When the alarm sounds for the "Unknown Rescue" they are standing at the back of the squad, the next frame shows them exiting kitchen/dining room.
When the Wheeler boy is being transferred from home to the hospital, Mrs. Wheeler follows the gurney out the door, while Gage and DeSoto put away their instruments. When the camera cuts to the front door, Gage is following the gurney, and Mrs. Wheeler follows Gage.
When the ambulance transporting the boy who swallowed rat poison to the hospital, two different ambulances are shown.
We are told that Dieffenbachia sap has no ill effects other than loss of voice. This is incorrect as the sap can also cause irritation and swelling of the tongue and throat that may lead to suffocation. Contact with the eye may cause conjunctivitis or "pink eye". The juice of this plant also contains strychnine.
When Station 51 is called out to the "Unknown Rescue" call, Mike Stoker checks the map for directions before the dispatcher finishes giving them the address of the call over the radio.
The station responds to a "Unknown Type Rescue" call to find a man who has been silenced by his wife who laced his medication with Dieffenbachia sap and caused him to lose his voice. The wife thinks what she did is quite funny. However, if there was no one else in the house and the husband lost his voice, who made the call to the fire department?