Continuity mistake: While Charlie is finishing up on the squad's engine, Captain Stanley hands Johnny the address in the canyon that has overgrown weeds, and when Johnny packs up the toolbox, Charlie holds out the roll of electrical tape and the combination wrench, with its open-end up. However, in the next shot the only thing Charlie holds out is the wrench, but with its box-end up.
Continuity mistake: When Roy and Johnny get to the address in the canyon that has overgrown weeds and shrubs, in violation of county ordinance, Johnny is empty-handed when they knock on the front door, but when they're told to come in Johnny is now holding the large fire-code violation ticket booklet.
Continuity mistake: After Station 51 is dispatched to Oceanland Park, when the engine and squad drive through the parking lot and pull up in front of the sky-tower, the entire left side of the lot is completely empty, but in the overhead shot as they head to the top of the sky-tower for the rescue, that side of the lot is filled with buses, cars, and other vehicles.
Continuity mistake: When Station 51 is dispatched to Oceanland Park, when the engine and squad arrive on scene at the sky-tower, Engine 51's hosebed is suddenly entirely covered with green canvas.
Continuity mistake: When Charlie notices the scrapes on Squad 51's tire and complains that its drivers are messing with the squad's alignment, note that the scrapes' positions change twice, which means that the tire has rotated, even though the squad has not moved since the start of the scene when Chet walked over.
Continuity mistake: After Charlie checks the squad's engine, and replaces the adhesive bandage on the wire with proper tape, Charlie places the tape roll back into the tool box, but when John collects the rest of the tools lying around, Charlie gives him the role of tape, which is out again.
Answer: It is standard practice to wet down driveways so that they stand out in a long shot.
stiiggy