Continuity: In the scene in the beginning of the movie where Peter is talking to Bill about the TPS reports, we see his computer monitor and the text on it is blue. Later, when he's trying to shut his computer down to escape work early, we see that the text is now yellow.

Continuity: When Joanna and Peter first meet in Flingers, note the differences in Joanna's upper body (placement of hair on shoulders, placement of arms and hands, shoulder tilts, and so on) as the film cuts a number of times from Peter to Joanna and back again.  For instance, we see her grasping her arms, and a split second later her arms at her side.

Continuity: In the scene after they leave the hurt guy's party, and they are in the car, Joanna's hair appears different: when the camera is on her the hair is blowing in her face though when the camera is behind her and focused on Peter her hair is behind her ear and not blowing at all.

Continuity: In the scene where Peter, Michael and Samir are consulting with the crack-addict magazine salesmen, you will notice it is dark outside. The next scene is Bill's birthday party during the day at the office where they discover money is missing. Then the next scene is back at Peter's apartment continuing the scene where it happens to be dark again.

Continuity: When they meet at Flingers to eat lunch, sometimes his coffee is steaming and sometimes not.