Mr. Monk and the Birds and the Bees - S6-E5
Continuity mistake: In the mausoleum, the bald man asks Monk and Natalie what happened to the cremation urn name cards, and bends to pick one of them up from the floor. There are no cards on the table when he does this, but in the next shot, four cards have appeared on the table out of nowhere. A short time later, they've all disappeared again. (00:18:45 - 00:20:15)
Mr. Monk and the Birds and the Bees - S6-E5
Continuity mistake: The shape of the first ring Randy draws on the TV screen changes from an oval to a circle and then back to an oval between takes. (00:30:50)
Mr. Monk and the Birds and the Bees - S6-E5
Other mistake: Monk wasn't afraid of heights, as he climbed on a chair to unscrew a vent.
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.