Continuity mistake: Becker puts money on the counter of the diner as he is getting ready to leave, the money changes position and disappears between shots.
Continuity mistake: After Bob comes into the diner when Jake and Reggie are drinking beer, Reggie is seen taking a drink, the shot changes she is now holding it by her side, the shot changes again and she is now drinking it again.
Continuity mistake: When Becker and Detective Borkow are sitting at the counter in the diner, at one point, a plate of food suddenly appears in front of both of them.
Continuity mistake: In the final scene, when Becker is talking, on the table behind him, there is a mug and newspaper. The mug is next to the newspaper. In one shot, the mug moves to being on top of the newspaper.
Continuity mistake: Reggie picks up the quarter that Becker left behind. She is not holding anything else. Becker comes back in; she is now holding a book.
Continuity mistake: When Bob, Becker, Jake and Reggie are talking at the diner about Becker not sleeping, Becker is sitting at the counter with a cup in front of him his hands are in his lap, the shot changes and his hands are now on the cup. (00:10:35)
Continuity mistake: When Becker is making coffee Margaret puts a folder on the table, the next time we see the table the folder has moved and a cereal box has appeared.