Mr. Monk and the Daredevil - S6-E7
Continuity mistake: When Joey hands the kids back the poster they drew, it's folded in his hands. In the next shot, it's rolled up.
Mr. Monk Visits a Farm - S5-E14
Continuity mistake: When Jimmy is talking to Harvey, after Harvey refuses the money, he puts his hand on Harvey's shoulder. But the next shot, it's off. It switches to back on depending on the camera angle.
Mr. Monk Is At Your Service - S5-E12
Continuity mistake: When Paul shoots his butler, you see him raise his arm up straight out, but in the next shot, his arm is lowered with his elbow bent.
Mr. Monk and the Leper - S5-E10
Continuity mistake: At the meeting, the pencils on the yellow pad on the table keep changing position depending on the camera angle.
Mr. Monk Meets His Dad - S5-E9
Continuity mistake: When Monk is looking through the boxes on the trailer, on the first shot, the box marked "Tucson" isn't flush with the box underneath. But after, it's flush without anyone touching it.
Mr. Monk Takes His Medicine - S3-E9
Continuity mistake: In the hospital, after Monk hugs Stottlemeyer, Stottlemeyer has his left hand on his right shoulder. In the next shot, it's down by his side.
Mr. Monk Is on the Run (1) - S6-E15
Continuity mistake: When Monk is shot he staggers back against the wooden railing - his arms are barely a foot above it, no way he'd overbalance and fall over. In the angle from behind the railing only comes up to about his waist, and he promptly topples over it.
Mr. Monk and the Panic Room - S3-E2
Continuity mistake: When the Captain and Monk are standing in front of Randy's desk, there is no bag on the table. After a cut, a black bag suddenly appears and the Captain's hands are on it. (00:15:30)
Mr. Monk Makes A Friend - S5-E11
Continuity mistake: In the shot showing Monk, the playing cards in front of him are upside-down. When it switches to show Natalie, the cards are face-up. (00:33:00)
Mr. Monk and His Biggest Fan - S6-E1
Continuity mistake: When the lady that just "bought" Randy gives him his shirt you can see from behind that he closes one button of his shirt. But in the next shot 2 seconds later there are at least 5 buttons closed already.
Mr. Monk and the Leper - S5-E10
Continuity mistake: In the very last scene when Natalie leaves for her date, her flowers go from her hands, to the table, back to her hands, and then she sets them on the table.
Mr. Monk and the Airplane - S1-E13
Continuity mistake: "Nationwide Airways" is the name of the fictional carrier used in the episode, and it even has its own logo and livery. Yet in the exterior shot of the plane pushing back from the gate, it has suddenly transformed itself into a Delta Air Lines plane. It also looks like a 1990s Delta plane while it is taking off. (00:13:05 - 00:15:00)
Mr. Monk and the Genius - S7-E2
Continuity mistake: When Kloster hands Natalie the cup of lemonade, the cup is about two-thirds full. In the shots from the right side of the car, the level is about the same, but in the shots from the left side of the car, it's almost full. (00:22:30 - 00:23:30)
Continuity mistake: In the lab scene near the end, when Monk has the electric wheel chair, Natalie is holding the bottle of pills in her right hand and the drink in her left hand when she gets up from the seat. In the next shot she is holding the drink in her right hand and the pills in her left.
Mr. Monk and the Astronaut - S4-E14
Continuity mistake: When Steve Wagner gives the class red laser pointers, he tells them to pass them back. The girl on the far right of the shot turns around. When the shot changes, she begins to turn around again.
Continuity mistake: When Monk and Brian face off with the bear, there are two tree stumps in between. When the camera is on the bear, he's close to the stumps and Monk and Brian are several feet away. In the reverse angle shot, though, Monk and Brian are close to the stumps and the bear is several feet away. (00:35:00)
Mr. Monk and the Bad Girlfriend - S6-E4
Continuity mistake: In the first shot, when the captain is chatting on the computer and Monk is looking at him through the glass, the webcam we see is white and round. In the next scene, when Monk goes into the captain's office, the webcam is now gray and square.
Continuity mistake: When Monk is trying to get out of the Captain's car, Randy is trying to get his wheelchair out of the trunk. In the shots from the rear of the car, Randy is directly behind the vehicle. In the shots from the front, Randy is a few feet away. (00:18:00 - 00:19:00)
Continuity mistake: In "Mr. Monk On Wheels," after Monk gets out of the car, when he closes the door while standing on his unshot leg, he's facing the front of the vehicle. In the next shot, from behind the car, he's facing the rear of the vehicle without having turned around. (00:18:55)
Mr. Monk and the Magician - S7-E15
Continuity mistake: In the basement, the configuration of the ropes tying Monk to the chair changes repeatedly between shots, from overlapped to straight across and back again. (00:42:00)
Answer: Notice also that in the opening credits scene when he is touching parking meters her also wipes his hand on his clothes each time he does it.