Continuity: At the end, the unconscious Cousin Joey changes positions on the roof. Though no one's touched him, he somehow shifts from lying curled on his side to flat on his back.

Continuity: Monk drops the harmonica onto the coffee table, and it lands in a horizontal position. Monk doesn't touch it again, but it moves to a diagonal orientation and then back to a horizontal one between takes.

Continuity: When Monk is trying to overcome his fears with Natalie and Julie's help, the blue pillow on the couch beside him alternates from lying flat to sitting upright, without being touched, throughout the scene.

Revealing: When Monk, Natalie, and Joey are fighting on the roof, the end of the metal pipe in Joey's hand wobbles around a lot, as if the pipe is made of rubber.