In the later part of season four, some on-location filming was done in San Francisco. Many portions of the episode "Mr. Monk and the Big Reward" were noticeably shot on location, including a climactic chase scene where Monk and Natalie are chased by three bounty hunters."Mr. Monk Goes to San Francisco," Part 3, by Frank Steele Other filming was done in Chinatown, which is shown in the opening of "Mr. Monk Gets Jury Duty", as Stottlemeyer and Disher chase wanted fugitive Miguel Escobar (Carlos Gomez) up Jackson Street. In "Mr. Monk and the Astronaut", some on-location filming was done at Edwards Air Force Base.
