Mr. Monk and the Panic Room - S3-E2
Continuity mistake: When Monk gets a glass out of the cupboard, he closes the door. When he picks up the phone, the door is open.
Mr. Monk and the Panic Room - S3-E2
Continuity mistake: When Monk and the Captain are in the recording studio room, the candles next to the framed pictures are lit. When Monk walks past them, they're unlit. They're lit again in the next shot.
Mr. Monk Goes to Jail - S2-E16
Continuity mistake: When Monk and Sharona talk to Sylvia in the prison library the second time, the books on her desk change in various shots. At first, you see 3 piles of books, all with blue books on top. In the next shot the blue book closest to her is gone. In the next shot, she's straightening a red book next to her, but it goes back to being crooked.
Mr. Monk and the Very, Very Old Man - S2-E5
Continuity mistake: When the Captain is eating his sandwich while talking to Monk, the position of the sandwich and amount eaten keeps changing. He'll have it in his hand, but in the next shot it's on the plate. And you see him take a 2nd bite, but later only 1 bite has been taken.
Mr. Monk Takes a Vacation - S1-E10
Continuity mistake: When Monk is talking to Benjy, he buttons up the top two buttons on his shirt, but in the next shot of him they're undone, and he's re-buttoning them.
Mr. Monk and the Billionaire Mugger - S1-E7
Continuity mistake: When Stottlemeyer pulls his gun on Mr. Modine, the safety is off and the gun is cocked, but in the next shot it's not cocked and the safety is on. Then we see the safety off, but not cocked.
Mr. Monk and the Miracle - S7-E9
Continuity mistake: When Natalie enters Monk kitchen with a bag of groceries, from one angle the bag is on top of the cutting board. In the side angle she is removing items from the bag on the counter. (00:17:57)
Mr. Monk and the Captain's Marriage - S4-E12
Continuity mistake: While at the crime scene in the junkyard, Monk is trying to explain things, but is unable to concentrate because one of the stacked junked cars still has a headlight in it. Frustrated, the Captain shoots the light out so Monk can continue, but as the screen pulls back the headlight is still unbroken in the car.
Mr. Monk and the Candidate (1) - S1-E1
Continuity mistake: When Mrs. St. Claire refers Mr. Monk as "Rain man", her glass is about an inch and a half full. Next time we see her the level of liquid has dropped. (00:16:45)
Continuity mistake: In the flashbacks of Sharona's uncle's fall, he's lying perpendicular to the steps, but in the photos of the incident we saw earlier, he was lying in line with them. In fact in the last flashback showing the murder his position changes again, turning from a 90 degree angle to be more like 45.
Mr. Monk and the Class Reunion - S5-E6
Continuity mistake: During the touch football game, when Natalie first throws the ball to Monk, he catches it and a guy in a blue T-shirt and jeans is running up behind him. Angle switches as Monk twists out of the way, and it's a different guy wearing black shorts instead. A few cuts later and Monk runs past the same guy in black shorts again.
Mr. Monk Gets Married - S2-E15
Continuity mistake: In the room with the memoirs, Monk turns around and reaches towards a few slightly misaligned books to take one and read it. In the closeup, it's a neatly stacked shelf.
Mr. Monk and the Missing Granny - S2-E13
Continuity mistake: Monk identifies the kidnappers' house by the pizza box outside by the bin. In the wide shot it's upside down on its corner, with "zza" just visible behind a black bag. In the closeup it's turned around, so we can see more letters, and it's moved.
Mr. Monk and the Paperboy - S2-E10
Continuity mistake: Stottlemeyer says "does that make any sense to you?" as Monk is straightening the pots on the mantelpiece - all the lid handles are horizontal. The camera cuts away for a second, cuts back, and the lid on the far right has suddenly rotated 90°, whereupon Monk straightens it to be horizontal like the others.
Mr. Monk and the Girl Who Cried Wolf - S3-E6
Continuity mistake: When Meredith's husband has his heart attack, his head falls into the soup bowl. However, in one shot the bowl (with his head in it) is tilted; after a cut, it is suddenly flat on the plate.
Mr. Monk Makes A Friend - S5-E11
Continuity mistake: The position of Gail's body moves at the crime scene from when officers cover her head with the tarp to when the Captain uncovers her a few moments later. At first, her left hand is under her forehead and covered by her hair, but then the hand is away from her head and not covered by hair.
Mr. Monk and the Other Detective - S4-E1
Continuity mistake: When the reporter is interviewing Marty's mom at the crime scene, the reporter lifts the mic to her mouth, but in the next shot the mic is away from her mouth.
Mr. Monk and His Biggest Fan - S6-E1
Continuity mistake: When the Captain is approaching the killer, a piece of wood is protruding from the cart. After a cut, that wood suddenly disappears. The cart has also inexplicably shifted to be much closer to the killer. (00:40:00)
Mr. Monk Falls In Love - S7-E6
Continuity mistake: The woman sitting and waiting, in the red with a green scarf, is sitting without anyone to the right of her. After a cut, suddenly a man appears sitting next to her on the right. (00:06:45)
Continuity mistake: The Captain hits the murderer at the end with his left hand. In the next shot of the Captain he is shaking his right hand as though that is the hand he used to hit the murderer.
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.