Mr. Monk and the Other Detective - S4-E1
Continuity mistake: The body in the car park (covered with a yellow sheet) moves around from shot to shot. Sometimes it's parallel to the parking bay lines, other times at an angle over them, or at an angle next to them.
Mr. Monk and the Other Detective - S4-E1
Continuity mistake: During Monk's therapy session, Dr. Kroger places his black folder on the arm of his chair. Every time the camera angle changes, the position of his right arm shifts from resting in his lap to lying on top of the folder.
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.
Continuity mistake: When Natalie props the get-well card up on Monk's bureau, it's partially open. The moment the shot cuts to a different angle, it's completely closed. (00:10:15)
Other mistake: During the flashback of the perpetrator beating up the victim with a baseball bat, the shot is visibly spliced and there's a jump cut while he is between swings of the bat. (00:32:50)
Continuity mistake: After DeLancy loosens the tie Stottlemeyer gave him, the position of the knot changes without him touching it.
Mr. Monk Goes to the Office - S4-E4
Continuity mistake: When Monk is trying to join the two cops' conversation about football, in the shots from the side of the police car that they're standing near, the two cops are standing less than a foot apart. In the shots from the other side of the car, they're far apart enough for Monk, Natalie, and Captain Stottlemeyer to stand between them. (00:03:00 - 00:05:00)
Mr. Monk Goes to the Office - S4-E4
Continuity mistake: When Monk and Natalie are talking to Kemp in his office, the desk ornament and the cup of pencils that Monk keeps organizing change positions between shots. In the shots from Monk's side of the desk, the ornament is closer to the door. In the shots from Kemp's side, the pencil cup is closer. (00:09:40 - 00:11:20)
Continuity mistake: Monk and Natalie question the landlady, Sylvia, about the missing guest. Every time the camera angle changes, Sylvia's arms change from being crossed in front of her to hanging loosely at her sides.
Continuity mistake: When Natalie and Al are struggling, the gun lands on the table and there's a basket of corks. Somehow when Al gets the gun, the basket is tipped over and the corks are on the table. But after Monk hits Al, the corks are all back in the basket, which is upright.
Continuity mistake: When Monk and Al are sitting to drink wine, Al grabs his bottle with one hand to pour the wine and the other hand is hanging down to his side. In the next shot, as he's pouring the wine, he's holding the glass with the other hand. In the next shot, his hand is by his side again.
Mr. Monk and Mrs. Monk - S4-E6
Continuity mistake: When the Trudy impersonator is talking to Janice's father in the diner, the venetian blinds on the window to his left alternate between raised and lowered positions as the shots change. (00:06:50)
Mr. Monk and Mrs. Monk - S4-E6
Continuity mistake: When "Trudy" walks into the coffee shop, Natalie flips the picture over onto the counter. In the next shot, she's holding it against her body. It's back on the counter the next shot.
Mr. Monk and Little Monk - S4-E8
Other mistake: The camera, although it is supposed to be stationary, is visibly shaking during the shot of Monk and the woman discussing the painting. (00:23:45)
Mr. Monk and Little Monk - S4-E8
Factual error: In the flashback where Monk is explaining how the money was stolen, the principal finds the 5 dollar bill he wrote "good luck" on and holds it up for everyone to see. The bill he holds is a 5 dollar bill which was released in 2000, with the enlarged Lincoln. The flashback takes place in 1972.
Mr. Monk and Little Monk - S4-E8
Factual error: When Monk is talking to Sherry about the painting in the art gallery where the painted woman was going to kill her husband, he says that she has a bruise on her left eye. But the bruise is actually on her right eye. While it is viewable that it is on Monk's left, he would not make that mistake.
Mr. Monk and Little Monk - S4-E8
Continuity mistake: In the flashback scene of the kids in the school hallway, the autographed photo of Patty Duke disappears and reappears twice on the inside of Little Monk's locker door as the camera angles change.
Mr. Monk and Little Monk - S4-E8
Continuity mistake: When the kids are standing in front of the lockers, one of them is holding Monk's clarinet. The position of the instrument in his hand keeps changing between shots, from bell-up to bell-down, then bell-up again.
Mr. Monk and Little Monk - S4-E8
Continuity mistake: After the principal takes the stolen money, he shows the $5 bill he wrote on. But in the close up, the bill changes and so do the way the fingers are positioned.
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.