1. Error found: Charlie, Raymond and Susanna stayed in the first hotel, and then Susanna roared like crazy. When she slammed into the door, it was obvious from the way the door and the wall shook that the background was preset.
2. Continuity: In the laundromat, as the camera changes, the dryer on Raymond's left is sometimes turned on and sometimes turned off.
3. Continuity: Raymond used a 126 film camera to take pictures in the film. We can see that the developed photos are all rectangular, in fact the 126 film photos should be square.
4. Continuity: Raymond is going to Cincinnati to buy underwear. In the same store, he gave two different addresses, 200 Oak and 400 Oak.
5. Raymond was brushing his teeth. When Charlie walked over to talk to him about rain man for the first time, a staff member in blue appeared in the mirror, and then the person () quickly moved away.
6. At around 109 minutes and 47 seconds of the film, another camera can be seen on the roof, and then disappeared soon afterwards.
