Continuity mistake: When Roy and Johnny walk into the courtroom, Johnny and the young lawyer kneel down beside the patient's right side, but in the patient's closeup Johnny's kneeling on the opposite side of the resuscitator, near the patient's head, where Johnny will walk to a few shots later, when that young lawyer will once again walk over and kneel down.
Heavyweight - S3-E5
Continuity mistake: When the little boy who received an electric shock is brought into the ER, in the shot from the hallway he's taken into treatment 4, which is beside the nurses' station, but in the next shot from inside the room, we can see treatment 2 on the opposite side of the hallway, which is next door to treatment 4. This means they're actually in treatment 1, not 4.
Propinquity - S3-E20
Continuity mistake: The cut that Roy receives over his eyebrow during the traffic accident changes characteristics, such as when he and John are at the poker game, it looks considerably better in following shots, then it looks much worse again.
Continuity mistake: When Deke comes into the ER with the two burned firemen and speaks to John and Roy, the window behind them is on the same side as the ER's receiving entrance. Notice that outside the window there's one of those blue metal shades at the top, which does not exist in the exterior shots of that side of the ER.
How Green Was My Thumb? - S3-E17
Continuity mistake: When Roy and John are with the man who has a live grenade in his belly, they're given flak vests. During this scene frayed material on the long horizontal seams, both at the front and on the back of John's vest, suddenly appears, disappears, reappears and disappears again.
Inventions - S3-E22
Continuity mistake: When Chet's wearing his suction cup shoes, John uses the hose to wet the area around Chet's shoes, and then places the hose down on the ground, but in the shot from inside the van John's still holding that hose.
Propinquity - S3-E20
Continuity mistake: Just before the ambulance Roy is riding in is involved in the collision, we see a crowd of people at the corner near the stop sign, but in the next shot they've all vanished, only to reappear just as the vehicles collide.
Propinquity - S3-E20
Continuity mistake: After they load the woman from the wrecked car into the ambulance, Roy and an ambulance attendant are riding in the back with her. In the shots of the moving ambulance, until it's involved in the traffic accident, we should be able to see Roy and the attendant through the windows, but they're simply not there.
Continuity mistake: Before Old Bill wakes up, Brackett, Morton, and Early are talking in the hallway outside Bill's room, and the hallway is a big, wide open space. After Bill wakes up, Dixie goes out to the hallway to get Brackett, and when they walk into Bill's room we can see the hallway behind them, and it's a fraction of the size it was before, only about 4-5 feet wide now.
Continuity mistake: After bringing Old Bill to the ER, when Squad 51 gets back to the station, in the shot of the squad driving backwards toward the driveway, the engine we see parked in the apparatus bay is the Crown from the first two seasons, not their current Ward LaFrance.
Continuity mistake: When Station 51 is dispatched to 'man down', Cindy and her mother are standing in front of the rear bay door, but they vanish in the next shot as the guys get ready to leave.
Visible crew/equipment: After Station 51 responds to the unknown type rescue, Engine 51 leaves on another run, but when Johnny and Roy go into the house with the wife of the man who lost his voice temporarily due to the dieffenbachia plant, the bulging outline of the lavalier mic transmitter and wire are visible on the back of her white robe.
Continuity mistake: When Brackett's examining the teenager (Donny Most) with paralysis Morton's standing beside him, but in the next shot as Dixie takes the teen's BP, we see Morton standing behind the teen with the student nurse, then Morton's back beside Brackett.
Audio problem: After Johnny gets out of the elevator, Johnny sees a crowd around the treatment room, so Roy tells him that they're interviewing the bank guard who was shot, and when we hear Roy ask, "How'd you make out with the girl from orthopedics," his mouth is saying something different.
Visible crew/equipment: At the horse ranch, after the man falls off the horse John and Roy rush over, and as Johnny leans over him the bulging outline of the lav mic transmitter is visible on the back of Johnny's jacket.
Continuity mistake: After bringing in the atropine overdoses from the daffodil bulbs, in the shot from inside the treatment room when Roy and John leave treatment 3, which is opposite the nurses' station, they turn left to head towards receiving, but next shot they're walking from around the corner in the hallway, then pass that door they just left from.
Audio problem: After John starts telling Roy about how he and Barbara went to a movie, when Squad 51 is dispatched to 'man unconscious at Observation Park', we see a closeup of Roy in the squad as he puts the gearshift into drive, and then we hear the audio of the ignition being turned on.
Continuity mistake: After Roy tells Johnny to call Barbara, while they're standing by the telephone in the kitchen, Squad 51 is dispatched to 'man unconscious at Observation Park', and when the squad rolls out of the apparatus bay, the engine we see parked in the bay is the Crown from the first two seasons, not the current Ward LaFrance.
Continuity mistake: When the parathion victim is brought into the ER, they go into treatment 2, but in the view from inside the treatment room when John opens the door to leave, we can see that he's actually on the opposite side of the hall facing treatment 2, which means he's in treatment 1.
Continuity mistake: At the start of the episode, when Roy and John are going through inventory in the trauma and drug boxes, there are three rolls on the trauma box lid and John takes two of them leaving only one, but it cuts to another angle and now there are two on the lid.
Answer: It is standard practice to wet down driveways so that they stand out in a long shot.
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