Nurse's Wild - S1-E7
Revealing mistake: When Gage and DeSoto are on scene with the unconscious woman and a dog, they break the front window of the house. In the interior shot as DeSoto climbs through the window, there is a white wall beside the window outside, which blocks the view of the "outside." That wall does not exist in the exterior shots. The same thing happens when Gage opens the front door.
Nurse's Wild - S1-E7
Revealing mistake: When John and Roy get back to the station and are discussing the cardiac patient they brought to Rampart earlier, the usually highly reflective passenger spotlight has been sprayed with a dulling spray, to temporarily dull the surface.
Answer: It is standard practice to wet down driveways so that they stand out in a long shot.
stiiggy