Mr. Monk and the Buried Treasure - S6-E6
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.
Mr. Monk and the Daredevil - S6-E7
Continuity mistake: Monk drops the harmonica onto the coffee table, and it lands in a horizontal position. Monk doesn't touch it again, but it moves to a diagonal orientation and then back to a horizontal one between takes. (00:18:15)
Mr. Monk Joins a Cult - S6-E11
Visible crew/equipment: When Monk first enters "Father's" cabin, the tip of the boom mike dips briefly into the shot at the top of the screen. (00:24:15)
Mr. Monk and His Biggest Fan - S6-E1
Continuity mistake: Ringel closes the blinds, then turns and walks away from the window. After a brief shot of Monk and Marcy, Ringel turns and walks away from the same window again. (00:34:40)
Mr. Monk Is Up All Night - S6-E9
Factual error: [SPOILER ALERT] At the end of the episode, it is revealed that the mysterious cab driver had corneal transplants to repair damage to her vision from Retinitis Pigmentosa. RP is a defect of the retina, in the back of the eye, which accumulates pigment, losing its photoreceptivity, resulting in vision loss. A corneal transplant will not restore vision to someone with RP.
Mr. Monk Is on the Run (2) - S6-E16
Continuity mistake: In the motel room, the newspaper clippings and the scrapbook Monk has been working on change their arrangement on the table between shots as the owner's daughter and her dog are leaving. (00:10:30)
Mr. Monk and the Three Julies - S6-E13
Character mistake: Julie has just passed her driver's test. At the end, she drives up with two teenage friends in the car and offers the stranded Captain Stottlemeyer a ride. Instead of simply accepting, by-the-book cop Stottlemeyer would be lecturing her. California law prohibits new teenage drivers from having other teens in the car. (00:40:15)
Mr. Monk and His Biggest Fan - S6-E1
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)
Mr. Monk Is Up All Night - S6-E9
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)
Mr. Monk and the Wrong Man - S6-E8
Revealing mistake: During the fight between Max and Paulie, the stunt double for Paulie is easy to spot - he has a full head of dark hair, whereas Paulie is gray and largely bald on top. (00:23:30)
Mr. Monk and His Biggest Fan - S6-E1
Continuity mistake: Near the end, when Ringel pulls a gun on Monk and Marcy, he reaches over and closes the venetian blinds. There's no gap in the shuttered blinds when he walks away from the window. Then there is. Then there isn't again. (00:34:30)
Mr. Monk and the Naked Man - S6-E3
Character mistake: SPOILER. Arlene Boras murders Vicki Deline in order to stop her telling Peter Magneri that he has an aortic aneurysm. Boras wants Magneri dead to clean up by short selling the stock in his company. Boras is a medical professional, and she would know that an aneurysm can burst if the patient is under stress or is shocked in some way. Allowing Deline to tell Magneri that he is in danger of dropping dead on the spot would kill him, which is exactly what she wants.
Mr. Monk Is on the Run (2) - S6-E16
Continuity mistake: Monk kicks an oil drum across the floor toward Rawlins. In the master shot, it rolls half the distance and passes a black line on the concrete. The angle changes to a view from behind Monk and Natalie as the barrel keeps rolling and almost reaches Rawlins. But when the master shot returns, the barrel is again just passing the midway line on the floor. (00:25:00)
Mr. Monk Is on the Run (1) - S6-E15
Continuity mistake: Natalie's "smoothie" is an extremely unappetizing pitcher full of dark brown glop. But when she pours it out into a glass, it has turned white. (00:33:00)
Mr. Monk and the Naked Man - S6-E3
Factual error: While the police are investigating the murder at the start of the episode, the police make numerous mistakes with the crime scene. First there is no sheet over the body and/or tent to cover the body. Being they are on a beach it would make sense to cover the body from any debris or sand disturbing the body. Second, the sun is shining brightly would not help with preserving the body for the coroner. Finally why have the police only cordoned off a small area around the body. Being a crime scene and potential evidence could be found it makes little sense why they wouldn't cordon off the beach or most of it from the public.
Mr. Monk and the Three Julies - S6-E13
Visible crew/equipment: At the end, as George is arrested, equipment shadows can be seen moving across Disher's back. In the reverse angles, there's nothing behind him but the window, and nothing's moving in that. (00:38:00)
Mr. Monk and the Naked Man - S6-E3
Continuity mistake: While Monk and co. question Vicky's roommate, two throw pillows behind her on the couch shift their orientations several times from shot to shot. The larger one also moves from the couch corner to a spot behind the woman's left arm and then back again. (00:14:00)
Mr. Monk and the Naked Man - S6-E3
Continuity mistake: A little white pillow on Natalie's couch falls over when Monk gets up, then rights itself again when he's in the kitchen. (00:31:15)
Mr. Monk Is on the Run (2) - S6-E16
Continuity mistake: At the end, when Dale Biederbeck is screaming at Monk, Dale is sitting in his wheelchair with both his hands down in his lap. The shot cuts in the middle of his sentence, and suddenly he has one hand up on the cell bars. (00:40:30)
Suggested correction: When he says Adrian is trapped in a worse prison, you see him put his hands on the bar. They're not in his lap.
Mr. Monk Is on the Run (1) - S6-E15
Continuity mistake: When Natalie comes into her house and realizes Monk is there (because he's reorganized the refrigerator), the first camera shot after she closes the refrigerator door shows a Tupperware container with a blue lid just to the right of the refrigerator (facing it) that is slightly turned so that is is not parallel to the refrigerator's side, and then just to the right of the container is a blender with the top lid off. When Randy shows up moments later, there is a camera shot that shows that the Tupperware is now square with the refrigerator's side, and it appears to be a different Tupperware than the first shot, as it looks bigger and appears to have more stored inside of it and it does not appear to have a blue lid. Also, the blender now has the top lid on it. In a third shot, the blender has now moved to the right at least 12 inches, which is confirmed while Natalie is preparing the smoothie: it can be seen that it has moved from its previous position and the blue topped Tupperware has returned. Finally, when Natalie starts to prepare the smoothie, the top of the blender is off and it is not ever seen that she removed the lid herself.