Mr. Monk Gets Married - S2-E15
Deliberate mistake: Joshua Skinner hid a fortune in gold by melting it down, mixing it with ink and writing it into 947 journals. Monk's producer concedes that in real life, 947 journals would probably hold "only about $11 worth" of gold-laced ink. But the idea was so amusing that he couldn't resist using it anyway. (00:42:00)
Mr. Monk Gets Married - S2-E15
Factual error: Disher gets the armoire open and recoils from the smell of the dead body inside, despite it being wrapped in plastic. But he somehow didn't smell it before getting the door open, despite it providing hardly any protection from a smell like that.
Mr. Monk Gets Married - S2-E15
Character mistake: Monk says West Virginia became a state after the Civil War, West Virginia actually became a state in 1863, during the Civil War.
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 Gets Married - S2-E15
Continuity mistake: In Dalton's antique store, in the close of the forged map, the "sold" tag is covering part of the state names (mainly the West in West Virginia) and part of the picture. In the wide shot, the tag is now in the corner and not covering anything.
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.