Mr. Monk and the Red-Headed Stranger - S1-E12
Continuity mistake: In the closing scene with Willie Nelson, there are a few times when the clarinet music changes notes, yet Monk's fingers do not move. There is also one point where Monk takes a breath mid-note.
Mr. Monk and the Red-Headed Stranger - S1-E12
Continuity mistake: In the scene where Willie Nelson is rehearsing, his pigtails change position depending on the shot.
Mr. Monk and the Red-Headed Stranger - S1-E12
Continuity mistake: Before meeting Willie Nelson on his tour bus, Monk is outside the radio station. When a car comes past the shot shows from inside the car and we see Monk putting his right hand up to his forehead and touching it. In the next shot his hand is now further down his face and is not touching it anymore.
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.