When Mr. Monk retells the joke about the psychiatrist, the psychiatrist at the table behind him rubs his ear. In the next shot, he holds a book in his hand, and in the next shot after that, he rubs his ear again.
When the wine hostess describes the "Spit" step to Monk, his glass of water switches from his right hand to his left and back between shots.
When Monk was at the table, he made a big deal about the plates on the other side to stay on the table, but when Larry gets his wine, the plates are gone.
When Mr. Monk exits his room the morning after the group photo is taken, a grip C-stand is visible on the right hand of the screen. In the wide shot, it is gone.