles' backward. Then, when he and Vicki are seated while having dinner with her father, you can hear cabinet doors opening and closing from somewhere on set, and a bit of equipment moving around behind Vicki.
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)