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.
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.