Mr. Monk Visits a Farm - S5-E14
Continuity mistake: Natalie carries a large box full of house plants into Monk's kitchen and starts placing them one by one on the counter while he answers the phone. Each time the shot changes, a large red flower switches itself from the left side of one plant to the right side and back again, and sometimes disappears altogether. (00:09:00)
Mr. Monk and the Very, Very Old Man - S2-E5
Continuity mistake: In the cemetery scene, Stottlemeyer approaches the grave of the 17 year old open case hit and run victim. The dates on his grave are 1980-1997. But in Dennis Gammill's confession letter in the end, it says he killed the boy in December 1998.
Mr. Monk Meets His Dad - S5-E9
Continuity mistake: Jack's big rig has a huge Christmas wreath on the front grill. When the truck loses its brakes, there's an overhead view of it careening down the road, and the wreath has disappeared. It's back in the next shot, though. (00:34:30)
Mr. Monk Goes to the Bank - S6-E12
Continuity mistake: One of the large safety deposit box doors is standing wide open when Monk is curled up in the vault's corner. But when the camera angle changes, the door has closed itself. (00:30:45)
Continuity mistake: In the hardware store, a bright blue sign in the background reads "Electrical" in reverse. When Jake hands Monk his card a few shots later, the camera angle hasn't changed, but the sign has turned around and now reads "Electrical" forwards. (00:15:00)
Mr. Monk Is on the Run (1) - S6-E15
Continuity mistake: Sheriff Rollins reports that his van had slowed for a yellow light when Monk escaped. But the van was driving down a forest road at the time. It was nowhere near any traffic lights. (00:24:10)
Mr. Monk and the Earthquake - S1-E11
Continuity mistake: After the quake, all but one of the art pieces have fallen out of the Rutherford's display case and lie shattered on the floor. But seconds later, when Christine pushes the cabinet over, most of the broken items have vanished from the floor. (00:02:30)
Mr. Monk and the Astronaut - S4-E14
Continuity mistake: When the captain receives the victim's phone record (outside at the neighbor's house) he calls a number on the bill. But the phone starts to ring (on the other end) before he presses the last digit.
Mr. Monk Bumps His Head - S4-E11
Continuity mistake: When Cora goes upstairs, her cat is curled up asleep in a chair. In the next, close-up shot, the cat is awake and sitting at the edge of the chair cushion, looking up at Monk with its front feet hanging over the side. When the shot cuts to wide angle again, kitty is instantly back in his original position, snoozing far from the edge and curled up against the pillows. (00:32:45)
Mr. Monk and the Astronaut - S4-E14
Continuity mistake: When Monk is describing the laser pointer incident to Dr. Kroger, the doctor closes his black folder and puts it on the arm of his chair. In the very next shot, it's back in his lap, and he again closes it and places it on the chair arm. (00:25:00)
Mr. Monk and the Leper - S5-E10
Continuity mistake: Randy is desperately trying to pry his teenage acne photo off the doctor's wall. He knocks the photo underneath it crooked, but it rights itself in the next shot. Then he pulls his picture free, making a large hole in the wall, but knocks all the surrounding photos off onto the floor. There's no time lapse, but when he turns around, the fallen photos have all put themselves neatly back up on the wall, and the hole is gone. (00:32:30)
Mr. Monk and the Billionaire Mugger - S1-E7
Continuity mistake: It's spring in San Francisco in this episode: warm with light rain and people outside in shirtsleeves. That is, until Monk goes to visit Kelly, when it suddenly becomes winter. Everyone's bundled in heavy coats and it's sleeting. After Monk leaves Kelly's house, it becomes spring again. [The Kelly Street sequence was originally meant to be used in "Mr. Monk and the Candidate, " where everyone is dressed appropriately for cold weather. For whatever reason, it instead got used in this episode.]
Mr. Monk and the Missing Granny - S2-E13
Continuity mistake: In this episode Randy is allergic to cats, in fact he has an allergic reaction even if a cat has been there lately but is not there now. But in Mr. Monk and the Sleeping Suspect, during the scene where Monk and the police are investigating the woman's destroyed house, a cat passes within a few feet of Randy, who doesn't sneeze or show any signs of his allergy.
Mr. Monk Is At Your Service - S5-E12
Continuity mistake: At the end, the crime is reconstructed and in flashback, we see and hear the murderer makes his fake 911 call. But his words do not match the 911 tape played earlier in the episode. (00:40:00)
Mr. Monk and the Daredevil - S6-E7
Continuity mistake: At the end, the unconscious Cousin Joey changes positions on the roof. Though no one's touched him, he somehow shifts from lying curled on his side to flat on his back. (00:37:30 - 00:41:35)
Mr. Monk and the Daredevil - S6-E7
Continuity mistake: When Monk is trying to overcome his fears with Natalie and Julie's help, the blue pillow on the couch beside him alternates from lying flat to sitting upright, without being touched, throughout the scene. (00:17:00)
Mr. Monk and the Big Game - S5-E3
Continuity mistake: When the principal walks into her office, where Monk and Natalie are waiting for her, she places an armful of folders on her desk and sorts through them. When the camera shifts to Monk's POV, the folders are back in her arms.
Mr. Monk Goes to Jail - S2-E16
Continuity mistake: When Stottlemeyer and Disher are interviewing Dale the Whale in the bed, in the scene where the fat guy says "Is that a bagel?", Disher's bagel keeps changing size as the camera angle switches, getting bigger and smaller.
Mr. Monk Goes Back to School - S2-E1
Continuity mistake: When Monk is leaving Derek Philby's classroom, he is quite content to just pick up a piece of chalk (with his bare hands) to write on the blackboard, but earlier, he makes sure to use a chalk holder to do this and nearly has a panic attack when he gets chalk dust on himself.
Mr. Monk Goes to the Hospital - S5-E16
Continuity mistake: When Monk, the Captain and Disher talk to Dr. Scott during his cardio test, the doctor's hospital gown is falling off his left shoulder in about half the shots, but is pulled up to his neck in the rest. This alternates several times throughout the scene, though he never touches or adjusts the gown. (00:19:30 - 00:21:30)
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.