When Squad 51 is called to a heart attack in the courthouse, Johnny Gage says that the address given was just a couple blocks away. After that, 51 drives a lot more than two blocks.
The scene in which Copter 10 is shown taking off after having the water tanks filled is a reused scene from the episode "Snakebite".
When Roy and Johnny return from the hospital and join the engine crew while they are eating the pattern of soot on Johnny's face changes.
When Roy and Johnny join the engine crew while they are eating Johnny drinks from Chet's cup. In the two-shot of Johnny and Chet he drinks then puts the cup down with his left hand. In the wide shot of the six of them he is still holding the cup, in his right hand. A later two-shot shows Chet picking up the cup to drink, in the wide shot the cup is still in front of him, in the following two-shot he's drinking.
After the heart attack victim is defibrilated the second time, the scope shows a functional heart rhythm but they do not stop CPR.
Roy incorrectly administered the precordial thump at the court house. Precordial thump may be effective only if used within seconds near the onset of ventricular fibrillation or pulseless ventricular tachycardia, and so should be used only when the arrest is witnessed and monitored.
The patient was already in full arrest and Roy had no way of knowing how long it had been.
When Roy is mixing the eggs for his recipe, he has to stop, when the Squad gets a call. Roy puts the bowl in the freezer, instead of the refrigerator.