Continuity mistake: On the airplane, when Roy asks Johnny if he knows the flight attendant's name yet, the headset is around Roy's neck, but in the closeup it vanishes, then next shot it reappears again.
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: When transporting the heart attack victim from the plane the ambulance starts as a Ford and ends as a Chevy.
Continuity mistake: Marco's mustache goes missing when Station 51 is dispatched to the structure fire, but then it reappears.
Continuity mistake: When Dixie shows Johnny the newspaper, Johnny reads the ad aloud which states, "Wanted, 1925 Paige fire truck, $25,000, if in mint condition," and Johnny says that it is exactly what the ad submitter wants. The "it" being Roy and Johnny's refurbished fire truck. The problem is that in 3x2, "The Old Engine," when Johnny and Roy are telling Chet and Marco about their purchase, Johnny says that it's a 1932 Dennis, and when they're looking it over, the blue "Dennis" emblem is attached to the hood of the engine.
Continuity mistake: While Roy and John are still aboard the Coast Guard helicopter during the cliff rescue at Catalina Island, when the chopper's on scene, in the overhead shot from inside the chopper, we can see where the victim is lying on the rocks, however, in the next shot from ground level, the victim is now lying on the other side of the jutting rock.
Continuity mistake: When Squad 51 arrives at the training center, Johnny's turnout coat is open and we see that he's only wearing an undershirt, but when it's 18's turn at the sulfur trioxide, as Johnny's putting on his air mask he's wearing the blue uniform shirt under his turnout.
Continuity mistake: During the actual rescue at Catalina Island, Johnny and Roy are now wearing water-type shoes, not their uniform shoes.
Continuity mistake: After bringing the man who choked on a beer can's pull tab to Rampart, when Squad 51 returns to the station and backs up the driveway, the engine seen parked in the apparatus bay is the Crown from seasons 1 and 2, not their current Ward LaFrance engine.
Continuity mistake: After examining Tommy, when Brackett speaks to Mrs. Lawson, the boy's mother, her handbag is hanging off her shoulder in all the shots facing Brackett, but in all the shots facing Mrs. Lawson the bag is gone.
Continuity mistake: When Chet is brought into the ER after being thrown in the explosion, Johnny is empty handed, but when he leaves treatment 1 with Dix, the HT is suddenly inexplicably in his hands.
Continuity mistake: While Early, Morton, and Dixie are examining the young boy who fell, Early's wearing a gold ring (wedding band in real life) on his left hand's ring finger, but when Dixie finds the tick she asks Early to have a look, and in the closeup of the boy's head, Early's gold ring has vanished.
Continuity mistake: When Engine 8 is dispatched to "man unconscious at construction site," we see Engine 8 going past Curson Ave, then the next shot Engine 8 is driving up from the other direction of Curson Ave and passes it going the other way. Neither are flipped shots. Other than seeing the sign for Curson Ave, other giveaways are the same signs or parked vehicles.
Continuity mistake: During this episode Brackett is wearing a tie with white, light blue, and dark blue broad stripes, which should be tied in an identical manner in consecutive shots, but it's not. One example is when Brackett examines the tree surgeon, but when he waits in the hall with Morton and Dixie while Malcolm takes x-rays, Brackett's tie is tied differently, and when he walks back into the room the tie reverts back.
Continuity mistake: When Roy's injured during the warehouse fire and is carried out, in the closeup he and Johnny are not wearing their turnouts, but in the next wide shot Johnny's suddenly wearing his turnout again as he contacts Rampart via Biophone.
Continuity mistake: After Roy finds Willy, when he calls Captain Stanley to help get Willy out, Roy's on Willy's left and Captain Stanley's on his right as they rush out, but in the next shot they've switched, Captain Stanley is now on Willy's left and Roy's on his right, just before the explosion.
Continuity mistake: It's Squad 39 at the construction site with the cardiac victim, but en route to Rampart we see Squad 51 following the ambulance.
Continuity mistake: During the warehouse fire, Johnny removes his turnout when Captain Stanley calls for the ambulance, then when the ambulance arrives John's wearing the turnout and one burn victim has the sheet over him, but then the turnout and sheet vanish, and as the ambulance attendants bring the stretcher, Johnny places the sheet on the victim, and in the overhead shot as Cap is told about Willy, Johnny's wearing his turnout again. The Biophone also keeps jumping from being beside Squad 51 to being between the victims.
Continuity mistake: When Johnny is doing overtime with Engine 8, dispatch sends the two guys of Squad 8 on an unknown type rescue and they leave Station 8, but when Johnny and Captain Stone walk back into the kitchen, Squad 8 is still parked in the apparatus bay.
Continuity mistake: When Johnny and Roy are with the heart transplant patient who is having chest pains, after they contact Rampart, in the wide shots Johnny has the stethoscope around his neck, but in his closeups the stethoscope is gone.
Answer: It is standard practice to wet down driveways so that they stand out in a long shot.
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