
Visible crew/equipment: During the emergency surgery on the boy who was shot with a pellet gun, the wired microphone that is taped to Brackett's shirt with black tape and hidden under his white coat becomes visible when he puts the gloves on, and during the surgery.

Other mistake: When Johnny and Roy are at the house with the three wild, obnoxious boys who terrorized their sitter, Johnny takes her blood pressure with the cuff, while Roy takes her respiration and pulse as he looks at his wrist for the second-hand countdown, but the problem is that Roy isn't even wearing his watch, and the actor has a bizarre look on his face when he looks at his naked wrist. He then tells Johnny that her pulse is 140 and respiration is 35. When the ambulance attendants arrive, Roy is wearing his watch. If he had his watch he should have used it for the pulse and respiration.

Visible crew/equipment: After Station 51 is dispatched to the back hoe that flipped over trapping the driver, when Roy gets out of Squad 51 upon arrival, the reflections of a crew member and part of the camera are visible on the squad's door.

Visible crew/equipment: When Johnny and Roy walk into the staff lounge, to join Morton, Brice, and the other paramedics for the tape review meeting, the two actors’ T-marks are visible under the table, where he and Roy are standing.

Visible crew/equipment: When the boy who was shot by a pellet gun is wheeled into the treatment room, at the start of the next shot there is a closeup of the domed surgical light fixture, which provides a reflection of crew and equipment, albeit upside-down.
Answer: It is standard practice to wet down driveways so that they stand out in a long shot.
stiiggy