Mr. Monk Goes to the Bank - S6-E12
Continuity mistake: One of the large safety deposit box doors is standing wide open when Monk is curled up in the vault's corner. But when the camera angle changes, the door has closed itself. (00:30:45)
Mr. Monk Goes to the Bank - S6-E12
Continuity mistake: The living statue street performer holds a water bottle in his left hand while Randy questions him. When his alarm goes off and the shot cuts, the bottle jumps to his right hand. (00:08:15)
Mr. Monk Goes to the Bank - S6-E12
Continuity mistake: When Monk is trying to convince the old woman to use the other pen so the ink in them will be even, in the shots from behind him, the pen's chain is hanging down below the counter. In the shots from in front of him, the chain is pulled taught. (00:23:45 - 00:24:15)
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.