Other mistake: A police officer is shown at a hostage scene. He has Sergeant stripes on his sleeve, and Captain's bars on his collar. He is one or the other. But not both. (00:11:50)
In Dreams Begin Responsibilities - S1-E1
Continuity mistake: Tommy is in an elevator and is talking to a lady. She does not have her four stars on her collar. When she comes out of the elevator and goes into her office, she has the collar insignias on. (00:27:35)
In Dreams Begin Responsibilities - S1-E1
Continuity mistake: She is on an elevator wearing her uniform. The uniform collar does not show her Chief of Police stars on it but when she walks off the elevator down the hall into her office less than 10 seconds later, the stars reappear on her collar.