Mr. Monk Is On The Air - S5-E13
Continuity mistake: When Monk and Natalie are getting out of their car at Max Hudson's house, there is a woman on the sidewalk walking past the house. As soon as Monk asks, "What station is he on?" the camera angle changes to a view from Max's porch, and said woman suddenly disappears, when she should be seen walking across the driveway. (00:07:55)
Mr. Monk Is On The Air - S5-E13
Continuity mistake: As the murderer is arrested at the end, the collar of his jacket changes from turned up in back to turned down, etc., several times between takes. (00:39:30)
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.