After Stottlemeyer writes "REVENGE" on the board, it changes between shots to say either "REGENGE" or "REVENGE" as can clearly be seen behind him.
When Leyla comes to visit Monk, she is offered a seat on a couch with two striped brown pillows. But when she first sits down, the stripes on the left pillow are vertical and horizontal on the right pillow. The shot changes to Monk, and then back to Leyla, and now both striped pillows are vertical. The position of the pillows changes several times in the scene.
When Mr. Monk and Leyla are in the restaurant talking about the song, their hands/arms significantly change position from shot to shot.
When the detectives hand Leyla's personal effects and confession to Mr. Monk, he holds the confession in his right hand and the bag of personal effects in his left hand. As the two detectives walk away, the items have switched hands, only to switch back in the next shot.
After the cook has finished preparing the food at the table, his metal turner switches hands between shots.
When Stottlemeyer is writing notes on the whiteboard, many of the shots show the word "Female" written without its letter A; others show it spelled correctly.
It is spelled correctly in every shot. However, the "M" was sometimes written differently, running into the "A" making it look like the "A" was not there, but it was.
It is spelled correctly in every shot. However, the "M" was sometimes written differently, running into the "A" making it look like the "A" was not there, but it was.
When Lt. Disher and his girlfriend get into the back seat of the taxi in the opening scenes, the taxi driver, although dead, can be seen to be breathing, albeit shallowly and in one instance, actually swallows.
When Monk and Leyla are walking down the street, the lamp posts wobble when Monk touches them. This type of post doesn't wobble as they are solid cast metal - especially in San Francisco.
The last name of Leyla Zlatavich's mother, Janka, is misspelled in the letter she sends to Leyla.