In the scene where Mr. Deeds is about to read one of his greeting cards, he starts talking to his friend with the cap. His friend is holding a Pepsi cup on his plate. When they turn the camera to Deeds and then back to him, the Pepsi cup has been changed to a glass mug.
When Deed's is delivering pizza's to the old ladie's on the bench, with Chuck and Sesel, when Sesel is talking about all the paperwork before Deed's can have his money, Chuck mentions that he just needs time to "dot the t's and cross the i's," you don't dot t's, you cross them, and you don't cross i's, you dot them.