Continuity mistake: When Mr. Monk enters the Sheriff's office, he is seen straightening out the shades on the front door, so that they are both even about half way down the window. When the Sheriff opens for the woman that was concerned about her relative, in the first shot the right window shade is now pulled all of the way down. Then, when the Sheriff closes the door, both of the shades are now even once again about half way down the window as before.
Continuity mistake: About midway through, the new nurse is sitting on Monk's kitchen counter eating a sandwich. She puts the sandwich down on a plate as she hops off, the shot switches to another angle to include Monk as she walks away, and the sandwich has suddenly jumped off the plate and is now lying on the counter a few feet away. Neither of them had time to pick it up or move it.
Continuity mistake: When Monk and Dr. Kroger are in the session and Monk asks Dr. Kroger where he got his watch, Dr. Kroger puts his arm on the arm of the chair and his hand across his mouth. From the back, he has his hand on his cheek, but from the front again it is back on his mouth.
Continuity mistake: In the scene where Sharona returns the dog, she opens the gate, turns around and closes & latches the gate. They even make a point of showing the latched gate before she is on the porch. As she is talking to the owner, you see the gate behind her open and then closed between shots. She had latched it, so all scenes should have shown it latched.
Continuity mistake: Monk finds the magazine from which the butler cut out words for his blackmail note, and matches a scrap with the word "Police" on it to the article it was cut from - only the left and bottom edges of the scrap don't conform at all to the hole cut in the page. They haven't been trimmed more. In fact, the whole piece is much too large to fit into the space. (00:36:30)
Continuity mistake: During a 30-second timeout, the scoreboard in the background is counting down the time. As the scoreboard hits 12 seconds, the shot changes to Mr. Monk and the team huddle. The scoreboard appears again in the following shot, for the remainder of the timeout. When the scoreboard reappears, the clock has more than 12 seconds on it.
Continuity mistake: In the lumber yard, Randy shows a rare streak of genius by knocking out the bad guy with a 2x4 shoved through a stack of boards. When the 2x4 strikes Ringel, it stops its slide protruding about six inches from the stack. When the camera angle changes for the very next shot, the 2x4 is suddenly sticking out more than a foot. (00:39:30)
Continuity mistake: Gulliver makes a bet with Monk and puts $50 in bills on the bar. When Monk puts down a $50 bill to match the bet and slides it across the counter, Gulliver's money has changed positions, rotating 90 degrees without being touched. (00:22:30)