In the bar scene, Alan gets soaked by Charlie's drink, covering his face, shirt, tie, and coat. Alan then turns and when he exits the door, he is completely dry.
In some scenes with the GoPed, the gas tank is on the right side, while in other scenes it's on the left.
When Charlie is walking towards the water after the court hearing, Alan's car door is still open. Once they change camera angles, the door is closed.
Donna enters the courtroom while Dr. Oakhurst is on the stand. Dr. Oakhurst is also seated in the gallery as Donna moves towards her seat.
In the scene where Dr. Johnson first meets Charlie on the street, the cars behind Charlie vary from shot to shot. In some there is a big white truck to the left and a car with flashing lights on the left. In other shots, there are only a couple of dark cars parked there
Just before Alan and Charlie go for coffee, he has his headphones around his neck. A few moments later when Charlie goes inside, he's listening to his headphones.
When he walks up to the bar the headphones are on his head, a moment later they are off again. Starts 12:48
When Charlie is in his first apartment playing the video game and the shot is from where the video screen is, the receiver/amplifier has no cables or wires running to or from it; yet when he's in the second apartment, all the RCA cables and other cables are plugged into it and it is clearly hooked up to work.
In one of the scenes at Dr. Johnson's office, the second hand on the clock is not moving