Continuity mistake: When Johnny starts chasing Harriet down the street, in Johnny's closeup when he passes the white house (right after the yellow house), there is a light colored wagon-style car parked in the driveway, but in shots from other angles there is a green 2-door parked in that driveway.
Continuity mistake: After Boot shows up for the first time at Station 51, when Chet scares him away, there is a turnout coat and helmet hanging on the hook near the radio receiver base station, but when the dispatcher transmits the tones, the turnout coat and helmet have vanished as Chet turns away.
Continuity mistake: After watching Brice's interview on TV, all the guys sit down at the table to eat dinner, and there is one jar of mustard on the table. When Roy smears mustard on his bun, Chet motions for the mustard with his eyes and Roy slides it over to him to use, but in the next few shots the open jar of mustard is either in front of Roy or Chet, depending on the angle of the shot. The milk container keeps switching places as well.
Continuity mistake: When Roy and Johnny are in the backyard with the couple and the mother-in-law, after Johnny gets off the phone with Brackett, he has the black notebook in his left hand, but in the side shot it's in his right hand, then it returns to Johnny's left hand.
Continuity mistake: During Johnny and Roy's flight to LAX there are a few shots of the airplane in mid-air and when it lands, and the type of airplane changes - note the engines and tail.
Continuity mistake: While on the way to the parade in The Old Engine, when Johnny and Roy deal with the fire rescue and reach the roof, Johnny has a rope bundle swung across from his left shoulder to his right hip. However, in the next shot as they run across the roof, the bundle is now swung from his right shoulder to left hip, and the rope is also bundled differently.
Continuity mistake: When Roy and Johnny get back to the station, Johnny asks Chet about the condition of the house after the fire, and in the wide shot Johnny has a really red pimple near his chin, but in his closeup the pimple has vanished, only to reappear in the next shot.
Continuity mistake: During the house fire, when Chet kicks the door twice he leaves dark marks on the door, but when he kicks the door a third time the marks on the door have vanished.
Continuity mistake: When Dr. Morton leaves the room of the patient who attempted suicide to get Jack, he takes the pill bottle from Dr. Early, carries the medical chart holder, and is wearing a stethoscope around his neck, but in the hallway when he gets Jack the pill bottle and chart holder are gone, and the stethoscope is in his pocket. Then, when they walk back into the room, Morton's holding the bottle and chart holder, and the stethoscope is back around his neck.
It's How You Play the Game - S4-E19
Continuity mistake: When Johnny is in the ambulance with the car salesman that was bitten by the tiger, Johnny opens the man's shirt, but does not remove his western tie scarf. However, in the man's closeup the tie is open with the scarf slide removed, and then it's back to being tied with the slide.
Continuity mistake: When Chet and Marco are hosing the gas meter fire, they are both wearing gloves while handling the hoses. However, after Roy helps Chet up from his stumble, there is a closeup of the hoses and it's a bare hand handling the hose.
Peace Pipe - S2-E5
Continuity mistake: After Roy and Johnny find the source of the fuel oil getting into the water supply, when they pull up behind the van, there are three barricades with flashers. The flasher on the sidewalk barricade flips from one side to the opposite side between shots.
Peace Pipe - S2-E5
Continuity mistake: When Johnny and Roy arrive at the apartment with the woman who can't breathe because of her new girdle, she hangs up the phone receiver with the cord across the base. In following shots the receiver is placed properly, and then the other way again.
Continuity mistake: When Roy and Johnny are driving to the parade in the fixed up old engine, they repeatedly switch between the road's right lane and left lane, depending on the camera angle.
Continuity mistake: When Squad 51 and the ambulance arrive at Rampart with the father and unconscious diabetic son, the type of ambulance that backs up to the ER entrance is a station wagon, but in the interior shot from Rampart the ambulance type is a truck.
Continuity mistake: When Johnny and Roy are treating the officer, while hiding between the bakery truck and car, the sniper fires at them which leaves multiple bullet holes on the side of the truck. However, when Vince talks to the Sergeant on the handie-talkie and then fires the tear gas, all the bullet holes on the truck are gone, but they soon reappear.
Continuity mistake: The window from which the sniper is firing sustains damage with broken glass panes, but then the glass panes are whole and intact, and then they are broken again.
Continuity mistake: Roy and Johnny move a barking dog, who is tied up in front of a hermit's rock-faced cave, and retie the dog to a branch in some bushes, but in following close-ups of the dog he is still tied up at the original spot.
Continuity mistake: When Chet quickly takes off his turnout coat, one of the sleeves is inside out when Johnny uses it on the dog, but then both sleeves are right-side out while he and Roy are trying to subdue the dog.
Continuity mistake: When the boy who ingested ant poison is laid down on the gurney, the safety belt is wound around the gurney's side bar and clasped, but when exiting the house and loaded into the ambulance the safety belt is directly around the boy.
Answer: It is standard practice to wet down driveways so that they stand out in a long shot.
stiiggy